Electronics Cleaning Ammonium Hydroxide 5-10% from Mexico
Dilute 5-10% aqueous ammonia used for photoresist stripping and wafer cleaning in semiconductor manufacturing. It is a chemically defined aqueous solution of ammonia, falling under tariff item 2814.20.00 as ammonia in aqueous solution, provided it does not contain additives that render it suitable for a specific use.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product does not contain surfactants or other additives, as those could shift classification to a prepared cleaning product
• Provide a certificate of analysis to the CBSA to verify purity and concentration
• Ensure proper labeling for transport, as it is a corrosive material