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Quality Chemicals for the Rubber industry

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Accelerators / DPG


DPG functions as a mid-speed vulcanizing accelerator for natural rubber or synthetic rubber. It is used as a secondary accelerator with thiazoles and sulphenamides in NR and SBR compounds. DPG can be used in latex as a secondary gelling agent (foam stabilizer) in the silico-fluoride foam process.


Properties:   Limits:  
  Powder Granules Method:
Appearance: Grey-white powder Grey-white granules  
Specific Gravity kg/m3: 1.13 @ 25°C 1.13 @ 25°C  
Melting Point ▫C min: 145.0 145.0 D1519
Heat Loss, % max: 0.40 0.30 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