Appearance pale yellow crystalline powder
Melting point(¡æ) 46.5 ~ 49
Ash content£¨%£© ¨q0.10
Volatile loss (%) ¨q0.50
Transmittance(440nm) (%) ¨r79.0
Transmittance(460nm) (%) ¨r89.0
Assay£¨%£© ¨r99.0

Tancals 531 is a benzophenone light stabilizer, capable of absorbing the uv
Radiation of 240-340nm wavelength. It is of light color, non-toxicity, good
Compatibility, small mobility and easy processing. It is widely applied to
Pe, pvc, pp, ps, pc organic glass, pp fiber, ethylene-vinyl acetate etc.
Moreover, it has very good light-stability on drying phenol aldehyde, varnish of
Alcohol, polyurethane, acrylate, etc.

20kg/pc