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Antioxidant- 168 distributed by DKSH is tris-(2,4-di-t-butylphenyl)-phosphite acts as an antioxidant. It is a high-effective solid phosphite ester antioxidant, superior to other phosphite ester in the effective protection of polymers' color.
- Often blended with phenolic principal antioxidant (such as AT-10) to prepare composite antioxidant which improves the thermo-stability of polymer processing.
- Antioxidant- 168 is used widely in PP, PE, PC, ABS, PS and PA.
- It is available in Canada.
- Recommended dosage level is 0.1-0.3%.
| CAS Number | 31570-04-4 |
| Chemical Composition: | Tris-(2,4-di-t-butylphenyl)-phosphite |
| Appearance | Powder |
Documents related to Antioxidant- 168
Compliance
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Applications
Recommended markets
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For which polymer
Polyamide (PA) / Nylon|
Polypropylene (PP)|
Polyethylene (PE)|
Acrylonitrile Butadiene Styrene (ABS)|
Polycarbonate (PC)|
Thermoplastics|
Polystyrene (PS)
Availability
Product Status:COMMERCIAL
Antioxidant- 168 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | < 0.3 mg KOH/g | ||
| Melting Point | 183 - 187 °C | ||
| Molecular Weight, Mw | 646 | ||
| Purity | > 99 % | ||
| Transmittance, Visible | > 98 % | At 500nm | |
| Transmittance, Visible | > 98 % | At 425nm | |
| Volatile Content | < 0.3 % | ||