6902Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths.

3 subheadings

6902.10Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3
6902.20Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products
6902.90.00.00Other

Classify a whole shipment, not one line at a time.

Adhoc's agent assigns HS codes with the ruling chain cited, checks AIRS and PGA requirements, and drafts the CBSA declaration for your broker to review.

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