1.Used in PVC ,WPC plastic 2.Used as UV stabilizer Ultraviolet ... : ≥99%Melting Point :47-49°CAsh : <0.1%Light Transmittance:450nm>90% 500nm>95%Solubility (25°C) ... its physical function. It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene ... polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%.Storing and PackingThis product is nontoxic, inflammable, ...