Glazed Clay Chimney Wall Tile
Glazed clay tiles lining chimney interiors, engineered for >10% absorption in variable moisture conditions. HTS 6907.23.90 covers these specialized glazed wall tiles of high porosity. Fired ceramic excluding refractory bricks.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If refractory composition > high melting point materials
If containing carbides/oxides for extreme heat, basic refractory products in 6903.
If absorption ≤0.5% porcelain grade
Durable low-absorption glazed tiles for chimneys use 6907.41.
If metallic chimney liners
Steel/ceramic hybrid classifies by metal principal material in Chapter 73.
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Import Tips & Compliance
• Certify heat resistance < refractory levels to stay out of 6904/6903
• Declare as wall tiles; hearth confusion common reclassification risk
• Absorption variance testing essential for clay source consistency
Related Products under HTS 6907.23.90
Glazed Ceramic Outdoor Paving Tile
A durable glazed ceramic tile designed for outdoor patios and walkways, featuring a water absorption coefficient exceeding 10% by weight, making it suitable for exposed areas. Classified under HTS 6907.23.90 as a glazed paving tile with high porosity not meeting lower absorption thresholds of other subheadings. Fired after shaping from clay-based materials per Chapter 69 requirements.
Glazed Clay Hearth Tile
Glazed ceramic tiles specifically for fireplace hearths, with high water absorption over 10% allowing flexibility in high-heat home environments. Falls under HTS 6907.23.90 as 'other' glazed tiles of high porosity, distinct from lower-absorption precision tiles. Meets Chapter 69 firing standards using clay essential ingredient.
Glazed Ceramic Backsplash Tile
Small glazed ceramic tiles for kitchen backsplashes, high >10% absorption characteristic of earthenware bodies. HTS 6907.23.90 for other glazed wall tiles not in precision subheadings. Post-fired shaping confirms Chapter 69 applicability.
Glazed Permeable Paver Tile
Eco-friendly glazed paver tiles with intentional >10% water absorption for stormwater management in driveways. Classified HTS 6907.23.90 as glazed paving tiles outside low-absorption categories. Standard fired clay ceramic construction.
Glazed Earthenware Wall Tile
Traditional glazed earthenware tiles for interior kitchen or bathroom walls, absorbing over 10% water due to clay body composition. HTS 6907.23.90 covers these 'other' high-porosity glazed wall tiles outside specific subheadings. Confirmed ceramic via post-shaping firing and ASTM C373 absorption test.
Glazed Porous Patio Flagstone
Large-format glazed ceramic flagstones for patios with >10% water absorption promoting natural drainage. Classified in HTS 6907.23.90 as other glazed high-porosity paving flags, fired ceramic per Chapter notes. Ideal for permeable outdoor surfacing.