Product Description
Excellent Compatibility Low Volatility Light Stabilizer UV Absorber Powder UV944
CAS NO.: 70624-18-9
Formula
:
[C
35
H
66
N
8
]
n
(n=4-5)
Structure
:
M
olecular Weight
:
2100-3000
Appearance
:
White powder or light-yellow granules
Melting Range
:
110-130ºC
Volatile Matter
:
≤0.5%
Relative Density
:
1.01g/cm
3
Weight Loss Point
:
371ºC(5.0%)
Light Transmittance
:
425nm: ≥93.0%; 450nm: ≥95.0%
Ash Content:
≤0.1%
Solubility
:
Soluble in acetone, toluene, xylene, ethyl acetate, ethanol ,chloroform; Slightly soluble in methanol;
Insoluble in water
Features and Application Area
:
944 is a high molecular HALS with low volatility, migration resistance, high temperature resistance etc., has synergetic effect with antioxidants and UV absorbers. HALS 944 is highly effective in PE/PP/PS/PA/PU/PVC, especially in films and fibers
Cautions
:
Avoid sunlight, moisture, and high temperature, substances with sulfur or halogen such as some stabilizers, flame retardants and pesticides. Testing required before use
Pack & Store
:
25kg carton inner with plastic bag or as customer's requirement