Other name of UV stabilizer
UV absorber,UV additive
Chemical Name: 2-Hydroxy-4-Octyloxy Benzophenone (Benzophenone-12)
CAS NO: 1843-05-6
Property of UV 531
UV stabilizer additives freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly
soluble in ethane dichloride.
Characteristic
UV stabilizer 531 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.
uv stabilizers in plastics can protect the polymer to its maximum extent, helps to reduce the color.uv stabilizers in
plastics can also delay the yellowing and obstacle the loss of its physical function.
Technial index of UV stabilizer UV 531
item
UNIT
index
Appearance
yellowish crystalline powder
Content
%
99.0min
Melting Point
°C
47-49
Loss on drying(55±2°C)
%
0.5max
Content of Ash
%
0.1max
Light Transmittance(450nm)
%
90min
Light Transmittance(500nm)
%
95min
Applicaitons
UV stabilizer additives is widely applied one plastics such as 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.
Package:
25kg/drum, packed in cardboard drums lined with plastic bags
WSD CHEMICAL LIMITED
WSD chemical established in 2000,we are professional engaged in the research, development, production, sale and service of PVC additives. We are located in Shengzhou City,Zhejiang,China, near to Shanghai, Hangzhou ,Ningbo, YIwu .and have convenient transportation access.
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