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Aliphatic polyurethane acrylate
B-39
Product features:
B-39 is a novel, low-viscosity, monofunctional polyurethane acrylate (PUA) that features both the rigid structure of urethane bonds and flexible carbon chains in its molecular structure. Compared to conventional monofunctional acrylate monomers, B-39 boasts outstanding characteristics such as superior flexibility, rapid curing rate, high double-bond conversion, low volatility, and minimal irritation. It can effectively enhance the wettability and leveling properties of coatings and exhibits excellent adhesion to various substrates.
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Product Specifications:
| Project | Indicator | Detection method |
|---|---|---|
| Appearance | Transparent liquid | Visually |
| Color (APHA) | ≤100 | GB/T 3143-1982 (Platinum-Cobalt Method) |
| Viscosity (cps/30℃) | 10-40 | GB/T 2794-2013 |
| Acid value (mg KOH/g) | ≤3.0 | GB/T 6743-2008 |
| Specific gravity (g/cm3) | 1.06 ± 0.02 | GB/T 6750-2007 |
| Refractive index (25℃) | 1.456 ± 0.005 | GB/T 614-2006 |
| Active ingredient (%) | 100 | Theoretical value |
| Functionality | 1 | Theoretical value |
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