ZMBT Rubber Accelerator (Zinc 2-mercaptobenzothiazole) from China
ZMBT (zinc 2-mercaptobenzothiazole) is a prepared rubber accelerator serving as a retarder, activator, and secondary accelerator across multiple rubber polymers. It enhances adhesion in steel cord-rubber composites for tires. This product is classified under tariff item 3812.10.00 as a prepared rubber accelerator.
Duty Rate — China → Canada
0%
Import Tips
• Maintain documentation showing the ZMBT is a prepared accelerator blend, not a pure chemical compound, to avoid reclassification under Chapter 29
• Provide a certificate of analysis to CBSA to support the classification
• Verify whether the product requires any special permits under Canadian chemical regulations