UV Adhesives / UV Curing Equipments / UV LED Equipments / UV LED Spot Equipments

Incure Litemask™ 8114VT: A High-Temperature UV-Curable Masking Resin

Processes that heat a part, from wave soldering to bake cycles, need a maskant that does not soften, char, or bleed at the boundary. Incure Litemask™ 8114VT is a high-temperature, UV-curable masking resin with a thixotropic body that stays where it is applied and peels off clean. Controlled placement at high temperature The VT designation points to a very thixotropic rheology: the resin resists flow at rest, so it holds a defined edge on vertical walls and around standing features without sagging, then thins under the shear of a brush or dispense tip. That combination matters for high-temperature masking, where a wandering or feathered edge tends to be the first place the film breaks down under heat. 8114VT forms a tough-yet-soft peelable film. It withstands elevated temperature during processing while retaining enough elongation to be removed in one piece rather than shattering into fragments. What it protects The cured film guards surfaces against chemical stains, burnt marks, and other contamination from soldering and thermal processing. It is also used for product surface protection, shielding finished parts from scratches, stains, and handling damage during shipping and storage. The resin is 100% solids with no volatile organic compounds and no acids. On cleanliness-sensitive electronic hardware, that absence of ionic residue is a requirement, not a nicety, because trapped ionic species can drive corrosion and electrochemical migration downstream. Cure options and control 8114VT cures under UV, visible, or LED light. The reaction is radical photopolymerization driven by energy near 365–405 nm. A repeatable cure needs the delivered dose measured in millijoules per square centimeter with a radiometer, plus exposure of every masked surface, including shadowed faces behind tall components. Thick sections and shadowed pockets are where cure lags. If the surface skins before the bulk sets, the underlayer stays soft and leaves residue on peel. Enough dose and a fixture that presents all masked faces to the lamp keep the full film solid. Because lamp and LED output falls with age, intensity should be verified on a schedule rather than assumed. Batch trays cure under Incure L-Series UV LED flood lamps, higher-output arc coverage comes from Incure F-Series UV flood lamps, and inline curing runs on an Incure CDM UV conveyor. Application and removal 8114VT is brushed or dispensed and shaped to the masked boundary. Its thixotropic body builds film on vertical and overhead surfaces and holds a crisp edge. After processing, the film peels by hand in a single motion, ideally without leaving fragments in tight features. Because it replaces the labor of fitting high-temperature tape around connectors and irregular features, the resin cuts the time and cost of the masking step. For help matching Litemask™ 8114VT to a specific thermal profile and peak temperature, Email Us with the process details and the surfaces being protected. Failure modes Breakdown at the mask line means the film was exposed above its temperature limit or held in the heat too long; set the boundary back from the hottest zone. Fragmenting on removal indicates excess…

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August 23, 2024
UV Adhesives / UV Curing Equipments / UV LED Equipments / UV LED Spot Equipments

Incure Litemask™ 1123G: A Peelable Gel Maskant for Soldering and Blast Protection

Soldering, sandblasting, and solvent cleaning all put localized stress on a part, and the surfaces next to the work zone need protection that stays put and then peels away clean. Incure Litemask™ 1123G is a light-curable peelable gel maskant designed for exactly that kind of temporary, high-contrast protection. Why a gel form A gel maskant behaves differently from a thin resin. It holds its shape on a vertical wall, does not run off an edge, and forms a defined boundary where it is placed. That makes 1123G suited to spot masking: covering a connector next to a soldering operation, protecting a machined face during grit blasting, or shielding an area from solvent splash without coating the whole part. The gel is applied by brush or dispense, cured in place, and removed by hand. It carries no adhesive, so there is no residue to clean off the protected surface afterward. Cure options 1123G cures under UV, visible, or LED light. The reaction is a radical photopolymerization driven by energy near 365–405 nm. A repeatable result depends on the delivered dose, measured in millijoules per square centimeter with a radiometer, and on every masked surface seeing that light. Shadowed regions behind standing features cure slowly and may need repositioning under the lamp or a supplemental pass. Because UV output falls as sources age, intensity should be verified rather than assumed. Batch work cures under Incure L-Series UV LED flood lamps at a set distance, and enclosed curing fits an Incure B/C-Series UV cure chamber. Protection during soldering, blasting, and cleaning The cured film resists the conditions of soldering processes, sand-blasting media, and a range of chemicals and solvents. For soldering, the film has to tolerate localized heat at the work zone without breaking down at the mask edge. For blasting, it has to absorb media impact rather than chip away. The gel's toughness and elongation give it the give it needs for both. That same elongation and toughness provide passive vibration isolation, which is why 1123G is also used where a protective layer needs to damp shock and vibration on a component during handling or transport. Removal 1123G is removed by soaking the masked component in hot water for about a minute, which relaxes the film so it peels away in one piece without breakage. Clean removal is a design goal of the grade: the film should not split into fragments that lodge in tight features or leave a skin behind on the protected surface. The maskant is also usable as a bonder for various substrates when a compliant, peelable-strength joint is wanted rather than a permanent structural bond. For help matching Litemask™ 1123G to a soldering profile, blast setup, or cleaning chemistry, Email Us with the process details and the substrate. Failure modes Tacky residue after removal is a cure symptom: add dose or reposition the part so shadowed areas get light. Tearing on peel that leaves gel in a recess usually means the film was applied too thin for the…

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August 23, 2024
UV Adhesives / UV Curing Equipments / UV LED Equipments / UV LED Spot Equipments

Incure Litemask™ 3148: A Residue-Free Peelable Maskant for Electronics and Optics

In electronics and precision optics, the masking material can do as much harm as the process it protects against. An ionic residue left behind after peel, or a film that scratches a polished face, turns a masking step into a contamination source. Incure Litemask™ 3148 is a UV-curable peelable maskant built around clean removal. The cleanliness requirement A maskant used on a printed circuit board, an optical window, or a sensor face has to leave the protected surface exactly as it found it. That means no adhesive transfer, no ionic species that could drive electrochemical migration later, and no mechanical marking of soft or coated surfaces during application or removal. Litemask™ 3148 is formulated as an ultra-clean, peelable film. It is designed to lift off in one piece without leaving residue or contamination, so the masked surface passes cleanliness inspection without an added cleaning step. Thickness range and why it matters 3148 can be applied from roughly 30 micrometers up to about 3,000 micrometers. That range covers two very different jobs. A thin film protects a flat optical or plated surface against handling marks and light chemical exposure. A thick film fills around standing components and bridges gaps, giving a robust barrier during more aggressive steps such as blasting or chemical treatment. Building thickness is done in passes, with a wet-film gauge to keep it consistent. Thicker sections need attention at cure, because light has to drive the reaction through the full depth. Cure behavior and control The maskant cures rapidly under UV light. The reaction is a radical photopolymerization driven by energy near 365–405 nm, and the two variables that decide repeatability are the delivered dose in millijoules per square centimeter, verified with a radiometer, and exposure of every masked surface, including the shadowed side of tall components. Thick films and shadowed pockets are where cure problems concentrate. Enough dose, and a fixture that presents all masked faces to the lamp, keep the film from staying tacky underneath. Because lamp and LED output declines with age, intensity should be checked on a schedule rather than assumed. Batch trays cure under Incure L-Series UV LED flood lamps, and enclosed work fits an Incure B/C-Series UV cure chamber. Chemical and thermal resistance The cured film protects surfaces from chemical stains and from scratch marks during handling, and it withstands elevated temperature, which lets it stay in place through processes that warm the part. The formulation is 100% solids with no volatile organic compounds, so there is no solvent flash and low cure shrinkage. For coated optics and sensitive electronic finishes, the combination of clean peel and chemical protection is the point: the film guards against process exposure without becoming a defect itself. Application and removal 3148 is brushed, dipped, dispensed, or flow-coated depending on part size and geometry. It conforms to component outlines and board features and cures into a coherent film that peels by hand. Removal is a single motion; the film should come away without splitting into slivers or…

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August 23, 2024