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Trigonox®101-45D-pd 45D-Curing Agent for natural and synthetic rubbers Silibase-45D

Product Name: Crosslinking of natural and synthetic rubbers

Other Names: curing agent, curing ingredient,vulcanizing agent,vulcanizater  

crosslinking agent, cross linking agent, bridging agent

accelerant, accelerating agent, accelerator, cure accelerator for silicone rubber

Item NO.: Silibase-45D

Equivalent Product: Trigonox®101-45D-pd 


Product description

Silibase-45D is a bifunctional peroxide formulation which is used for the crosslinking of natural

and synthetic rubbers, as well as thermoplastic polyolefins. 


Major decomposition products

Methane, Ethane, Acetone, tert-Butanol, tert-Amylalcohol 


2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane, powder 

45% on calcium carbonate and silica

Molecular weight :                            290.4 

Active oxygen content peroxide :                11.02% 

actual product :                               4.84-5.06% 

CAS No. :                                   78-63-7 

EINECS/ELINCS No. :                        201-128-1 

TSCA status :                                listed on inventory 



Appearance :                               Off-white powder 

Assay :                                    44.0-46.0% 


Density, 20°C :                             1.350 g/cm³

Bulk density, 20°C :                         445 kg/m³



Silibase-45D is used for the crosslinking of natural and synthetic rubbers, as well as thermoplastic


• Rubber compounds containing Silibase-45D have excellent scorch safety. 

• Safe processing temperature: 135°C (rheometer ts2 > 20 minutes). 

• Typical crosslinking temperature: 175°C (rheometer t90 about 12 minutes).

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