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High-efficiency sulfenamide-type accelerator for NR, SBR, and BR rubber compounds.
Optimized delayed action profile ensuring excellent scorch safety during processing.
Delivers fast and balanced vulcanization kinetics with improved crosslink density.
Compatible with standard sulfur-cure systems and commonly used accelerators (e.g., CBS, TBBS).
Supplied as free-flowing granules for dust-free handling and uniform dispersion in rubber masterbatches.
Passenger car and truck tire treads and carcasses.
Industrial rubber goods including conveyor belts and hoses.
Automotive vibration-damping components (e.g., engine mounts, bushings).
Rubber-to-metal bonded parts requiring consistent cure performance.
General-purpose molded and extruded rubber products.
| Chemical Type | N-(Cyclohexylthio)phthalimide (CPTP) – sulfenamide derivative |
| Product Form | Free-flowing granules |
| Appearance | Pale yellow to light brown granules |
| Active Content | ≥ 50 wt% (NAST-50 component) |
| Carrier System | ACM-based polymeric carrier (GE1858) |
| Particle Size Range | 0.3–1.2 mm (90% retained on 250 µm sieve) |
| Moisture Content | ≤ 0.5 wt% |
| Storage Stability | ≥ 12 months at ≤ 25°C in original sealed packaging |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
