Appearance：light yellow crystal powder
Melting point: 47.0-49.0℃
Content: ≥99.0%
Ash: <0.1%
Light transmittance:  (450nm)：>90%
(500nm): >95%
Packing: paper drum 25kg/drum
Storage: airproof and avoid light
Use: It is excellent high-effective anti-aging assistance. It is widely used in PE, PVC, PP, PS, PC, organic glass and others.
Valid period: 2 years