Pumice Stones for Pool Filter Media
Lightweight pumice stones sized for swimming pool and spa filtration systems. Classified under HTS 2513.10.0080 as other pumice stone natural abrasives. High surface area traps particulates effectively.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as complete filtering/purifying machinery
Assembled filter systems containing pumice classified by machinery function.
If porcelain filter tanks containing pumice
Ceramic vessels with pumice media fall under Chapter 69 sanitary ware.
If pebbles, gravel, or crushed stone for construction
Pumice sized like construction aggregate classified in heading 2517 per chapter note.
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Import Tips & Compliance
• Certify uniformity and absence of fines for backwash performance
• NSF/ANSI Standard 50 certification may be required for pool applications
• Bulk density testing prevents misclassification as lightweight aggregates
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.
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.
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.