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UV Absorber UV-312 for PET/PBT Resins/PA/PC/PVC/PU Light Stabilizer 312 CAS 23949-66-8

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Henan Ruiqite Chemical Industry Co., Ltd.

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Brand Name : RQT

Model Number : UV-312

Place of Origin : China

MOQ : 1

Supply Ability : 200tons/mouth

Delivery Time : 1-3days

Packaging Details : 25kg/bag

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Chemical Name	UV absorber UV-312/Light stabilizer 312
English Name	Ultraviolet Absorbent UV-312(VSU)
CAS	23949-66-8
EINECS	245-950-9
Appearance	White powder
Melting point	124-127°C(lit.)
Density	1.26g/cm3(Predicted)
Purity	99.00%
Light transmittance	460nm ≥96.00% 500nm ≥98.00%
Molecular Formula	C18H20N2O3
Packing	(25 kg × 1) Carton
Use	UV-312 (VSU) is a benzotriazole-based UV absorber with excellent UVB absorption efficiency. It can absorb ultraviolet light from 280-320 nanometers, with a peak absorption at 298 nanometers. It has good compatibility, low volatility, good thermal stability, high absorption efficiency, and does not react with metal ions, does not cross-react with brighteners, and does not overlap with photoinitiator absorption. It is suitable for polyesters, polyvinyl chloride, polyamides, polyurethanes, polycarbonates, poly(methyl methacrylate), acrylic resins, unsaturated resins, cellulose resins, powder coatings, solvent coatings. It is suitable for: PA, PC, PVC, PU, and PET/PBT resins.
Dosage	0.1-0.5%.

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Benzotriazole-based UV Absorber UV-312

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