HumiSeal 1A33 is a high-performance, single-component urethane conformal coating for general-purpose printed circuit board protection. It combines classic polyurethane toughness with modern safety features.

Key Features of HumiSeal 1A33 Urethane Conformal Coating

  • 180 cPs viscosity
  • 10 to 30 minute touch dry
  • Perfect for spray, dip or brush

Safer to Apply

This formula contains no free isocyanates. As a result, it improves workplace safety during application.

Tough, Durable Protection

1A33 forms a rugged barrier against moisture, solvents and chemical contaminants. This helps protect circuit assemblies in challenging industrial environments.

Fits Your Workflow

With a viscosity of 180 cPs, it is easy to apply by spray, dip or brush. In addition, it is touch dry in 10 to 30 minutes at room temperature, so it slots easily into standard production.

Easy Inspection

The coating is UL approved and fluoresces under UV light. So inspectors can quickly confirm consistent and complete coverage.

Why Choose This Urethane Conformal Coating?

HumiSeal 1A33 gives you the reliable protection of polyurethane with modern safety and inspection features. For example, it is a strong choice for high-reliability electronics that face harsh conditions.

Because it works with several application methods, it also suits both small batches and larger runs.

Browse our full range of urethane conformal coatings to compare options for your boards.

Select Size

, , ,

You may also like…

Humiseal UV50LV UV Curable Conformal Coating

HumiSeal UV50LV UV Curable Conformal Coating

  • • Volume resistivity: 3.9×10¹³ Ω·cm
  • • VOC-free, no solvents
  • • Viscosity: 80-120 cPs
SonoTek ExactaCoat Programmable Benchtop Coating System
Humiseal UV500 UV Curable Conformal Coating

HumiSeal UV500 UV Curable Conformal Coating

  • • Solids content: 98%
  • • Volume resistivity: 8.0×10¹² Ω·cm
  • • Thermal conductivity: 0.505 W/mK
MSTech Lite UVLED Curing System

HumiSeal 1A33 Urethane Conformal Coating

Single-component polyurethane coating with no free isocyanates. UL-approved and UV-fluorescent, providing a durable chemical and moisture barrier for general-purpose electronic protection.

SKU: N/A Categories: Brand:
Talk to a Specialist