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 |