Mullite Powder Refractory Castable from United States
Mullite powder refractory castable is a synthetic mullite-based castable designed for glass furnace regenerators. It offers alkali resistance up to 1450°C and has a 3:2 alumina-silica ratio that optimizes creep resistance. This product falls under tariff item 3816.00.00 as a refractory composition other than products of heading 38.01.
Duty Rate — United States → Canada
PGA flags (1)Show detailsHide detailsHCConsumer Products SafetyMay be required
- HC
Consumer Products Safety · May be required · on some HTS numbers under this code
May require HC Consumer Products Safety depending on intended use (HC21) and Canadian product category (HC29, HC30, HC31, HC32, HC33, HC34, HC35, HC36, HC37); or intended use (HC22, HC23, HC24, HC26, HC27) and Canadian product category (HC37), and on the full 10-digit classification number (only some numbers under this code are listed). Matching criteria: Equal To 3816000040; Equal To 3816000040. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• Provide CBSA with the mullite content and alumina-silica ratio to justify classification under 3816.00.00
• Ensure the product is not a separate chemically defined compound, as excluded by Chapter note 1(a)
• Verify compliance with Canadian import regulations for refractory materials