Cast Booster Blasting Charges from Canada
High-density PETN/RDX cast boosters in cylindrical plastic cases used to amplify main explosive detonation in tunnel blasting. These secondary high explosives are pre-formed for insertion into blast patterns. HTS 3602.00.0030 includes such formed high explosives for blasting.
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 1.1D UN number 0042; require blaster certification records; avoid air shipment restrictions for boosters