Light Stabilizer UV-3853

Light Stabilizer UV-3853
Chemical Name:2,2,6,6-Tetramethyl-4-piperidinyl stearate(fatty acids mixture)

Trade Name: CYASORB UV-3853 Light Stabilizer

CAS No.: 167078-06-0/86403-32-9Euro

EC No.: 605-462-2/415-430-8Euro
Properties: It is White to yellowish waxy solid or liquid.Its melting point is more than 28C, the specific gravity (20 C) is 0.895. It is insoluble in water and easy to soluble in toluene etc.The additive amount of UV3853 is suggested in 0.1-3.0%.
The product has the following characteristics: 1) It has good synergistic effect with other hindered amine light stabilizers, especially the one with high molecular weight (for example 944, 119) and benzoate UV absorbers (for example UV328). 2) It can make the color stability, gloss retention and durability of polyolefin-based product are very good. 3) Compared with other low molecular weight hindered amine light stabilizers, it has good compatibility and solubility with polyolefin.