Calcium Carbide Powder 200 Mesh from Mexico
Ultra-fine 200 mesh calcium carbide powder for chemical research and micro-scale acetylene generation. Classified as chemically defined calcium carbide under HTS 2849.10.00.00, with particle size not affecting pure compound status per Chapter 28. Shipped under nitrogen to prevent oxidation.
Duty Rate — Mexico → United States
11.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Fine powders require additional dust explosion risk assessments for transport
• Label as 'research chemical' but maintain pure carbide documentation