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Aliphatic polyurethane acrylate
B-2622
Product features:
B-2622 is a difunctional polyurethane acrylate with a high molecular weight, containing the monomer IBOA. It is water-white and transparent, exhibits low cure shrinkage, excellent adhesion, good elongation, and outstanding transparency of the cured film.
Recommended use:
UV liquid optical adhesive (LOCA), UV adhesives, and the like.
Shelf life:
Store at room temperature, sealed and protected from light; shelf life: 6 months.
Packaging specifications:
200 L drums; 20 L drums.
Precautions:
Product Specifications:
| Project | Indicator | Detection method |
|---|---|---|
| Appearance | Transparent liquid | Estimate by eye |
| Color (APHA) | ≤50 | GB/T 3143-1982 (Platinum–Cobalt Method) |
| Viscosity (cps/60℃) | 40,000–80,000 | GB/T 2794-2022 |
| Acid value (mg KOH/g) | ≤2.0 | GB/T 6743-2008 |
| Specific gravity (g/cm3 ) | 0.99±0.02 | GB/T 6750-2007 |
| Refractive index (25°C) | 1.453 ± 0.005 | GB/T 614-2006 |
| Active ingredient (%) | 100 | Theoretical value |
| Functionality | 2 | Theoretical value |
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