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SUNCHEM
N-(cyclhexy thio) phthalimid
N-(cyclohexylthio)phthalimide (CTP) is a pre-vulcanization inhibitor (PVI) and scorch retarder widely used in rubber compounding to extend the processing safety period without adversely affecting vulcanization rate or crosslink density. It is the industry standard pre-vulcanization inhibitor for sulfur-cured rubber systems. SUNCHEM supports international buyers with…
17796-82-6
- Lot COA with every shipment
- Samples for your trials
- Technical support for your trial
Product overview & key benefits
N-(cyclohexylthio)phthalimide (CTP) is a pre-vulcanization inhibitor (PVI) and scorch retarder widely used in rubber compounding to extend the processing safety period without adversely affecting vulcanization rate or crosslink density. It is the industry standard pre-vulcanization inhibitor for sulfur-cured rubber systems. SUNCHEM supports international buyers with N-(cyclhexy thio) phthalimid sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.
Technical specifications
| Property | Reference value |
|---|---|
| Density | 1.31 g/cm3 |
| Melting Point | 90 ºC |
| Boiling Point: | 422.6 ºC at 760 mmHg |
| Flash Point | 209.4 ºC |
| Appearance | White or light yellow powder crystal |
Existing product reference data. Confirm the specification of the offered grade before ordering.
Applications by polymer
Pre-vulcanization inhibitor (scorch retarder) for rubber
Processing safety period extension in rubber compounding
Compatible with thiazole and sulfenamide accelerators
Natural and synthetic rubber processing additive
Tire and rubber goods manufacturing
Prevention of premature vulcanization during mixing
Rubber compound processing aid
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