Irganox® XP 620 is basically a blend of 33% IRGAFOX 126, 50% IRGANOX 1010 and 17% HP-136. Acts as a high performance stabilizer system.
Details
Blend of 33% bis(2,4-di-t-butylphenyl)pentaerythritol diphosphite, 50% pentaerythritol tetrakis[3-[3,5-di-tert-butyl-4-hydroxyphenyl]propionate] and 17% 5,7-di-t-butyl-3-(3,4 di-methylphenyl)-3H-benzofuran-2-one
- improves original melt flow
- low initial color
- outstanding color maintenance
- cost/performance improvements in polymer stabilization
- carbon-centered radical scavenger
- low volatility
- protects the polymer during processing by decomposing the hydroperoxides
- contributes synergistically to polymer stabilization during processing
- provides long-term thermal stability by preventing degradation
It is approved for food contact applications.
Its recommended dosage rate is 0.05-0.15%.
compatible with elastomers, HDPE, polypropylene, engineering plastic including aliphatic polyketone, styrene homo- and copolymers and polyurethanes.
Technical data
Quantity | Value | Unit | Comment |
---|---|---|---|
Appearance Properties | |||
Physical state | powder | ||
Appearance | |||
Physical Properties | |||
Molecular weight | 350 | g/mol | HP-136 |
Molecular weight | 1178 | g/mol | IRGANOX 1010 |
Bulk density | 0.45 - 0.55 | g/ml | |
Molecular weight | 604 | g/mol | IRGAFOX 126 |
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