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Quality Chemicals for the Rubber industry




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Accelerators / DPTU

Characteristics

DPTU functions as a medium speed vulcanization accelerator. This product synergizes with a sulphur donor to boost vulcanization when used in NR and SBR.  DPTU needs zinc oxide to be effective.

 

Properties:   Limits:  
  Powder Oil powder Method:
Appearance: White powder White oil powder  
Specific Gravity kg/m3: 1.32 @ 20°C 1.32 @ 20°C  
Melting Point ▫C min: 148.0 148.0 D1519
Heat Loss, % max: 0.40 0.30 D5460
Ash, % max: 0.40 0.30 D5474
Residue on sieve (63 μm): 0.50 0.50 D5461
Residue on sieve (150 μm): 0.10 0.10 D5461
Oil content, %: 0.0-2.0 - QB2007-09