High Quality PVC UV Absorber UV531 for PC Organic Glass

• CAS No.: 1843-05-6
• Formula: C21h26o3
• EINECS: 217-421-2
• Certification: ISO
• Environmental Protection: Yes
• Color: White or Light Yellow
• Model NO.: 531
• Kind: Stabilizer
• Appearance: Powder
• Transport Package: 25kgs/Drum
• Specification: 99%
• Trademark: N/M
• Origin: China
• Production Capacity: 8000 Tons Per Year

Product Description

Highly Effective Ultraviolet Absorber UV531

CAS NO.:1843-05-6

Structure:

Chemical Name:2-Hydroxy-4-n-octoxybenzophenone

Formula:C21H26O3

Molecular Weight:326.43

Appearance:Light yellow crystalline powder

Melting Point:47-49ºC

Volatile Matter:≤0.5%

Relative Density:1.16g/cm3

Weight Loss Point:202ºC(5.0%)

Light Transmittance:450nm: ≥90.0%;500nm: ≥95.0%

Ash Content:≤0.1%

Solubility:Soluble in acetone, benzene, n-heptane, n-hexane; Slightly soluble in methanol and ethanol

Features and Application Area:UV-531 is a high performance anti-aging agent, absorbs 240-340nm of ultraviolet light, Light color, non-toxic, good compatibility, small migration, easy processing and so on. Widely used in PE, PVC, PP, PS, PC,PMMA, EVA, PU, etc.

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, nontoxic , good compatibility, small mobility, easy processing etc. 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. 

It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde,varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%

Cautions: This product is nontoxic, inflammable, noncroddible and well stable

Avoid direct sunlight, moisture, high temperature.Testing required before use.

Pack & Store:25kg carton inner with plastic bag or  as customer's requirement.