Hindered light stabilizer 783 CAS 70624-18-9 and 70198-29-7 UV 783 UV stabilizer 783

item

light stabilizer 783

CAS No.

70624-18-9+70198-29-7

Molecular formula

[C35H64N8]n (n=4-5); [C28H52O4N2]

Place of Origin

Jiangsu, China

Characteristics

Chemical Auxiliary Agent

Appearance

White or light yellow solid

Light transmittance

≥90% （ 425nm ） ≥91.5% （ 450nm ） ≥93%
（500nm）

Chroma(Apah)

≤120

Melting point

50-130℃

Volatiles

≤0.5%

Ash

≤0.1%

Features

Light stabilizer 783 is a kind of high molecular weight compound hindered amine light stabilizer, which has the characteristics of excellent light stability and long term thermal stability, low volatility and extraction resistance, and has good compatibility with most polymers.

Applications

The product is suitable for polyolefin materials, particularly effective in PP fiber, tape, thin or thick LLDPE, LDPE products. It can effectively prolong product service life.