Dragonsorb®-327 is a UV Absorber, which can strongly absorb 270 ~ 400nm ultraviolet light, with small volatility and good chemical stability. Dragonsorb -327 has good compatibility with polyolefin. It is suitable for polyethylene, polypropylene, PVC, polymethylmethacrylate, polyformaldehyde, polyurethane, unsaturated polyester, ABS, epoxy resin, cellulose resin, etc. This product has excellent heat resistance and washing resistance. The combination of ultraviolet absorber 327 and antioxidant has obvious synergistic effect. The dosage of this product in plastic is generally 0.3-0.5%.
Appearance | Slightly yellow powder | |
Melting Point ℃ | 151℃ | |
Volatiles %≤ | ≤0.5% | |
Ash | ≤0.05% | |
Assay | ≥99.0% | |
Transmittance(460 nm) | ≥97% | |
Transmittance(550nm) | ≥98% |