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Sawdust Plaster Blocks

Construction blocks made from sawdust waste agglomerated with plaster binders, suitable for interior partitions. HTS 6808.00.00.00 applies to wood waste bound with mineral plaster. Lightweight alternative to concrete blocks.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

6810.99.00Same rate: 37.5%

If other mineral blocks not primarily wood/straw based

Generic mineral substance articles fall under 6810 if not specific to 6808 materials.

4411.93Lower: 16.4% vs 37.5%

If density under 0.5 g/cm³ and resin-bound

Low-density fiberboard without mineral binders is Chapter 44.

6809.90.00Same rate: 37.5%

If articles from shavings but not panels/boards

Smaller agglomerated shapes from shavings may use 6809.90.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Test for plaster purity; gypsum-based binders must dominate mineral content

• Include safety data sheets confirming low formaldehyde from wood waste