en.Wedoany.com Reported - Henkel has launched the commercially available solvent-free conformal coating Loctite Stycast UV 7998, designed to protect printed circuit boards and electronic components. This material features dual UV and moisture curing properties and is suitable for applications in home appliances, lighting, consumer electronics, and automotive sectors. When applied to the surface of printed circuit board assemblies, the conformal coating helps resist moisture, dust, chemicals, and other environmental factors.

Henkel states that Loctite Stycast UV 7998 exhibits self-leveling, wetting, and uniform coverage characteristics during application. The material cures within seconds under UV light exposure, followed by secondary moisture curing for areas not directly exposed to the light source. The formulation achieves a UL 94 V-0 flame retardancy rating and is free of tin, halogens, and bisphenol A (BPA), while complying with RoHS and REACH regulations.

According to data provided by Henkel, the solvent-free formulation can reduce carbon dioxide emissions by up to 40% compared to solvent-based formulations. Additionally, compared to solvent-based conformal coatings, this coating requires up to four times less spray volume to achieve similar thickness. Henkel notes that this material expands its conformal coating product line and is suitable for mainstream electronics manufacturers seeking a combination of processing efficiency, electronic protection, and low-VOC manufacturing.

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