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Aliphatic polyurethane acrylate
B-211A
Product features:
B-211A is a bifunctional PUA resin with a special molecular structure. It features a high molecular weight and exhibits excellent adhesion to glass and metals. It also boasts good bonding performance and flexibility. The resin demonstrates outstanding resistance to boiling water and acid exposure. When used in UV adhesives, it can adjust the formulation’s flexibility while maintaining a balanced performance in terms of resistance to boiling water and acid.
Recommended use:
Recommended for bonding metals and glass.
Shelf life:
Store at room temperature, sealed and protected from light. Shelf life: 6 months.
Packaging specifications:
20L packaging drum.
Precautions:
None
Product Specifications:
| Project | Indicator | Detection method |
|---|---|---|
| Appearance | Transparent liquid | Visually |
| Color (APHA) | ≤80 | GB/T 3143-1982 (Platinum-Cobalt Method) |
| Viscosity (cps/30℃) | 30,000–50,000 | GB/T 2794-2013 |
| Acid value (mg KOH/g) | ≤2.0 | GB/T 6743-2008 |
| Specific gravity (g/cm3) | 1.05 ± 0.02 | GB/T 6750-2007 |
| Refractive index (25℃) | 1.487 ± 0.005 | GB/T 614-2006 |
| Active ingredient (%) | 100 | Theoretical value |
| Functionality | 2 | Theoretical value |
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