CMC Technical Grade FH9 from China
CMC Technical Grade FH9 is a fast-hydration carboxymethylcellulose sodium used in oil drilling muds and ceramics. It is an unmodified salt in powder form, classified under tariff item 3912.31.00 as a primary cellulose ether.
Duty Rate — China → Canada
0%
Import Tips
• Provide a technical data sheet to CBSA confirming the product is for industrial use
• Ensure the CMC content is above 95% to avoid classification as a copolymer
• Check if any environmental regulations apply for oilfield chemicals