UV Stabilizer UV-531 for Plastics Ultraviolet Absorbent

• CAS No.: 1843-05-6
• Formula: C21h26o3
• EINECS: 217-421-2
• Environmental Protection: Yes
• Color: Yellow
• Kind: UV Absorbers
• Model NO.: UV-531
• Appearance: Powder
• Application: Plastics
• Package: 25kg/Drum
• Transport Package: 25kg/Drum
• Specification: 99.9
• Trademark: WSD
• Origin: China
• HS Code: 2914509090
• Production Capacity: 100mt

Product Description

UV stabilizer UV-531

Chemical Name:UV531 UV absorber
Chemical Formula:C21H26O3 CAS NO.:1843-05-6

Technical index:

item	index
Appearance	Light yellow needle-like powder
Content	≥99%
Melting Point	47-49°C
Light Transmittance:	450nm>90%
	500nm>95%
Solubility (25°C) (g/100g Solve NT):	Acetone: 74
	Benzene 72

Characteristics

This product is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function.

Applications:

It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc.Its dosage is 0.1%-0.5%.