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S25-Curing Agent for Silicon rubber Silibase-S25

Name:Silicon rubber Curing Agent 

Item No.: Silibase-S25
Descriptions:

This product is the high concentration liquid curing agent, used as a crosslinking temperature 

silicon rubber, vulcanized rubber with high tensile strength, tear strength and small compression

 permanent deformation. Sulfide products non-toxic, no odor. Widely used in does not require anti 

yellow button, seals and other miscellaneous pieces of silicone rubber products, and has low cost.

 Short time two vulcanization non yellowing. The utility model can be used for EPDM and 

unsaturated polyester.

This product is unstable chemical substance, high temperature and decomposed into free radicals,

 induced crosslinking.

 

Chemical name:

1: 2.5- two methyl -2.5- Di tert butyl peroxide hexane (FDA approved);

CAS NO.: 78-63-7 

Formula: 


Content: 92%, 50%


Physical properties:

Appearance                                       light yellow transparent oily liquid

The melting point                                           8℃

The boiling point                                    50 -52℃ ( 13Pa ) 

The proportion                                     ( 25℃ ) 0.863 -0.866 g /cm3 

Safe operating temperature                                 135 ℃

Significant cross-linking temperature                         175 ℃

Dosage (relative Mix)                                      0.4-0.6%

 

Final decomposition: methane, ethane, ethylene, acetone, butanol and pentanol, volatile matter

Stability:

 

Notes:
1, avoid contact with the eyes;

2, avoid contact with rust, a heavy metal compound, metal salt, desiccant, etc.;

3, keep sealed when not in use.


Packaging and storage:

Package: 25 KG / barrel.

Storage: 25 ℃, light, avoid heat, away from heat ventilation at;

Shelf life: 12 months

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