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Quality Chemicals for the Rubber industry

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Accelerators / MBT


MBT is a moderately fast curing primary accelerator for natural and synthetic rubbers. It is used for NR, IR, SBR, NBR, HR and EPDM. MBT is one of the most well used acidic accelerators and a medium to fast primary accelerator.


Properties:   Limits:  
  Powder Granules Method:
Appearance: Light yellow powder Light yellow granules  
Specific Gravity kg/m3: 1.52 @ 20°C 1.52 @ 20°C  
Melting Point ▫C min: 171.0 171.0 D1519
Heat Loss, % max: 0.40 0.40 D5460
Ash, % max: 0.40 0.30 D5474
Residue on sieve (63 μm): 0.50 - D5461
Residue on sieve (150 μm): 0.10 - D5461
Oil content, %: 1.0-2.0 - QB2007-09