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Aliphatic polyurethane methacrylate
B-451
Product features:
B-451 is a bifunctional polyurethane methacrylate with a high molecular weight, free of monomers. It exhibits minimal shrinkage upon curing, excellent flexibility, and the cured film demonstrates outstanding tensile properties. Thermal curing can further enhance the coating’s strength and elasticity.
Recommended use:
UV adhesive, 3D printing, UV elastomer, dual-curing system.
Shelf life:
Store at room temperature, sealed and protected from light. Shelf life: 3 months.
Packaging specifications:
20L packaging drum.
Precautions:
Product Specifications:
| Project | Indicator | Detection method |
|---|---|---|
| Appearance | Transparent liquid | Visually |
| Color (APHA) | ≤50 | GB/T 3143-1982 (Platinum-Cobalt Method) |
| Viscosity (cps/25℃) | 15,000–25,000 | GB/T 2794-2022 |
| Acid value (mg KOH/g) | ≤2.0 | GB/T 6743-2008 |
| Specific gravity (g/cm3) | 1.01 ± 0.02 | GB/T 6750-2007 |
| Refractive index (25℃) | 1.476 ± 0.005 | GB/T 614-2006 |
| Active ingredient (%) | 100 | Theoretical value |
| Functionality | 2 | Theoretical value |
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