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Aliphatic polyurethane acrylate

B-405


Product features:

B-405 is a four-functional, light- and moisture-curable polyurethane acrylate with excellent adhesion. It contains isocyanate groups and can cure at room temperature in shaded areas via moisture curing, or it can be cured thermally using a two-component system.


Recommended use:

PCB conformal coating, a dual-cure system combining light and heat.

Shelf life:

In a dry, cool, and well-ventilated place. For unopened containers, the typical shelf life is 6 months from the date of manufacture.

Packaging specifications:

20L packaging drum.

Precautions:

None

TDS

TDS Download:

B-405 TDS (2024.11 version)

Product Specifications:

Project Indicator Detection method
Appearance Transparent liquid Visually
Color (APHA) ≤50 GB/T 3143-1982 (Platinum-Cobalt Method)
Viscosity (cps/25℃) 8000-13000 GB/T 2794-2013
Specific gravity (g/cm3) 1.15 ± 0.02 GB/T 6750-2007
Refractive index (25℃) 1.493 ± 0.005 GB/T 614-2006
NCO content (%) 8.8–9.6 Theoretical value
Active ingredient (%) 100 Theoretical value
Functionality 4 Theoretical value

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