VANOX ZMTI (CAS 61617-00-3) Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Value | Comparison with MBZ |
|---|---|---|
| Chemical Name | 2-Mercaptomethylbenzimidazole Zinc Salt | Higher thermal stability |
| CAS No. | 61617-00-3 | Same regulatory approval |
| Molecular Formula | C16H14N4S2Zn | Lower zinc content (18-20%) |
| Appearance | White free-flowing powder | Non-staining advantage |
| Solubility | Soluble in acetone/ethanol Insoluble in benzene/gasoline/water |
Similar solvent compatibility |
2. Key Applications
2.1 Primary Functions
- Non-staining antioxidant for natural rubber (NR) and synthetic rubbers (SBR, BR, NBR)
- Synergistic thermal aging protection when combined with amine/phenolic antioxidants
- Metal deactivator in copper-containing systems
2.2 Industry Applications
| Industry | Application Examples |
|---|---|
| Automotive | Engine mounts, coolant hoses, tire inner liners |
| Consumer Goods | Transparent rubber seals, colored shoe soles |
| Industrial | Conveyor belts, vibration dampeners |
3. Technical Parameters
| Property | Test Method | Specification |
|---|---|---|
| Initial Melting Point | ASTM D1519 | ≥270°C |
| Heating Loss | ISO 247 | ≤1.25% |
| Ash Content | ISO 247 | ≤0.4% |
| Zinc Content | ICP-OES | 18-20% |
| Particle Size | ISO 8511 | ≤0.1% residue on 200 mesh |
4. Usage Guidelines
4.1 Recommended Dosage
- General use: 1.0-2.0 phr
- High-temperature applications: 2.0-3.0 phr
- Combination with amine antioxidants: 1:2 ratio
4.2 Processing Notes
- Add during compounding phase with other powders
- No pre-dispersion required
- Compatible with most curing systems
5. Industry Case Studies
Case 1: Automotive Hose Manufacturer
Challenge: Premature cracking in EPDM coolant hoses at 125°C
Solution: 1.5 phr VANOX ZMTI + 1.0 phr TMQ
Result: 40% improvement in heat aging resistance (ASTM D573)
Case 2: Medical Device Supplier
Challenge: Discoloration in silicone respiratory masks
Solution: 0.8 phr VANOX ZMTI + UV stabilizer
Result: Maintained color stability after 1,000 hr QUV exposure
6. Technical Support & Custom Solutions
Contact our rubber additives specialists for formulation optimization:
Email: info@vivalr.com
Tel: (86) 15866781826
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