Tumbled Pumice Pebbles for Stone Washing
Smooth, tumbled pumice pebbles used in textile stone-washing processes to create distressed denim effects. Falls under HTS 2513.10.0080 as 'other' pumice stone, a natural abrasive not limited to millstones. The rounded shape prevents fabric damage while providing abrasion.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bound into abrasive wheels or segments
Pumice incorporated into millstones or grinding wheels of agglomerated abrasives shifts to heading 6804.
If used as gelatineous petroleum shale
Similar volcanic materials classified by composition under heading 2508 if not qualifying as pumice abrasives.
If for use as earth colors or micaceous oxides
Pumice with high iron content used for coloring rather than abrasion falls under heading 2530 mineral substances.
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Import Tips & Compliance
• Document end-use as textile processing to differentiate from decorative landscaping pumice
• Ensure tumbling doesn't constitute 'worked' status per Chapter 68 notes, maintaining natural classification
• Batch test for silica content to avoid overlap with diatomaceous earth in heading 2512
Related Products under HTS 2513.10.00.80
Crushed Pumice Stone for Abrasive Cleaning
Crushed pumice stone is a naturally occurring volcanic rock used as an abrasive for cleaning surfaces like pots, ovens, and industrial equipment. It falls under HTS 2513.10.0080 as 'other' pumice stone that is not solely for grinding or polishing millstones, heat-treated or not. The irregular granules provide effective scrubbing without scratching.
Pumice Powder for Metal Polishing
Fine pumice powder derived from natural pumice stone, used as a mild abrasive for polishing metals, jewelry, and lapidary work. Classified under HTS 2513.10.0080 as 'other' pumice, distinct from millstone-specific uses. Its porous structure allows gentle material removal without excessive scratching.
Heat-Treated Pumice Granules for Water Filtration
Heat-treated pumice granules optimized for porosity in water filtration systems and aquariums. Classified in HTS 2513.10.0080 as 'other' pumice stone, permissible even if heat-treated per heading terms. Enhances biological filtration through natural porous structure.
Natural Pumice Blocks for Hand Scrubbing
Solid natural pumice blocks used for personal care like removing calluses and dead skin on feet. HTS 2513.10.0080 covers this 'other' pumice stone as a natural abrasive. Lightweight and porous for effective yet gentle exfoliation.
Pumice Grit for Sandblasting Media
Coarse pumice grit sized for low-pressure sandblasting to clean masonry and delicate surfaces. Falls under HTS 2513.10.0080 as 'other' natural pumice abrasive. Provides gentler blasting than quartz or garnet.
Volcanic Pumice for Horticultural Soil Amendment
Graded volcanic pumice used to improve soil aeration and drainage in horticulture and hydroponics. Classified HTS 2513.10.0080 as pumice stone with abrasive properties, though used agriculturally. Natural porosity retains moisture while preventing compaction.