Name: UV Absorber UV-312 for PET/PBT Resins/PA/PC/PVC/PU Light Stabilizer 312 CAS 23949-66-8
Brand: Henan Ruiqite Chemical Industry Co., Ltd.
SKU: UV-312
Availability: InStock

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

Product Details:

Place of Origin:	China
Brand Name:	RQT
Model Number:	UV-312

Payment & Shipping Terms:

Minimum Order Quantity:	1
Packaging Details:	25kg/bag
Delivery Time:	1-3days
Supply Ability:	200tons/mouth

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Detailed Product Description

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Benzotriazole-based UV Absorber UV-312

280-320 nanometers absorption Light Stabilizer 312

Low volatility UV-312

UV Absorber UV-312 for PET/PBT Resins/PA/PC/PVC/PU Light Stabilizer

Product Specifications

Chemical Name	UV absorber UV-312/Light stabilizer 312
English Name	Ultraviolet Absorbent UV-312 (VSU)
CAS Number	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

Applications & Usage

Recommended Dosage: 0.1-0.5%

Key Features & Benefits

Benzotriazole-based UV absorber with excellent UVB absorption efficiency
Absorbs ultraviolet light from 280-320 nanometers with peak absorption at 298 nanometers
Excellent compatibility with various polymer systems
Low volatility and exceptional thermal stability
High absorption efficiency for superior light protection
Non-reactive with metal ions and brighteners
No cross-reaction with photoinitiators

Compatible Materials

Suitable for polyesters, polyvinyl chloride, polyamides, polyurethanes, polycarbonates, poly(methyl methacrylate), acrylic resins, unsaturated resins, cellulose resins, powder coatings, and solvent coatings. Specifically designed for: PA, PC, PVC, PU, and PET/PBT resins.

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