Antioxidant 168

Name antioxidant 168
Chemical name Tris-(2.4-di-tert-butyl phenyl phosphite)
Structure
Chemistry formula C42H63O3P
Molecule Number 646.9
Characteristic
It is soluble in resin and has the characteristic of low volatile, high heat-resisting, pump-resisting, impolution and non-discoloration. At present, it is the best processing stabitor in China. It can avoid the polymer a pyrolytic, degradation in the course of squeezing injection moulding (MEK) to keep the polymer s mechanical and aging resisting characteristic.
Purpose
168 is widely used in the field of manufacturing and processing of resin materials. Its usage scope includes: Polyacidamide and alkonc copolymer, polycarbonate and polyamide etc. The compound material can also be used as adhesive, natural or composed adhesive resin, etc.
Index and Specifications
Appearance: White crystal powder melting point: 183 - 187c
Content: e 99% acid: d 0. 15mgKOH/g
Volatile( 105 c two hours) d 0. 25%
Solubility of toluene( 10g /100ml toluene)clear
Photic rate: ( 10g /100ml toluene)
425nm e 99%
500nm e 99%
Store, transportation and package
Pay much attention to the rain, moisture, sunshine and keep away from other objects. Net weight is 25kg /bag.

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