Unpurified Amosite Asbestos Splittings
Roughly split laminae of amosite asbestos from ore veins, not further processed beyond initial splitting. Specifically identified as amosite under HTS 2524.90.0010 within the 'other' asbestos category excluding crocidolite. Used in legacy applications like high-temperature gaskets.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If split block mica rather than asbestos
Mica splittings meeting thickness tolerances fall under heading 2525, distinct from asbestos.
If formed into friction material compositions
Asbestos-based friction materials are classified as manufactured brake/ clutch components.
If earth colors with amosite impurities
Earth colors and mineral oxides may supersede asbestos classification per chapter exclusions.
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Import Tips & Compliance
• Label shipments as 'Regulated Hazardous Material - Asbestos Amosite' per DOT 49 CFR standards
• Avoid common pitfall of declaring as 'mineral specimens' which triggers different valuation scrutiny
• Maintain chain-of-custody records for remediation-bound material to satisfy customs end-use verification
Related Products under HTS 2524.90.00.10
Raw Amosite Asbestos Ore
Natural amosite asbestos ore extracted from deposits, consisting primarily of grunerite amphibole mineral in fibrous form. Classified under HTS 2524.90.0010 as amosite, a specific type of asbestos other than crocidolite, in its raw unprocessed state. Used historically in insulation and fireproofing materials before regulatory bans.
Amosite Asbestos Fibers
Loose fibrous amosite asbestos separated from ore, with fiber lengths typically 1-5 cm, suitable for industrial blending. Falls under HTS 2524.90.0010 as unprocessed amosite asbestos distinguished from other amphibole types. Historically applied in cement reinforcement and friction materials.
Amosite Asbestos Rock Fines
Crushed amosite-bearing rock containing amphibole fibers, particle size under 2 mm, from mining operations. HTS 2524.90.0010 applies to this crude form of amosite asbestos as defined in the asbestos heading. Intended for specialized processing or geological study.
Amosite Asbestos Mine Concentrate
Concentrated amosite fibers from ore dressing processes, containing 70-90% amphibole content without chemical treatment. HTS 2524.90.0010 covers this intermediate crude form of amosite asbestos. Primarily for historical industrial or research utilization.