posted 09-29-2004 09:21 AM            

Application: Antioxidant is sterically hindered phenolic antioxidant, exhibiting its highly effective, non discoloring and low volatility character for organic substrates. As a stabilizer, it is recommended and protect organic substrates against t thermo-oxidative degradation.

Antioxidant 1076
Chemical name: Stearyl-3-(3',5'-di-t-butyl-4-hydroxyphenyl) propionate
CAS# 2082-79-3
Refs: Irganox 1076 (CIBA)
Appearance: White Crystalline powder
Melting Range: 50.0-55.0 ¡æ
Volatile Content: 0.20% max
Assay: 99% min
Light transmittance (10g/100ml toluene)
425nm 97% min
500nm 98% min
Packing: 25kg carton box with PE interlocated

Application: Antioxidant 1076 is hindered phenolic antioxidant with its advantages of relatively better heatproof and waterproof character. It can effectively inhibit oxidation and thermal degradation of many organic and polymeric materials.

Antioxidant 168
Chemical name: Tris (2,4-di-t-butylphenyl) phosphite
CAS# 31570-04-4
Refs: Irgafos 168 (CIBA)
Appearance: White powder
Melting Range: 183.0-187.0 ¡æ
Volatile Content: 0.30% max
Assay: 99% min
Light transmittance (10g/100ml toluene)
425nm 98% min
500nm 98% min
Packing: 25kg carton box with PE interlocated

Application: Antioxidant 168 is phosphite type antioxidant with low volatility and extremely resistant to hydrolysis. It provides excellent antioxidant process stability to organic polymers, resistance to discoloration and adds long-term protection against thermo-oxidative degradation after processing.

Antioxidant 215
CAS# 31570-04-4, 6683-19-8.
Refs: Irganox B215 (CIBA)
Appearance: White crystalline powder
Volatile Content: 0.50% max (105¡æ¡À2¡æ£¬2h)
Light transmittance (10g/100ml toluene)
425nm 95% min
500nm 97% min
Antioxidant 215 is a mixuture of antioxidant 1010 and antioxidant 168.
Antioxidant 1010: 29.0-39.0%
Antioxidant 168: 71.0-61.0%
Packing: 25kg carton box with PE interlocated

Antioxidant 225
CAS# 31570-04-4, 6683-19-8.
Refs: Irganox B225 (CIBA)
Appearance: White crystalline powder
Volatile Content: 0.50% max (105¡æ¡À2¡æ£¬2h)
Light transmittance (10g/100ml toluene)
425nm 95% min
500nm 97% min
Antioxidant 215 is a mixuture of antioxidant 1010 and antioxidant 168.
Antioxidant 1010: 45.0-55.0%
Antioxidant 168: 55.0-45.0%
Packing: 25kg carton box with PE interlocated