Glass Manufacturing Fluorspar from United States
Glass Manufacturing Fluorspar is fine-ground fluorspar powder containing more than 97% calcium fluoride for glass opacity and fluxing. Tariff item 2529.22.00 covers this essential high-purity raw material for container glass production, as grinding is a mechanical process allowed under Chapter 25.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the powder is not mixed with other substances, as mixing would exclude it from Chapter 25
• Ensure the CaF2 content exceeds 97% by weight and include lab results
• Verify that grinding is the only processing step, without calcination or roasting