Zinc Borate Powder (2ZnO·3B2O3·3.5H2O) from United States
Zinc borate powder (2ZnO·3B2O3·3.5H2O) is a flame retardant and smoke suppressant used in plastics and textiles. It is an 'other borate' because it is a metal borate other than sodium borate, and it is chemically defined per Chapter 28.
Duty Rate — United States → Canada
0%
Import Tips
• Provide the exact chemical formula and CAS number to support classification
• Ensure the product is not coated or treated with organic substances that could affect its tariff classification
• Keep documentation of the flame-retardant application, as end-use may be relevant for customs