Antioxidant 626

Antioxidant 626 is an excellent phosphite ester antioxidant with high thermal stability. This productcan be used with the main antioxidant, especially with hindered phenolic antioxidants. It can improve the processing and use stability of the product, prolong the service life.
  • Product Origin:

    China
  • Type:

    Antioxidant 626
  • Appearance:

    White Powder
  • Package:

    25 Kgs Carton
  • Product Detail

Chemical Name:

Bis(2. 4-di-t-butylphenyl)Pentaerythritol Diphosphite


CAS#:

26741-53-7


Specification:

      Appearance         
                    White powder                 
Melt point 
170-180℃
Assay
≥95.0%
Volatiles
≤1.0%
Acid value
≤1.0 mg KOH/g
2,4-DTBP
≤1.0%


Application:

Antioxidant 626 is a kind of high-effective solid phosphite ester antioxidant, which is superior to other phosphite ester in the effective protection of polymers color. It is often blended with phenolic principal antioxidant(such as At-10)to prepare composite antioxidant which improves the thermo-stability of polymer processing, thus making it widely applied in PE, PP, PS, PA, PC, ABS and many other polymer materials.

Packaging and storage: 
It is packed in a paper-plastic compound bag lined with a plastic bag, each bag has a net weight of 20kg, and can also be designed according to customer requirements. Store in a dry and cool environment according to general chemicals. The recommended storage time is 12 months.

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