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Polyester acrylate
B-521
Product features:
B-521 is a di-functional polyester acrylate with extremely low viscosity, fast curing rate, and excellent wettability.
Recommended use:
UV wood coatings, UV paper varnishes, etc.
Shelf life:
Store at room temperature, sealed and protected from light; shelf life is 6 months.
Packaging specifications:
200L packaging drum; 25L packaging drum.
Precautions:
None
Product Specifications:
| Project | Indicator | Detection method |
|---|---|---|
| Appearance | Transparent liquid | Estimate |
| Color (APHA) | ≤80 | GB/T 3143-1982 (Platinum-Cobalt Scale) |
| Viscosity (cps/30℃) | 40-60 | GB/T 2794-2013 |
| Acid value (mg KOH/g) | ≤2.0 | GB/T 6743-2008 |
| Specific gravity (g/cm³ 3 ) | 1.21±0.02 | GB/T 6750-2007 |
| Refractive index (25°C) | 1.475±0.005 | GB/T 614-2006 |
| Active ingredient (%) | 100 | Theoretical value |
| Degree of unsaturation | 2 | Theoretical value |
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