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October 2024, question 31
Classification · Classification: GRIs, notes and headings
What is the CLASSIFICATION of heat insulating solid building bricks made of ceramic?
- 2515.11.0000
- 6802.29.9000
- 6904.10.0010
- 6907.30.1051
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CBP's answer: C. C: 6904.10.0010
Heading 6904 covers ceramic building bricks, and the subheading path is building bricks, solid bricks, heat insulating, which is 6904.10.0010 (C). Under GRI 1 the heading wording points to ceramic bricks, not natural stone or ceramic tiles.
Ceramic building bricks, flooring blocks, support or filler tiles and the like: > Building bricks > Solid bricks: > Heat insulating 6904.10.00.10
Search for: ceramic building bricks heat insulating
CBP's key cites: HTSUS 6904.10.0010
Question and key from CBP's October 2024 exam and answer key. The walk-through is ours; quotes are from the pinned editions in the reference viewer (HTSUS 2026 Basic, 19 CFR 2025 edition).