Physical properties:
The appearance is white grain; Flash point greater than 100℃;It is a bisphosphite product more resistant to hydrolysis than 626.Soluble in toluene, methylene chloride and other organic solvents, slightly soluble in alcohol, insoluble in water.
Performance and Application:
This product is a high-performance solid phosphite ester antioxidant, with excellent thermal stability, can protect the thermal oxygen degradation of polymers in the process of processing, but also has a good protective effect on the color of polymers.When combined with phenolic main antioxidant, it can play an excellent synergistic effect. Widely used in polyolefin, such as polyethylene, polypropylene and olefin copolymers; It can also be used in engineering plastics such as styrene homopolymers or copolymers, polyurethanes, elastomers, adhesives and other organic materials. This product can also be used in combination with light stabilizers, such as hindered amine light stabilizers (HALS), ultraviolet absorbers and other additives.Recommended dosage: 0.05% ~ 0.15%.
Storage and packaging
This product is stable in nature, according to the general chemical storage in a dry and cool environment, sealed storage, it is recommended to use one time after opening the bag; Packed in cartons lined with aluminum foil bags, each carton weighs 25Kg net.
The storage period is 6 months from the date of production
Details
| Appearance | White powder or granule |
|---|---|
| Heating reduction, (80℃)% | ≤1.0 |
| Acid value, mg KOH/g | ≤1.0 |
| 2, 4-di-tert-butylphenol content, % | ≤0.1 |
