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High-efficiency delayed-action accelerator for sulfur-cured rubber compounds.
Excellent scorch safety and extended processing window during mixing and extrusion.
Enables fast and uniform vulcanization at elevated curing temperatures.
Low volatility and high thermal stability, supporting consistent performance in continuous production.
Compatible with natural rubber (NR), styrene-butadiene rubber (SBR), and butadiene rubber (BR) systems.
Tire treads and sidewalls requiring balanced cure rate and aging resistance.
Industrial rubber goods including conveyor belts and hoses.
Automotive vibration-damping components and engine mounts.
Rubber-to-metal bonded parts demanding precise crosslink control.
| Chemical Type | Diphenylguanidine (DPG)-based thiuram-type accelerator |
| Product Form | Free-flowing granules |
| Appearance | Pale yellow to light brown granules |
| Active Ingredient Content | Approx. 80 wt% DPTU (N,N′-di-tert-butyl-2-benzothiazole sulfenamide) |
| Particle Size Distribution | ≥90% retained on 1.0 mm sieve; ≤5% passes 0.15 mm sieve |
| Moisture Content | ≤0.5 wt% |
| Storage Stability | Stable for ≥12 months at ≤25 °C in original sealed packaging |
| Primary Applications | Sulfur vulcanization of NR, SBR, BR, and their blends |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
