Rhenocure TMTD/C (TMTD) – TMTD accelerator
Ultra-fast thiuram accelerator and sulphur donor. Boosts cure rate as a secondary next to sulphenamides/thiazoles; in sulphurless or low-sulphur 'efficient vulcanisation' systems it is the crosslink source on its own and gives superior heat-ageing resistance.
Technical summary
| Manufacturer | LANXESS — Authorised distributor in Turkey: Mete Kimya |
|---|---|
| Product group | Rubber Accelerators · Vulcanisation accelerator |
| Chemical name | Tetramethylthiuram disulphide |
| CAS number | 137-26-8 |
| Typical dosage | 0.1 – 0.5 phr (secondary) · 1.0 – 3.0 phr (sulphur donor) |
| Form / packaging | Original Lanxess packaging (typically 25 kg); technical and safety data sheets on request |
Applications
- EPDM profiles, hoses and seals
- Heat-resistant NR/SBR technical goods
- Sulphurless (EV) cure systems
- Thin-section products needing fast cure
Benefits
- The strongest secondary for cure rate
- Low compression set in EV systems
- Low-dust C form
Frequently asked questions
Does TMTD form nitrosamines?
Yes, dimethylamine-based thiurams can form nitrosamines; where a nitrosamine-free system is required alternative thiurams/donors are evaluated – we advise per recipe.
How much does TMTD shorten scorch?
Markedly; even 0.2–0.3 phr reduces scorch time. It can be balanced with Vulkalent G.
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