Product Name:UV absorber UV-329
Chemical name:2-(2' -hydroxy-5 '-teroctyl) phenylbenzotriazole
CAS
3147-75-9
MF
C20H25N3O
Appearance
White-light yellow powder
Mol.Wt.
323
Purity
≥99%(HPLC)
Volatile matter
≤0.3%
Product Name
UV absorber UV-329
Chemical name
2-(2' -hydroxy-5 '-teroctyl) phenylbenzotriazole
Appearance
White-light yellow powder
Melting point
103-105.3 ℃
Transmittance
440nm ≥97% ; 500nm ≥98%
Product features and applications
1. UV329 is a UV light that can effectively absorb 270-380 nanometers of ultraviolet light. It is non-flammable, non-explosive, non-toxic, safe and harmless to use.
2. UV329 product hardly absorbs visible light and is especially suitable for colorless, transparent and light-colored products.
3. UV329 is suitable for polyester, rigid polyvinyl chloride, polystyrene, polymethylmethacrylate, polycarbonate, ABS resin, etc. It is particularly effective in transparent products and engineering plastics processed at high temperatures. This product can also be used on polyolefins.
Recommended dosage
PS ABS PE PVC Polyester
0.2-0.5 % 0.3-0.5% 0.2-0.4 % 0.2-0.5 % 0.3-0.5%
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