2508Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths:

その他の粘土、アンダルーサイト、カイアナイト及びシリマナイト（焼いてあるかないかを問わないものとし、第68.06項のエキスパンデッドクレーを除く。）並びにムライト、シャモット及びダイナスアース

HS code 2508 is a Heading (4-digit) classification number. In Japan's trade statistics (published by Ministry of Finance), it represents import/export items classified as “Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths:”. This code has 6 subcategories defined below it.

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Latest trade statistics

In May 2026, Japan's imports under HS code 2508 (Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths:) totaled ¥740M (YoY -43.0%), with a volume of 10,221 MT at about ¥72,393/MT. The top import sources are United States of America (48.3%), People's Republic of China (41.4%), South Africa (4.7%). Exports totaled ¥148M (YoY -14.5%), with a volume of 1,347 MT at about ¥109,656/MT. The top export destinations are Indonesia (19.9%), Republic of Korea (17.2%), Poland (14.8%).

Export (May 2026)

¥148M

YoY: -14.5%

Qty: 1,347 MT

Unit price: ¥109,656/MT

Import (May 2026)

¥740M

YoY: -43.0%

Qty: 10,221 MT

Unit price: ¥72,393/MT

Top export destinations (2025)

#	Country	Value	Share	Qty	Unit price
1	Indonesia	¥327M	19.9%	4,241 MT	¥77,141/MT
2	Republic of Korea	¥283M	17.2%	925 MT	¥306,269/MT
3	Poland	¥243M	14.8%	98 MT	¥2,479,633/MT
4	People's Republic of China	¥192M	11.6%	2,442 MT	¥78,463/MT
5	Thailand	¥155M	9.4%	2,019 MT	¥76,536/MT

Top import sources (2025)

#	Country	Value	Share	Qty	Unit price
1	United States of America	¥6B	48.3%	101,426 MT	¥58,783/MT
2	People's Republic of China	¥5B	41.4%	96,228 MT	¥53,209/MT
3	South Africa	¥578M	4.7%	6,349 MT	¥90,963/MT
4	India	¥174M	1.4%	4,866 MT	¥35,666/MT
5	Turkey	¥113M	0.9%	3,187 MT	¥35,506/MT

Subcategories6items

250850Andalusite, kyanite and sillimanite

Subheading (6-digit)

250860Mullite

Subheading (6-digit)

250870Chamotte or dinas earths

Related codes

Other codes in the same classification group

2504Natural graphite:2505Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter 26:2506Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:2510Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk:2511Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28.16:2513Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated:2515Marble, travertine, ecaussine and other calcareous monumental or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:2516Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:2517Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 25.15 or 25.16, whether or not heat-treated:2518Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:2519Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure:2520Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerators or retarders:2522Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25:2523Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers:2524Asbestos:2525Mica, including splittings; mica waste:2526Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc:2529Feldspar; leucite; nepheline and nepheline syenite; fluorspar:2530Mineral substances not elsewhere specified or included:

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