Lab-Grade Porcelain Watch Glass from China
A concave fired porcelain watch glass for covering lab vessels during evaporation. This product is a technical laboratory ceramic under tariff item 6909.90.00, with porcelain's characteristic translucency and low absorption.
Duty Rate — China → Canada
7%
Import Tips
• Confirm the watch glass is fired after shaping and designed for lab use
• Provide laboratory use documentation to CBSA to support classification under 'other' ceramic wares
• Verify the product is not classifiable as glassware under other headings