Urethane 1A33GEL

HumiSeal® 1A33 Gel conformal coating is:

  • a thixotropic urethane gel
  • fast drying
  • single component

HumiSeal 1A33 Gel conformal coating has:

  • excellent moisture and environmental protection for printed circuit assemblies
  • fluorescence under UV light for ease of inspection
  • no free isocyanates
  • RoHS directive 2015/863/EU

Application of 1A33 Gel Conformal Coating

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” materials. Users should perform adequate testing to confirm compatibility between the conformal coating and their particular assembly materials, process conditions and cleanliness level. Please contact a HumiSeal representative for additional information.

Syringe Application

HumiSeal® 1A33 Gel is intended for automated needle dispensing, but may also be applied manually.

Product Specification
Solids Content, % by weight per Fed-Std-141, Meth. 4044 44 ± 2 %
VOC 521 grams/liter
Drying Time to Handle per Fed-Std-141, Meth. 4061 10 minutes
Time Required to Reach Optimum Properties: 30 days @RT
30 Hrs @76º C
20 Hrs @87º C
Recommended Stripper Stripper 1063
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