Antioxidant RCA-168
DESCRIPTION
Antioxidant RCA-168 is a phosphite ester stabilizer. As a secondary antioxidant, it has good synergistic with primary antioxidant and is usually sued in combination antioxidant ,such as 1010, 1076. It is organophosphite of low volatility and is particularly resistance to hydrolysis.
PROPERTY: Solube in benzene, chloroform, sparingly soluble in alcohol, insoluble in water.
CHEMICAL NAME: Tris -(2.4-di-tert-butyl)-phosphite
CHEMICAL FORMULA C42H63O3P
CHEMICAL STRUCTURE
CAS NO.:31570-04-4
MOLECULAR WEIGHT: 647
PRODUCT FORM: White powder or grain
PACKAGE & STORAGE
Package:25 kg with plastic bag in composite plastic woven sack, or according to customs’ requirements.
Storage: Keep tightly sealed and stored in a cool, dry and well-ventilated area.
APPLICTION
• It has good synergistic with primary antioxidant and is usually used in combination antioxidant ,such as 1010, 1076.
• It can be widely used for PE, PP, PC resin and so on.
• The amount to be used may be 0.1%-1.0%..
TYPICAL PROPERTIES
Test |
Specification |
Assay (%) |
Min. 99.00 |
Melting Point (℃) |
183.0-187.0 |
Volatile (%) |
Max. 0.30 |
Transmittance (%) |
|
425nm |
Min. 98.00 |
500nm |
Min. 98.00 |
Clarity of solution |
Clear solution |
Content of 2,4-di-tert-butyl-phenyl (%) |
Max. 0.20 |
Acidity(mgKOH/g) |
Max. 0.20 |
Hydrolatic stability |
Pass |
NOTE
The above information is provided as guidelines only. It is important that the customer evaluate any product in their own resin system to determine suitability.