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6902.90.50/Fireclay Refractory Block/Canada

Fireclay Refractory Block from Canada

Fireclay refractory blocks are made from high-temperature fired clay, used in blast furnace hearths and cement kilns for their plasticity and strength. They absorb shocks and resist abrasion. Fits HTS 6902.90.50 as other non-siliceous refractory constructional goods.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Test water absorption per ASTM C373 if borderline earthenware; must be refractory fired

• Specify clay composition excluding siliceous fossil meals for correct subheading

Fireclay Refractory Block from Canada — Import Duty Rate | HTS 6902.90.50