IIR Butyl Rubber Silica Bale from China
Isobutylene-isoprene rubber (IIR, butyl) bales compounded with silica, unvulcanized and in bulk primary form. The silica enhances impermeability for inner tube production. It is classified here as compounded rubber with silica in a primary form.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the bales are unvulcanized and in a primary form (bales) as defined in Chapter 40 Note 3
• Provide documentation showing silica as the compounding agent and that no vulcanizing agents are present
• Ensure the bales are of irregular shape or bulk form, not cut to shape