Polyisoprene Grafting Mastic Tape from Canada
Self-fusing rubber tape made from polyisoprene for sealing plant grafts and wounds. As a rubber-based grafting putty in tape form, it fits HTS 3214.90.10.00 for flexible horticultural mastics. Stretches to create airtight barriers.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Classify as mastic if applied directly; bulk rubber sheets go elsewhere
• Biodegradability claims require supporting test data for customs
• Phytosanitary certificates needed for plant-contact materials