Accelerator ZMBT (Zinc 2-Mercaptobenzothiazole)
CAS Number: 155-04-4
Zinc 2-Mercaptobenzothiazole (ZMBT) is the zinc salt of MBT, offering faster vulcanization than MBT with reduced scorching tendency. It is a semi-safe accelerator used primarily in latex systems and as a secondary accelerator in dry rubber compounds. ZMBT provides good aging resistance and is widely used in NR, SBR, and NBR compounds for footwear, industrial goods, and latex dipped products.
Technical Specifications
| ash (%) | ≤0.50 |
| appearance | Pale yellow powder |
| purity (%) | ≥96.0 |
| moisture (%) | ≤0.50 |
| zinc content (%) | 19.0–20.5 |
| melting point (°C) | >250 (decomp.) |
Applications
- Latex dipped products (gloves, balloons)
- Footwear and shoe sole compounds
- NR and SBR industrial rubber goods
- NBR oil-resistant seals and gaskets
- Mixed accelerator booster systems
Key Features
- Faster cure than MBT with better scorch safety
- Suitable for latex and dry rubber applications
- Good aging and heat resistance in vulcanizates
- Low staining characteristics for light-colored compounds
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