UV curable UV 40 Gel
Model No: UV40

HumiSeal® UV40 Gel is a single component, high solids, UV curable gel. A secondary moisture cure mechanism will cure unexposed areas within 7 days at ambient conditions. The gel fluoresces under UV light to allow inspection. HumiSeal® UV40 Gel is in full compliance with the RoHS directive 2015/863/EU.

 Product Enquiry

Conformal coatings can be successfully applied to substrates that have been cleaned prior to coating and also to substrates assembled with low residue, “no clean” assembly materials. Users should perform adequate testing to confirm compatibility between the conformal coating and their particular assembly materials, process conditions and cleanliness level. 


Product Specification


1.06 g/cm3

Minimum Solids Content

95 %

Recommended Coating Thickness*

Up to 2.0 mm

Recommended UV Cure

See TDS for Details

Shelf Life at Room Temperature, DOM

12 months

Dielectric Withstand Voltage, per MIL-I-46058C

>1500 votls

Dielectric Constant, at 1MHz and 25°C per ASTM D150-98


Dissipation Factor, at 1MHz and 25°C per ASTM D150-98


Insulation Resistance, per MIL-I-46058C

8.0 x 1014 ohms (800TΩ)

Moisture Insulation Resistance, per MIL-I-46058C

4.7 x 1010 ohms (47GΩ)

*Thickness will vary based on application equipment and process. User is responsible for confirming suitability of product for intended application.

†Microwave UV cure ovens equipped with “H” style bulbs are recommended.