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1. UV absorber UV-9 light transmittance is 290-400
2. UV absorber UV-9 Mainly used on plastics, paints.
Chemical Name:
2-Hydroxy-4-Methoxybenzophenone (Benzophenone-3)
CAS NO : 131-57-7
Molecular Formula: C14H12O3
Property of UV absorber UV-9
Ultraviolet absorbers is yellowish crystalline powder, freely soluble in most organic solvents, not soluble in water.
Characteristics of UV-9
This product is a high efficienct UV radiation absorbing agent, capable of effectively absorbing UV radiation
of 290-400 nm wavelength ,but it almost does not absorb visible light, particularly applicable to light-colored
transparent products. ultraviolet absorbers is well stable to light and heat, not decomposable below 200°C,
Technical index of UV absorber UV-9
item |
UNIT |
index |
Appearance |
|
yellowish crystalline powder |
Content |
% |
99.0min |
Melting Point |
°C |
62-65 |
Loss on drying(55±2°C) |
% |
0.3max |
Content of Ash |
% |
0.1max |
Light Transmittance(290-400nm) |
% |
93min |
Applications of UV absorber
Ultraviolet absorbers mainly used on paint and plastic cosmetics products,such
as PVC,PS,PUT, acrylic resin, with the dosage of 0.1-0.5%.
Package :
packed in cardboard drums lined with PE bags with N.W 25 kg
1. UV absorber UV-9 light transmittance is 290-400
2. UV absorber UV-9 Mainly used on plastics, paints.