UV-328 CAS br.25973-55-1

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uv-328 is a benzotriazole type ultraviolet light absorber, impacting good light stability for plastics and other organic polymers. uv-326 is especially suited for polyolefins ad cold cured polyesters. it protects polymers from uv radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins.

Ostala imena: TINUVIN 328; EVERSORB 74

Appearance:  Light yellow powder

Rastvorljivost: Bistra otopina, bez nerastvorljivog

Talište: 79-87

Sadržaj isparljivih sastojaka: max. 0.5%

Sadržaj pepela: 01% maks

Propusnost: 460nm 96.0% min

                         500nm 97.0% min

UV-328 is a light stabiizer with good performance, capabie of absorbing the UV radiation of 240-340nm wavelength with the characteristics of light color ,non-toxic, 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 yelowing 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 pn drying phenol aldehyde, vanish or alcohol and acname, polyurethane, acrylate, expoxnamee etc.

Aplikacije

Za polipropilen

ABS: 0.3-0.5 WT% na osnovu mase polimera

PS: 0.2-0.3 WT% na osnovu mase polimera

HIPS: 0.2-0.3 WT% na osnovu mase polimera

Za polietilen visoke gustoće 0.2-0.3 WT% na osnovi mase polimera

Za poliamin: 0.2-0.3 WT% na osnovu mase polimera

Za poliester: 0.2-0.3 WT% na osnovi mase polimera