High-Purity Quartz Chunks from Mexico
High-purity quartz chunks with over 99.9% SiO2, minimally processed for electronics industry feedstock. These are unworked quartz other than sands, meeting the chapter note 1 criteria of being crushed or ground without further processing.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document the SiO2 purity with a lab certificate to support the classification
• Be prepared to show that no heat treatment or chemical modification beyond washing has occurred