First, the product overview

Ultraviolet Absorbent UV-329 is a kind of high performance anti-aging additive. It is soluble in benzene, styrene and ethyl acetate. It is slightly soluble in ethanol and insoluble in water. It can absorb UV light of 270-340 nm and is widely used PE, PVC, PP, PS, PC, PP fiber, ABS resin, epoxy resin, resin fiber and ethylene vinyl acetate, etc. And can be used for plastic containers and food packaging boxes and other packaging materials, to provide them with a good Light stability effect. The recommended dosage of 0.1% -0.5%, thick products 0.05-0.2%

Second, use

For polystyrene, polymethyl methacrylate, polyester, rigid PVC, polycarbonate, ABS resin.

Third, the quality standards

Appearance: white powder

Content: ≥99%

Volatile: ≤0.5%

Melting point: 101-106 ° C

Ash content: ≤0.05%

Light transmittance: 440nm≥97% 500nm≥98%