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TIANSORB 234

CAS NO.:

70321-86-7

Chemical name:

2-(2'-hydroxy-3'5'-bis(a,a-dimethylbenzyl)phenyl)benzotriazole

Molecular Formula:

C30H29N3O

Molecular weight:

447.6

Structural Formula:

Specification :

Appearance: Slight yellowish powder
Assay: 99.0%rain
Melting range: 137-141℃
Volatile: 0.2%max
Ash: 0.1%max
Light Transmittance: 460nm 97%min
550nm 98%min
Solubility(20℃)(%w/w): Acetone 2,Chloroform 35,Cyclohexane 5,Ethanol 0.3, Methanol 0.1%max,Ethyl acetate 4, n-Hexane 0.6, Methylene chloride 34,Toluene 20
Application: Tiansorb 234 is a fine light stabilizer, has good compatibility with most polymers, especially suitable for PP, TPE, hard PVC, POM, PA, PC, PBT/PET, PMMA ,etc.
Uses:

PC, 0.2-0.4 wt % based on polymer weight;
Propenoic acid, 0.1-0.3 wt % based on polymer weight;
PET, 0.1-0.3wt % based on polymer weight.
Advantage:
Low volatility during high processing temperature;
Odorless, does not bring smells to the polymers;
High resistance to thermal degradation
No effect on initial color of substrate

Toxicity and safety:

Tiansorb 234 can be safely handled without any irritation to the skin.

Packing:
Fiber drum or cardborad drum inner lining plastic bag, each drum 20kg net weight or as required by the customers.
Storage:
Tiansorb 234 should be stored in a close system and kept in a dry, close and shade place
 
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