
Irgafos168
BASF Irgafos168 is a hydrolytically stable phosphite processing stabilizer as a secondary antioxidant.
CAS number: 31570-04-4
Manufacturer: BASF
Place of origin: Germany
Product Introduction
1. General Introduction
BASF Irgafos168 is a hydrolytically stable phosphite processing stabilizer as a secondary antioxidant. It reacts during processing with hydro peroxides formed by auto oxidation of polymers, preventing process induced degradation and extending the performance of primary antioxidants.
IRGAFOS 168 synergistically combined with other Ciba antioxidants comprises polyolefin and olefin-copolymers such as polyethylene (e.g. HDPE, LLDPE),polypropylene, poly butene and ethylene-vinyl acetate copolymers as well as polycarbonates and polyamides. The blends can also be used in polyesters, styrene homo- and copolymers, adhesives and natural and synthetic tackifier resins, elastomers such as BR, SEBS, SBS, and other organic substrates. IRGAFOS 168 blends can be used in combination with light stabilizers of the TINUVIN and CHIMASSORB range.
IRGAFOS 168 is an organophosphate of low volatility and is particularly resistant to hydrolysis. It protects polymers which are prone to oxidation, during the processing steps (compounding/pelletizing, fabrication and recycling) from molecular weight change (e.g. chain scission/cross linking) and prevents discoloration. It performs best when combined with other Ciba antioxidants. Blends of IRGAFOS 168 with antioxidants of the IRGANOX range (IRGANOX B-blends) and with Hydroxylamine FS042 are particularly effective. The IRGANOX range antioxidants additionally provide storage stability and give the polymer long term protection against thermo-oxidative degradation. IRGAFOS 168 comprised in phenol free systems with other appropriate Ciba stabilizers addresses specific stabilization requirements.
2. Technical Datasheet
SPECIFICATION | VALUE |
Melting Range | 183 to 186°C |
Density (25 °C) | 1.03 g/cm3 |
Powder density | 480 - 570 g/l |
FF density | 480 - 550 g/l |
Solubility (20 °C) | |
Acetone | 1% |
Chloroform | 36% |
Cyclohexane | 16% |
Ethanol | 0.1% |
Ethyl acetate | 4% |
n-Hexane | 11% |
Methanol | < 0.01% |
Methylene chloride | 36% |
Toluene | 30% |
Water | < 0.01% |
3. Package and Delivery
Package Method | 20GP Load Quantity | 20GP Load Net Weight | 20GP Load Gross Weight |
20KG Bag *36 | 20 pallets | 14,400Kgs | 15,000Kgs |
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