Leadstab<sup>®</sup> AO PQ
Leadstab<sup>®</sup> AO PQ
Leadstab® AO PQ
Leadstab AO PQ is a secondary phosphite antioxidant that provides good processing performance and excellent long-term thermal stability, effectively reducing thermal yellowing during processing.
CAS number: 119345-01-6
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Product Description
Chemical name : Phosphorous trichloride, reaction products with 1,1'-biphenyl and 2,4-bis(1,1-dimethylethyl) phenol
CAS number : 119345-01-6
Formula :

C₆₈H₉₂O₄P₂

M.W. : 1035
Chemical structure :  

Leadstab<sup>®</sup> AO PQ

 

Specification

Appearance

White to light yellow powder

Purity

65.0% min

Volatility

0.50% max

Melting point

95.0-110.0°C

 

Application

Leadstab AO PQ is suitable for polymers such as PP, PA, PU, PC, EVA, PBT and ABS. An addition amount of 0.10–0.15% can demonstrate excellent effectiveness. It is particularly well-suited for engineering plastics, including PC, PET, PA, PBT, PS, PP, PE-LLD, and EVA systems, significantly improving color stability and melt index stability under high-temperature melt processing conditions. It exhibits good compatibility with base resins. When used in combination with hindered phenolic antioxidants such as Leadstab AO 1010, it shows a synergistic effect, markedly enhancing the long-term aging resistance of polymers.

 

Package

The packaging is 20kg aluminum foil bag.

 

Storage

Keep containers tightly closed in a cool, well-ventilated place.

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