Polyisoprene Grafting Mastic Tape from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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