Safety fuses
Enzymes; prepared enzymes not elsewhere specified or included. > Safety fuses > Safety fuses
Duty Rate (from China)
Subheadings
Products classified under Tariff item 3603.10.00
Cotton-Core Safety Fuse
A traditional safety fuse with a cotton core impregnated with black powder, wrapped in textile layers for waterproofing. It is used to initiate blasting caps and falls under tariff item 3603.10.00 as a safety fuse.
Instantaneous Safety Fuse
A high-speed safety fuse burning at over 100 m/s, used for rapid sequential blasting in construction. It has a reinforced gunpowder core and polymer coating, qualifying as a safety fuse under 3603.10.00.
Visco Safety Fuse
A slow-burning safety fuse with a visco powder core encased in a textile or plastic sheath, designed for reliable ignition delay in blasting. It meets the definition of a safety fuse under 3603.10.00.
Waterproof Safety Fuse
A waterproof safety fuse with wax-impregnated textile layers and a plastic overwrap, used for blasting in wet environments. Its consistent burn rate qualifies it as a safety fuse under 3603.10.00.