In high-end latex dipping lines, medical rubber processing, and translucent elastomer compounding, achieving rapid vulcanization curves at lower temperatures while preserving chemical neutrality is paramount. Rubber Accelerator ZMBT (widely recognized as MZ) stands as the industry-standard semi-ultra thiazole accelerator. Chemically classified as Zinc 2-mercaptobenzothiazole (CAS No. 155-04-4), ZMBT provides excellent processing safety and lower scorching tendencies compared to free MBT. Because it disperses flawlessly in water-based latex systems without altering colloidal viscosity, ZMBT has become an irreplaceable choice for gloves, elastic threads, and food-grade mechanical seals globally.
Technical Product Specifications
| Property / Parameter | Standard Specification |
|---|---|
| Chemical Name | Zinc 2-mercaptobenzothiazole (ZMBT / MZ) |
| CAS Number | 155-04-4 |
| Molecular Formula | C14H8N2S4Zn |
| Appearance | Light yellow or off-white fine powder / dust-free granules |
| Zinc Content (%) | 15.0% – 18.0% |
| Loss on Drying (%) | ≤ 0.50% |
| Free MBT Content (%) | ≤ 1.00% |
| Sieve Residue (150 μm / 100 mesh) | ≤ 0.10% |
Why Choose Our ZMBT Accelerator?
- ✓ Outstanding Latex Emulsion Stability: ZMBT dissolves easily into water-base surfactant slurries without causing premature coagulation or shifting chemical equilibrium thresholds inside latex compounds.
- ✓ Extended Scorch Margin & Bitterless Profile: Offers better processing safety windows during dynamic mixing than raw MBT, and contributes to zero residual bitterness, making it ideal for medical or oral contact articles.
- ✓ Synergistic Activation Capacity: Acts as a highly efficient secondary booster when coupled with dithiocarbamates (ZDEC/ZDBC) or thiurams, allowing compounders to adjust vulcanization density fields freely.
Primary Applications
Accelerator ZMBT is universally utilized in Natural Rubber (NR), Nitrile Rubber (NBR), Styrene-Butadiene Rubber (SBR), and raw latex systems:
Medical & Surgical Latex Dipping
A foundational primary choice for premium examination gloves, condoms, flexible surgical catheters, and hypoallergenic elastic threads.
Food-Grade & Consumer Elongations
Extensively selected for infant bottle nipples, transparent feeding elements, pharmaceutical closures, and clean silicone-rubber food seals.
Light-Colored Molded Goods
Selected for non-staining athletic footwear outsoles, diving masks, canvas shoe bindings, and pastel dynamic shock absorbers.
Quality Assurance & Global Compliance
As a leading global partner in industrial chemical manufacturing, we understand that raw material purity, molecular consistency, and strict regulatory tracking directly safeguard your production line metrics. Our advanced manufacturing facilities maintain rigorous quality configurations to ensure total compliance and confidence across all international markets:
- Advanced Laboratory Quality Control: Every commercial batch of our Accelerator ZMBT passes through extensive laboratory verification protocols—including complexometric zinc content titration, high-performance liquid chromatography (HPLC) for free-MBT control, and fine sieve residue checks—ensuring an ultra-pure matrix profile.
- Comprehensive International Regulatory Compliance: We maintain a highly proactive approach to global chemical governance. All export shipments are systematically backed by complete regulatory documentation, including up-to-date, comprehensive multilingual GHS Safety Data Sheets (SDS), detailed Certificates of Analysis (CoA), and official tracking credentials fully matching EU REACH and US TSCA parameters.
- Optimized Packaging & Workspace Safety: To lower material handling loss and eliminate airborne chemical dust cross-contamination on your factory floor, we offer tailored logistics configurations. This includes standard multi-wall moisture-resistant kraft paper bags (25kg) lined with protective PE film, bulk jumbo supersacks (FIBCs), and dust-free oiled granule grades suited for automated dosing systems.
⚠ Storage & Handling Guidelines
Maintaining correct warehouse environment control parameters is key to safeguard the batch particle fluidity and active verification bounds of your ZMBT stock. Because zinc-thiazole matrices are susceptible to slow moisture binding, structured warehouse rules protect your compounding investments.
- • Warehouse Climate Control: Store the chemical bags within fully dry, cool, and shade-covered storage bays. Ensure the stock coordinates are entirely shielded from dynamic water exposure, direct solar radiant arrays, or active open heating elements.
- • Sealing & Hardening Prohibitions: Secure all inner poly liners tightly once a batch unit is weighed. Do not configure pallets above standard stack constraints to prevent solid mechanical clumping over summer thermal shifts.
- • Inventory Stacking Life: Under appropriate sealed warehouse storage, our premium ZMBT products carry a certified shelf life of 24 months from the date of manufacture. Following a strict First-In, First-Out (FIFO) material rotation system is advised.
Frequently Asked Questions
Why is ZMBT preferred over raw MBT in water-based latex systems? +
How does ZMBT function as a secondary booster in solid dry rubber compounding? +
What is the typical recommended dosage for ZMBT in dipping latex? +
Partner with a Reliable Chemical Supplier
We provide premium-grade Rubber Accelerator ZMBT processed to meet rigorous global technical standards. Available in ultra-fine powders for seamless latex dispersion milling and custom dust-free granules to ensure total batch uniformity inside your mixing rooms.
