... Absorbent, UV Absorbent, UV-234Main Indexes:1) Appearance: light yellow powder2)Volatile Matter: ≤0.5%3) Melting ... Content: ≤0.05%5)Purity: ≥99%6)Light Transmittance: 460nm≥97%,500nm≥98%Characteristics and Uses: ... point is 139.5-141°C, it is a fine light stabilizer, suitable for PP, TPE , hard PVC, POM, ... CAS No.: [14516-71-3]Specification:Appearance: Light green powderMelting Point:245.0-280.0°CPurity ( ...