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Send EmailZinc Mercaptobenzothiazole, Accelerator, ZMBT, ZMBT-80, 155-04-4
🧪 ZMBT (Zinc Mercaptobenzothiazole)
CAS No: 155-04-4 Chemical Formula: C₇H₅NS₂Zn Appearance: Light yellow to brown powder Packaging Type: Typically 25 kg bags or granules
⚙️ Technical Specifications
| Property | Value / Description |
|---|---|
| Active Content (%) | ~100 |
| Melting Point | ~250 °C |
| Nitrosamine Risk | Moderate |
| Dispersion | Medium |
| Toxicity | Low |
🏭 Application Areas
| Sector | Description |
|---|---|
| Natural Rubber | Used as a secondary accelerator offering a broad curing range. |
| Synthetic Rubber (SBR, NBR, EPDM) | Widely applied in technical rubber systems. |
| Latex Products | Usable in low doses; curing speed is moderate. |
| Medical Products | Limited use due to nitrosamine risk. |
| Technical Rubber | Ideal for hoses, gaskets, vibration parts requiring durability. |
| Corrosion Inhibitor | Also used in metal surface protection formulations. |
✅ Advantages
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📊 Broad curing range: Offers flexibility in formulation.
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🧪 Good aging resistance: Ensures long-term durability in technical rubber.
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🔁 Versatile usage: Functions as both accelerator and corrosion inhibitor.
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🧼 Low toxicity: Safe for industrial handling.
⚠️ Precautions
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Moderate curing speed — may require combination with faster accelerators.
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Thermal degradation risk — process temperature must be controlled.
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Nitrosamine risk — not preferred in medical or food-contact applications.
🧩 ZMBT Sectoral Suitability Table
| 🏭 Sector | ✅ ZMBT Suitability | 📌 Notes |
|---|---|---|
| 🔘 Natural Rubber | ✅ High | Offers broad curing flexibility. |
| 🧪 Synthetic Rubber (SBR, NBR) | ✅ High | Common in technical rubber. |
| 🧼 Latex Systems | ✅ Medium | Usable in low concentrations. |
| 🚗 Automotive Tires | ✅ High | Suitable as a secondary accelerator. |
| 🧴 Medical Products | ⚠️ Limited | Nitrosamine risk limits use. |
| 🧱 General Industrial Rubber | ✅ High | Well-suited for molded goods. |
| 🧯 Technical Rubber | ✅ High | Ideal for hoses, seals, vibration parts. |
🧪 ZMBT – Synonyms and Trade Names
| Descriptor Type | Alternative Names |
|---|---|
| Chemical Names | Zinc Mercaptobenzothiazole |
| 2-Mercaptobenzothiazole zinc salt | |
| Çinko Merkapto Benzotiyazol (Turkish) | |
| Abbreviations | ZMBT |
| ZMBT-80 (masterbatch form) | |
| Trade Names | Rhenogran ZMBT |
| Vulkacit ZMBT | |
| Altax ZMBT | |
| Accelerator MZ | |
| CAS Number | 155-04-4 ✅ |
