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News from Krayden Inc.

Krayden, Inc. Announces that Humiseal UV40 Coating Is Available as a Gel

Jun 11, 2010

DENVER, CO — Krayden, Inc., a leading distributor of engineered materials, announces that the popular Humiseal UV40 conformal coating is now available as a gel.

The UV40 gel by Humiseal is formulated specifically for various large-scale light emitting diode (LED) applications, including the huge displays in sporting stadiums, which need a lightweight coating. The material also has been used in the manufacturing of LED displays carried on blimps and hot air balloons. Humiseal UV40 gel is ideal when lightweight hermetically sealed housing is needed for electronic circuitry to withstand extreme UV exposure, as well as lightning strikes and moisture ingress from rain. The standard Humiseal UV40 conformal coating is applied with the UV40 gel around sensitive areas of the circuit board to increase the thickness of covering. 

Humiseal UV40 clear gel is a one-part, anti-sagging, 100 percent solids dual cure acrylated polyurethane conformal coating. It features excellent chemical resistance, surface hardness, flexibility and moisture resistance. The material is tack-free after exposure to UV light and the secondary moisture cure mechanism will fully cure any exposed areas of the coating within two to three days at ambient conditions. Additionally, the secondary cure can be accelerated by baking. Humiseal UV40 offers an application thickness up to 1 mm, which is approximately 10X the normal thickness of conformal coatings.

Humiseal’s gel conformal coating materials provide more control and flexibility, allowing materials to be deposited only where required and avoiding sensitive areas. As technology becomes increasingly more difficult with requirements to design smaller and more densely populated assemblies, the gel coatings offered by Humiseal, including UV40, acrylic-based 1B31 and urethane-based 1A33, help manufacturers meet reliability and performance targets for the lifetime of the products. These coatings also allow customers to deploy dam and fill coating techniques around selected components by building a dam of gel product around a device and then filling it with a standard conformal coating.

Manufactured and available globally, Humiseal’s range of gel products is the result of its ongoing work to continuously improve and develop sector-specific products that reflect its clients’ needs in a real and competitive world.

For full technical data information, visit or contact Krayden, Inc., authorized distributor of Humiseal UV40, at

Krayden, Inc. is a stocking distributor featuring adhesives, sealants, encapsulates, coatings, solder, solder chemicals, release agents, dispensing equipment and supplies with locations throughout the United States and five locations serving Mexico. The company represents only the leaders in the engineered materials industry, and is fully supported by these manufacturers as well as committed to updating its customers' about new products for their applications. Krayden, Inc.’s inventory is constantly being monitored for quality and shelf life at all locations. The company has the ability to customize its inventory based on customer’s requirements, and it prides itself on having technical knowledge of its product lines. For more information, visit Krayden, Inc. at

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