Electronic-Grade Styrene Monomer from Mexico
Ultra-high purity electronic-grade styrene monomer, with less than 1 ppm metals and less than 5 ppb particles, is a separate chemically defined organic compound used in photoresist manufacturing for semiconductor production. It falls under tariff item 2902.50.00 as styrene, a cyclic hydrocarbon, and the purity does not alter its classification.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is declared as styrene (CAS 100-42-5) and provide a certificate of analysis to confirm purity for customs verification
• Check if the product requires an import permit under the Chemicals Management Plan (CMP) with Environment and Climate Change Canada
• Keep shipping documents showing the product is not for retail sale to avoid reclassification