A conformal coating that's thin enough to spray evenly over a populated PCB and one that's thick enough to bridge a seam without running are solving opposite application problems, even though both end up protecting the same kind of electronic assembly. Incure's Pyra-Sil™ silicone conformal coating line spans that range across five grades, split primarily by viscosity and hardness, with one grade breaking from the rest on cure method entirely. Four Room-Temperature Grades Span a Wide Viscosity and Hardness Range Pyra-Sil™ 864, 872, 872F, and 880 are all one-part, room-temperature-cure conformal coatings for sealing, potting, seam-filling, and encapsulation on metals and plastics, but they sit at different points on the viscosity and hardness spectrum. 864 is thin at 400–600 cP and the hardest of the four at Shore A20–A30, with the fastest surface cure in the line — 5 minutes at room temperature, or 25 seconds accelerated at 150°C. 880 is similarly thin at 800–1,200 cP but the softest grade in the entire line at Shore A8–A13, tacking free in 15 minutes. 872 and 872F share the same Shore A12–A18 hardness and sit at the thick end of the spectrum — 872F at 5,000–9,000 cP, 872 thicker still at 8,000–12,000 cP — and the two are effectively the same base formulation with one added capability: 872F fluoresces under blacklight for coverage inspection and cures tack-free faster, in 10 minutes against 872's 15, while otherwise sharing the same mechanical profile. That fluorescing-versus-standard pairing is worth checking for by name rather than assumed, since not every grade in the line carries an "F" variant — 864 and 880 don't offer a fluorescing counterpart, so a line that wants blacklight-verifiable coverage at those two grades' specific viscosity or hardness points doesn't have a direct drop-in option within this family. 890 Trades Room-Temperature Convenience for a Fast Oven Cure Pyra-Sil™ 890 breaks from the other four on cure mechanism entirely: a one-part, 100%-solids coating that cures exclusively by heat, fully curing in just 20 minutes at 130°C rather than offering a room-temperature path at all. It's also the thinnest grade in the line by a wide margin at 100–125 cP, and it fluoresces under blacklight the same way 872F does. That combination — very low viscosity plus a fast, complete oven cure — makes 890 the grade to reach for on a production line that already has oven capacity and wants a short, predictable cure cycle rather than a 24-hour room-temperature wait, at the cost of needing that oven step in the first place. Where 864 only offers an accelerated cure as an option alongside its room-temperature path, 890 has no room-temperature path at all — a distinction worth confirming before specifying it on a line that can't reliably hold parts at 130°C, since there's no fallback cure schedule to fall back on if oven capacity is temporarily unavailable. Email Us with your coverage requirement, whether the line has oven capacity, and whether coverage needs blacklight verification, and Incure's engineers can confirm which Pyra-Sil™…

Room-temperature-cure silicone covers everything from a deep electronics potting compound to a near-gel cushion built to absorb shock rather than resist it — the shared "cures without an oven" trait says nothing about which mechanical job a given grade is actually built for. Incure's Pyra-Sil™ RTV silicone line spans that range across five grades, and matching one to a job means starting with function, not just working time or viscosity. 621 Is Built for Deep-Section Electronics Potting Pyra-Sil™ 621 is a two-part (100:5 mix ratio) room-temperature-cure silicone formulated specifically for deep-section potting and encapsulation, protecting electronic components against thermal stress, vibration, and moisture ingress. Its 45-minute working time is the longest in the line by a wide margin, giving an operator real time to fill a deep cavity before the material starts to set — a genuine requirement on deep pours where a shorter pot life would risk the material skinning over before the cavity is fully filled. It's also the hardest grade in the line at Shore A45–A55 and carries the highest tensile strength at 375 PSI, reflecting that 621 is chosen where the potted assembly needs real mechanical protection, not just a soft cushioning fill. Applied by manual mixing or static-mix dispensing, it holds the same broad -45°C to 260°C service range shared across most of the line, so the deciding factor between 621 and the general-purpose grades below it is almost always working time and mechanical protection rather than temperature tolerance. 873 and 892 Both Handle General Sealing and Gap-Filling, Split by Cure Speed Pyra-Sil™ 873 is a moldable, self-leveling silicone gel for sealing, potting, seam-filling, and encapsulation on metals, plastics, and glass, curing fully in 180 minutes at room temperature or accelerated to 15 minutes at 150°C where oven capacity is available. Pyra-Sil™ 892 covers similar ground — deep sealing, seam-filling, encapsulation, form-in-place gaskets, and potting — but with a genuinely faster process: just a 3-minute working time and a full cure in 15 minutes to an hour, the fastest room-temperature cure path in the entire line. The two also differ in viscosity structure: 873 is a thin, self-leveling 800–1,200 cP single-stream material, while 892 is dispensed as two separately metered components — Part A at 18,000–26,000 cP and Part B at 6,000–10,000 cP — through a static mix system, a setup suited to production lines already running static-mix dispensing equipment rather than manual pour-and-level application. Both bond to metals and plastics, and 873 additionally bonds to glass, worth checking directly if a job spans all three substrate types on the same assembly rather than assuming either grade covers glass by default. Email Us with your substrate, working-time requirement, and whether the joint needs to seal, pot, bond, or absorb shock, and Incure's engineers can confirm which Pyra-Sil™ RTV grade actually fits. 874 Is the Specialist for Plastics Most Adhesives Can't Bond Pyra-Sil™ 874 solves a different problem entirely: bonding and sealing plastics that are notoriously difficult to adhere to, including polyethylene, polypropylene, and thermoplastic elastomers.…

A peelable coating that's meant to protect a PCBA for years and one that's meant to mask a part through a single sandblasting pass both peel off cleanly when the job is done — but treating them as the same product means specifying a disposable process mask for a job that needed a genuine functional conformal coating, or the reverse. Incure's Pyra-Sil™ peelable silicone line covers both jobs across four one-part grades, split by whether the coating is meant to stay on or come off on purpose almost immediately. 891 and 906 Are Functional Conformal Coatings, Not Temporary Masks Pyra-Sil™ 891 is a room-temperature-cure, self-leveling coating built for sealing, potting, seam-filling, and encapsulation — genuine conformal-coating jobs, not disposable masking. It cures tack-free in 8 minutes and fully cures in 24 hours at 25°C, covering a wide -45°C to 260°C service range at a thin, self-leveling 800–1,200 cP viscosity. Pyra-Sil™ 906 takes a different path to the same functional-coating role: a low-viscosity 200–300 cP formulation that heat-cures in just 20 minutes at 130°C rather than relying on ambient cure, built specifically as a tough, durable PCBA coating over a -65°C to 200°C range. Both fluoresce under blacklight for coverage inspection and both peel cleanly from metals and plastics if rework is ever needed — the peelability is a rework convenience on these two grades, not the primary reason they exist. Both are also compatible with manual brushing and high-volume automated dispensing, so the choice between them comes down to service temperature and cure equipment rather than application method: 891's broader -45°C to 260°C range and ambient cure suit a line without oven capacity, while 906's tighter -65°C to 200°C range and fast 130°C bake suit a line that already has one and wants the shorter cycle time. 894 and 899 Are Disposable Process Masks, Split by Viscosity Pyra-Sil™ 894 and 899 exist for a genuinely different job: temporary protection during sandblasting, machining, and plating operations, where the coating's entire purpose is to come off cleanly once the process step is finished. Both are one-part, self-leveling, moisture-cure coatings with a pot life under 8 minutes, tack-free in 15 minutes, and a full cure of 72 hours at room temperature — a slower full cure than 891's despite a similar initial tack-free window, reflecting that these two grades are optimized for masking durability through a process step rather than fast turnaround to final cure. The two differ by viscosity and hardness: 894 runs 35,000–45,000 cP at Shore A15–A25, while 899 is noticeably thicker at 65,000–95,000 cP and harder at Shore A25–A35 — the thicker, harder 899 is the more resilient choice for more aggressive abrasive processes, while 894's lighter consistency suits finer surface detail where a heavier mask might obscure features that need to stay accessible. Both share 891's same -45°C to 260°C service range, though their tensile strength runs lower at 120 PSI against 891's 220 PSI — a reminder that it's worth confirming spec numbers directly rather than assuming a…

A reflective lamp coating has to survive the same intense heat and UV exposure the lamp itself generates, and it has to bond to whatever surface actually sits underneath it — bare glass, a pre-existing coating, or a completely different lamp chemistry. Incure's Epo-Weld™ ultra high temperature coating line covers that narrow but demanding niche with three silicone-based grades, each matched to a specific substrate condition rather than treated as one interchangeable reflective finish. Two Silver Grades Split by What's Already on the Substrate UHTC-466 and UHTC-475 are both silver, aluminum-filled silicone coatings rated to 1020°F, but they solve opposite adhesion problems. UHTC-466 is formulated specifically to go over black top-coated automotive headlamps — its chemistry is optimized for bonding to an already-coated surface without lifting or cracking the layer underneath, which is a genuinely different adhesion challenge than bonding to bare material, since the coating has to key into another cured coating rather than a raw substrate. It also holds up against moisture, road salts, and repeated thermal cycling, the specific combination an automotive headlamp assembly sees over years of road exposure. UHTC-475 does the reverse: a single-coat solution engineered for direct application to uncoated glass, replacing a multi-step coating process on halogen and HID lamp capsules with one application, while resisting the same moisture and thermal shock plus sustained UV exposure a lamp capsule sees at close range during operation. The two also differ in viscosity — UHTC-466 runs 250–500 cP for headlamp assembly coating, while UHTC-475 is thinner at 100–300 cP, suited to the smaller, more contoured surface of an individual lamp capsule rather than a full headlamp housing. UHTC-484 Serves a Different Lighting Category Entirely UHTC-484 breaks from the automotive-headlamp focus of the other two grades: a white, silicone-based reflective coating built for mercury vapor lamps and other high-intensity discharge lighting, rated to 1200°F — a full 180°F higher than the silver pair, reflecting the more extreme thermal and UV load these lamp types generate in continuous operation. Where UHTC-466 and UHTC-475 are chosen for automotive-grade heat resistance and cosmetic finish, UHTC-484 is chosen specifically to resist yellowing and cracking under the intense UV and thermal radiation of stadium lighting and industrial arc lamps, where a coating optimized for headlamp service temperatures would degrade well before its rated service life. Its reflective white finish also serves a functional purpose beyond appearance — improving light output by directing radiant energy that would otherwise be absorbed by a darker or less reflective surface back through the lamp, the same principle behind the reflective grades in the silver pair, just tuned to survive the higher heat and UV load of discharge lighting rather than automotive service. It also resists humidity and chemical pollutants, relevant for stadium and industrial arc lamp installations that stay outdoors or in a harsh plant environment far longer than the average automotive headlamp's service life. Email Us with your lamp type, substrate condition, and service temperature, and Incure's engineers can confirm which Epo-Weld™ ultra high…

Replacing a solder joint with an adhesive only works if the adhesive actually conducts current through the bond line — a thermally conductive epoxy that stays electrically insulating solves a completely different problem. Incure's Epo-Weld™ thermally and electrically conductive line covers that specific requirement with two metal-filled grades, and the choice between them comes down to whether the joint needs cost-effective structural conductivity or the lowest possible contact resistance. Both are two-part epoxies rather than single-component pastes, and both replace solder specifically where a soldering iron's heat, flux residue, or the joint's own dissimilar-metal pairing would create more problems than the solder solves. Two Filler Metals, Two Different Priorities TEC-9015 uses nickel filler to deliver stable electrical conductivity and magnetic shielding at a lower material cost than silver, positioned as the practical choice for structural electrical joints, shielding gasket bonding, and grounding strap attachment. At Shore D73–D83 hardness, 11,200 PSI flexural strength, and 2,600 PSI tensile shear, it carries real structural load in addition to conducting current — a genuine adhesive replacement for mechanical clips or solder joints on shielding gaskets, not just a conductive filler. TEC-9017 swaps in pure silver filler instead, trading cost for genuinely lower contact resistance and better long-term conductivity stability, since silver resists the oxidation that can gradually degrade a nickel-filled joint's conductivity over years of service. Its mechanical profile shifts accordingly: 16,000 PSI flexural strength is higher than TEC-9015's, but tensile shear drops to 1,200 PSI, reflecting that TEC-9017 is optimized for electrical performance on smaller, more delicate bonds rather than load-bearing structural joints. That cost-versus-performance trade-off is a genuine one worth weighing rather than defaulting to silver out of caution — nickel's per-unit material cost sits well below silver's, and on a shielding gasket or grounding strap where structural load and general conductivity matter more than shaving down contact resistance to its practical minimum, TEC-9015 delivers the property the joint actually needs without paying for precision it won't use. Viscosity Reflects the Scale of the Bond Line Each Grade Targets TEC-9015 is considerably thicker at 90,000–120,000 cP, a paste consistency suited to bonding gaskets and straps where the adhesive needs to hold its shape and bridge a real gap. TEC-9017 is more flowable at 48,000–65,000 cP, better suited to precise, controlled dispensing onto small electronic components and LED leads where excess material bridging adjacent contacts would create a short rather than a solid ground path. Both grades share the same three cure options — 24 hours at room temperature, 2 hours at 100°F, or 1 hour at 200°F — so the decision between a slow room-temperature cure and a faster heated one is purely a throughput choice, not a factor in which grade to specify. Email Us with your contact resistance requirement, bond size, and whether the joint carries structural load, and Incure's engineers can confirm which Epo-Weld™ conductive grade actually fits. Not the Same Line as Incure's Thermally Conductive Epoxy It's worth distinguishing this line from Incure's separate thermally conductive epoxy line…

Potting a hairline-thin sensor lead and casting a furnace-liner mold both fall under "high temperature potting compound," but they need almost opposite material properties — one wants fine-grain paste that flows into a tiny void, the other wants coarse-grain castable that won't crack across a large volume. Incure's Epo-Weld™ high temperature potting compound line spans that range across nineteen grades, selected primarily by particle size and secondarily by which thermal or electrical property the application actually needs. Grain Size Is the Primary Selection Variable Across the Alumina Family HTPC-4312 and HTPC-4320 are both fine-grain alumina compounds built to flow into small voids and complex geometries — HTPC-4312 for detailed potting of sensors, igniters, and temperature probes, HTPC-4320 specifically formulated as a dispensable, flowable consistency for automated high-volume lines potting appliance sensors and automotive igniters. HTPC-4311 steps up to medium grain for large electrical assemblies like transformers and heaters, where a finer grain would crack across that much volume. HTPC-4313 and HTPC-4314 both serve tooling and fixture casting rather than electrical potting — HTPC-4313 is a high-strength fine-grain castable for brazing fixtures and induction heating supports, while HTPC-4314 goes coarse for large molds and furnace liners where cost-effective bulk casting matters more than fine detail. HTPC-4131 sits apart from this grain-size family entirely: a high-purity, dense alumina adhesive rated to 3300°F — the highest ceiling in the line — built for structurally bonding furnace fixtures rather than potting or casting at all. Its dense, high-purity formulation is also what keeps it chemically inert enough for vacuum and oxidizing atmospheres, a requirement none of the grain-size grades below it are formulated to meet. Thermal Management Splits by Chemistry, Not Just Filler Loading HTPC-4322, HTPC-4332, and HTPC-4335 are all thermally conductive ceramic pastes that move heat away from potted components rather than trapping it — HTPC-4322 uses aluminum nitride filler for large heaters and power supplies, while HTPC-4332 and HTPC-4335 both use silicon carbide, differing mainly in flowability for molding versus flowing into heat-sensitive assemblies. HTPC-4328, HTPC-4337, and HTPC-4342 are a mechanically distinct group: true two-part epoxies rather than ceramic pastes, with actual Shore D hardness and flexural numbers where the ceramic pastes mostly don't apply. HTPC-4328 is a low-viscosity, thermally conductive epoxy that meets NASA outgassing requirements for sensor and high-density circuit potting. HTPC-4337 adds toughness and crack resistance for power supplies and transformers exposed to mechanical shock. HTPC-4342 is the most specialized of the three, formulated to apply directly over semiconductor junctions without causing device failure — a capability that can eliminate a separate silicone barrier coating step entirely in high-voltage microelectronic encapsulation. Email Us with your component size, whether the bond needs to dissipate heat or insulate electrically, and your production volume, and Incure's engineers can confirm which Epo-Weld™ potting compound grade actually fits. Electrical Insulation and Fast-Set Options HTPC-4319 and HTPC-4341 are both zirconium silicate compounds built for high dielectric strength, protecting cartridge heaters, high-power resistors, and sensitive instruments from electrical breakdown — HTPC-4341's finer grain adds compressive strength…

A protective coating rated to 900°F and one rated to 1400°F can look nearly identical on a spec sheet until the lower-rated grade is sprayed onto an exhaust manifold and fails within a few heat cycles. Incure's Epo-Weld™ high temperature coatings line covers that gap with three grades split across two distinct chemistries — a silicone-glass-ceramic hybrid pair and a separate vitreous glass enamel — each suited to a different substrate and service environment rather than one general-purpose "heat coating." Two Silicone-Glass-Ceramic Grades, One Chemistry, Two Temperature Ceilings HTGC-271 and HTGC-272 share the same hybrid silicone-glass-ceramic base, formulated to replace standard organic paints with better abrasion resistance and thermal stability, but they're built for different severity of service. Both are single-component coatings — no mixing ratio to track on the shop floor, unlike the two-part epoxies elsewhere in Incure's high-temperature range — which keeps application consistent across operators and shifts. An organic paint on equipment running anywhere near these temperatures tends to fail by chalking, blistering, or losing adhesion as the binder itself degrades under sustained heat; the silicone-glass-ceramic hybrid resists that failure mode by relying on an inorganic binder system that doesn't break down the same way. HTGC-271, in light gray, holds to 900°F and is positioned as the general-purpose protective coating for process vessels and heat exchangers — equipment that runs hot but not at the line's extreme end. HTGC-272, in black, pushes to 1400°F specifically for exhaust manifolds and furnace components, where rapid temperature swings and chemical fume exposure would delaminate a coating formulated for milder service. The two also differ in viscosity and cure: HTGC-271 is thinner at 100–300 cP with a two-stage cure (1 hour at 200°F plus 1 hour at 300°F), while HTGC-272 is a slightly heavier 300–500 cP and cures in a single 2-hour step at 200°F — a faster, simpler schedule that suits its higher-turnover exhaust and furnace-component applications. A Glass-Enamel Grade for a Different Job Entirely HTGC-273 isn't a silicone-glass-ceramic formulation at all — it's a gloss-black, vitreous glass enamel, chemically closer to traditional enamelware than to the coatings above. Its 1000°F ceiling sits between HTGC-271 and HTGC-272, but the real distinction is what it's built for: a hard, hermetic, chemically resistant shell for stainless steel consumer appliances and decorative metal parts, where salt spray and acid resistance matter as much as heat tolerance, and a glossy, cosmetically finished surface is part of the specification rather than incidental. At 1,500–3,500 cP, it's also the thickest of the three grades, applied more like a traditional enamel coating than a thin protective spray. Its hermeticity is the property doing the real work here: a genuinely gas- and moisture-tight vitreous shell keeps salt spray and airborne acids from ever reaching the stainless steel substrate underneath, rather than merely slowing that ingress the way a thinner protective coating would. Email Us with your substrate, service temperature, and whether the part needs a functional protective coating or a cosmetically finished surface, and Incure's engineers can confirm…

"Glass coating" sounds like one job until the actual requirement turns out to be color-coding a batch of quartz tubes, protecting a graphite electrode from oxidizing, releasing a casting cleanly from a mold, or patching a cracked exhaust manifold before the shift ends. Incure's Epo-Weld™ high temperature glass coating line covers all four across twenty-six grades, organized by what the coating actually has to do rather than by a single shared temperature rating. Ten Color-Coded Grades Are One Marking System, Not Ten Formulations HTC-6006, 6007, 6013, 6022, 6031, 6059, 6060, 6068, 6069, and 6070 share nearly identical mechanics — Shore D85 hardness, 11,500 PSI flexural strength, 2,300 PSI tensile shear, and a 24-hour room-temperature cure — differing mainly by pigment and opacity rather than chemistry. Brown-black HTC-6006 and jet-black HTC-6013 mark and light-block quartz and glass components; cobalt-blue HTC-6022, gray HTC-6031, light-green HTC-6059, and dark-green HTC-6060 exist purely for color-coded identification and inventory tracking on lighting fixtures, laboratory glassware, and semiconductor process tubes; matte-silver HTC-6068 and off-white HTC-6069 are chosen for reflectivity rather than marking, directing radiant heat back through a reflector lamp or heater tube instead of absorbing it. HTC-6007 is simply HTC-6006's high-viscosity version, built for thicker film builds where more opacity or gap-filling is needed. HTC-6070 is the one true outlier in the group — a glass-ceramic-filled formulation at D82 hardness and 8,000 PSI flexural, rated to 1600°F rather than the family's usual 1500–2000°F, purpose-built for maximum reflectivity on infrared heaters and UV curing lamps. Refractory and Furnace Protection HTC-303 and HTC-383 both protect graphite from oxidation, using different fillers to get there — HTC-303's titanium diboride ceramic holds to 2000°F, while HTC-383's silicon carbide adds high hardness against erosion on graphite electrodes and susceptors. HTC-329, HTC-330, and HTC-338 all seal porous refractory fiber and brick against dusting and particulate contamination, differing mainly in viscosity: HTC-329 is phosphate-bonded for abrasion resistance on brick linings, HTC-330 targets fiber modules and launder systems up to 2300°F, and HTC-338 is the low-viscosity version built to penetrate and impregnate fiber surfaces by spraying or brushing rather than troweling. HTC-309 seals and protects alumina fiberboard against dusting in sensitive furnace-lining applications. At the extreme end, HTC-389's yttrium oxide chemistry stays chemically inert against reactive metals like titanium and uranium during aerospace-metallurgy crucible melting, while HTC-390's zirconium oxide coating holds oxidation resistance up to 3270°F on carbon steel and refractory metals in chemical processing. Release Coatings for Metal Casting HTC-347 and HTC-365 are both boron nitride release coatings that keep molten non-ferrous metal from wetting a mold surface, but serve opposite maintenance philosophies: HTC-347 is a hard, durable coat meant to last across many casting cycles, while HTC-365 is a soft, consumable coat reapplied each cycle or as needed on hot-top rings and transition plates. HTC-374 takes a different approach entirely — a pure graphite lubricant that replaces oil-based release agents on glass-forming molds and wire-drawing dies, working in reducing and neutral atmospheres where the other two grades aren't specified. Email Us with…

Nineteen adhesives can all carry a "3000°F" rating on the datasheet and still be wrong for each other's job — one has to stay chemically inert against a platinum sensor it's bonding, another has to match mica's exact thermal expansion rate, and a third just needs to stop a bolt from vibrating loose inside a kiln. Incure's Epo-Weld™ high temperature bonding line spans that range across nineteen single- and two-part ceramic adhesives, and choosing the right one starts with function, not the shared temperature number on the label. One Mechanical Profile, Nineteen Different Ceramic Chemistries Most of the line shares the same physical form — a thixotropic ceramic paste — and the same three-stage cure schedule of 1 to 4 hours at room temperature, 2 hours at 200°F, and 2 hours at 500°F, with flexural strength in the 1,100–2,200 PSI range and tensile shear of just 250–600 PSI. Those are modest numbers next to Incure's structural epoxy lines, because these grades aren't chosen for load-bearing strength — they're chosen for chemical inertness, dielectric strength, or a base ceramic that expands and contracts at the same rate as the substrate it's bonded to. The real selection variable across nineteen otherwise similar-looking pastes is which of nine base ceramic fillers — alumina, alumina-silica, aluminum nitride, magnesium oxide, mica, silica, silicon carbide, zirconia, or zirconium silicate — actually matches the application's electrical, thermal, or chemical requirement. Lamp and Lighting Assembly HTB-8012, HTB-8017, and HTB-8058 all bond halogen and HID lamp components, but split by production need. HTB-8012 is a fast-setting, single-part alumina adhesive built for high-speed capping of quartz lamps and ceramic bases. HTB-8017 is the two-part version of the same chemistry, trading single-part convenience for higher mechanical strength and vibration resistance on large halogen and HID lights, curing deep sections without trapping volatiles. HTB-8058 is the standard-duty, cost-effective option for high-speed lamp manufacturing where neither 8012's faster set nor 8017's added strength is actually required. Sensor, Thermocouple, and Instrumentation Bonding HTB-8007, HTB-8026, HTB-8035, and HTB-8053 all bond sensing elements, but each solves a different failure mode. HTB-8007 is moisture-resistant and hydrophobic, formulated for gas chromatograph and mass spectrometer sensor assembly where dielectric strength prevents signal drift. HTB-8026 is inert and non-contaminating up to 2500°F, specifically for automotive oxygen sensors and gas heaters where the bond can't interfere with the sensing element itself. HTB-8035 adds aluminum nitride filler for genuine thermal conductivity on top of dielectric strength, so heat reaches a potted thermocouple or probe quickly rather than lagging the way an insulating cement would. HTB-8053 is zirconia-based and chemically resistant to molten metals and oxidizing atmospheres, built for potting platinum sensors up to 3200°F in the same harsh process environment the sensor is measuring. Email Us with your substrate, service temperature, and whether the bond needs to stay chemically inert or electrically isolating, and Incure's engineers can confirm which Epo-Weld™ high temperature bonding grade actually fits. Refractory Repair, Insulation, and Sealing HTB-8021 repairs furnace linings and refractory brick with thermal-shock resistance against…

Welding a worn pump casing back to spec means a heat-affected zone, distortion risk, and equipment offline for the job — when the actual failure is localized erosion or corrosion, not a structural break that needs a new weld. Incure's Epo-Weld™ high strength structural line addresses that gap with three cold-applied repair compounds, each built around a different failure mode rather than one general-purpose "metal repair epoxy." Three Grades, One Shared Job: Replacing Welding for Metal Repair All three grades — HSS-601, HSS-604, and HSS-610 — are two-part, thixotropic pastes explicitly formulated to replace welding for restoring worn, eroded, or corroded metal components rather than bonding new assemblies together, the category this line occupies distinctly from Incure's other Epo-Weld™ structural and high-temperature lines. All three are also thixotropic pastes rather than flowable liquids, formulated to stay in place on a vertical pump housing or the inside wall of a tank during application rather than sagging or running off before cure locks the repair in — a practical requirement for in-place repairs on equipment that can't always be rotated to a favorable orientation. That shared purpose is where the similarity ends: each grade is filled and reinforced differently to solve a specific repair problem, and picking the wrong one means specifying an abrasion-resistant patch where a chemically resistant barrier was actually needed, or the reverse. Reinforcement Fiber vs. Filler Metal: Two Different Repair Approaches HSS-601 is a glass-fiber- and kevlar-reinforced epoxy novolac at Shore D83–D93, 13,500 PSI flexural strength, and 2,400 PSI tensile shear — its reinforcement fibers are there specifically to stop crack propagation and impact damage on an eroded surface, making it the grade for chutes, hoppers, and pump casings that see abrasive wear rather than a clean structural load. HSS-604 takes a different route: aluminum- and ceramic-filled, at D84–D94 hardness with 14,500 PSI flexural and 2,700 PSI tensile shear, formulated so its high aluminum content lets the cured repair be machined, drilled, and tapped like metal — a genuinely different capability than HSS-601 offers, and the reason HSS-604 is the grade specified for restoring molds, dies, and engine blocks that need precise dimensional finishing after the repair cures, not just a durable patch. It also holds adhesion and structural integrity through vibration and thermal cycling, relevant on engine blocks and heat exchangers that see both mechanical and thermal stress in normal operation, not just the one-time load of the repair itself. Chemical Resistance Is HSS-610's Differentiator HSS-610 is ceramic-filled like HSS-604 and shares its machinable finish, but its filler chemistry is chosen for chemical resistance rather than metal-like machinability — Shore D83–D93 hardness, the line's highest flexural strength at 16,500 PSI, and 2,800 PSI tensile shear, built as a chemically resistant barrier against acids, alkalis, and solvents on components that stay in continuous chemical service after the repair. It also resists moisture and salt spray specifically, a distinction worth checking for offshore and marine equipment where corrosion resumes almost immediately if the repair barrier itself isn't salt-resistant. That's…