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Quality Chemicals for the Rubber industry

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Accelerators / OBTS (MBS)


OBTS is an excellent after-effect accelerator mainly used in the manufacture of tires. It is a vulcanizing accelerator with delayed reaction and short cure time.  OBTS is widely used in NR, IR, SBR, NBR and EPDM and can be used alone or with other vulcanization accelerators such as thiurams, guanidines and dithiocarbamates to improve activity.


Properties:   Limits:  
  Powder Granules Method:
Appearance: Light yellow crystals Light yellow granules  
Specific Gravity kg/m3: 1.40 @ 25°C 1.40 @ 25°C  
Melting Point ▫C min: 80.0 80.0 D1519
Heat Loss, % max: 0.50 0.50 D5460
Ash, % max: 0.30 0.30 D5474