High-Performance Silicone Mastic from United States
A neutral-cure silicone mastic for expansion joints in commercial buildings, with high elasticity for seismic zones. It is an 'other' mastic for surfacing, falling under tariff item 3214.10.90.
Duty Rate — United States → Canada
6.5%
Import Tips
• Ensure the product is not a separate chemically defined compound
• Verify it is not put up for retail sale as colouring matter
• Keep composition records to support the mastic classification