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Polyurethane acrylate
B-254
Product features:
B-254 is a bifunctional polyurethane acrylate with a medium molecular weight, exhibiting a moderate cure rate, excellent film flexibility, superior pigment wetting, and outstanding resistance to the double 85 test.
Recommended use:
Anti-spy film, white adhesive, etc.
Shelf life:
Store at room temperature, sealed and protected from light; shelf life: 6 months.
Packaging specifications:
200L packaging drum; 20L packaging drum.
Precautions:
Product Specifications:
| Project | Indicator | Detection method |
|---|---|---|
| Appearance | Transparent liquid | Visual estimation |
| Color (APHA) | ≤50 | GB/T 3143-1982 (Platinum–Cobalt Method) |
| Viscosity (cps/60℃) | 1000-3000 | GB/T 2794-2022 |
| Acid value (mg KOH/g) | ≤3.0 | GB/T 6743-2008 |
| Specific gravity (g/cm3 ) | 1.09±0.02 | GB/T 6750-2007 |
| Refractive index (25°C) | 1.506±0.005 | GB/T 614-2006 |
| Active ingredient (%) | 100 | Theoretical value |
| Sensory degree | 2 | Theoretical value |
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