Electronic Etching Grade Potassium Hydroxide Solution from Mexico
Specialty 25% KOH solution for silicon wafer etching in semiconductor fabrication. The solution is an aqueous form of potassium hydroxide, and despite its specialized use, it is classified under tariff item 2815.20.00 as potassium hydroxide, provided it does not contain other active ingredients.
Duty Rate — Mexico → Canada
0%
Import Tips
• Declare the solution as potassium hydroxide under 2815.20.00, and note that the semiconductor end-use does not alter classification unless the solution is doped or contains other chemicals
• The CBSA may ask for a certificate of analysis to confirm purity
• Ensure the solution is not classified as a hazardous waste if it contains impurities