China UV Absorber UV-328 for PU/PVC, Find details about China UV Absorber UV-328, UV-328 from UV Absorber UV-328 for PU/PVC
Appearance | white to light yellow powder |
Content | ≥ 99% |
Melting point | 80-83°C |
Loss on drying | ≤ 0.5% |
Ash | ≤ 0.1% |
Light transmittance | 440nm≥96% |
500nm≥97% |