HS Code 6901
Siliceous Fossil Meal Ceramic Goods
HS code 6901 covers ceramic bricks, blocks, and tiles made from siliceous fossil meals, primarily used for industrial heat insulation.
4-digit Section XIIIFCL
HS Code 6901 — Siliceous Fossil Meal Ceramic Goods
This category covers lightweight, insulating ceramic products made from fossil meals like kieselguhr or diatomite. These products are primarily used for industrial thermal insulation and fireproofing.
What's included
- Diatomite bricks
- Kieselguhr insulating blocks
- Tripolite ceramic tiles
- Siliceous earth insulation
What's excluded
- Standard refractory bricks → use
6902(Standard fire-bricks for furnaces have a separate classification.)
Common examples
- Insulating kieselguhr blocks
- Lightweight siliceous fire-bricks
- Diatomaceous earth filter plates
Frequently asked questions
What is the primary benefit of these bricks?
High porosity and low thermal conductivity, making them excellent for high-heat industrial insulation.
Trade & shipping notes
- Typical duty range: 0% - 5%
- Documentation: Technical datasheets confirming the 'siliceous fossil meal' content are often required to differentiate from 6902.
- Typical shipping mode: FCL
- Top exporters: China, Germany, Denmark
- Top importers: USA, Japan, India
Related HS codes
Key takeaway
Specialised lightweight insulating ceramics distinct from standard refractory fire-bricks.
Related HS codes
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