MXIK (IKPU) codes, class 02508: Other clays (excluding expanded clays of heading 6806), andalusite, kyanite and sillimanite, mullite; chamotte or dinas earths
3 positions · 6 subpositions · 51 codes · tasnif.soliq.uz, data as of 14.10.2026
Updated:
In the MXIK (IKPU) classifier, class 02508 "Other clays (excluding expanded clays of heading 6806), andalusite, kyanite and sillimanite, mullite; chamotte or dinas earths" is part of group 025 "Salt, sulphur, plastering materials, lime and cement". As of 14.10.2026 it has 3 positions and 6 subpositions carrying 51 codes in total. That is 2.4% of all codes in the group.
The largest position is 02508003 "Chamotte or dinas earths" with 30 codes (59% of the class). It is followed by 02508001 "Other clays (excluding expanded clays of heading 6806)" with 20. The largest subpositions are "Chamotte refractory aggregate" (02508003002, 28), "Bentonite" (02508001002, 10), "Other clays" (02508001004, 7). 1 of the 6 subpositions hold exactly one code. Other examples: "Chamotte or dinas earths", "Ceramic mass", "Fireclay".
By number of codes the class ranks 5th of 29 in the group. Neighbouring classes: 02507 "Kaolin and other kaolinic clays" (4 codes) and 02509 "Chalk" (3 codes). Under the coding scheme in the Regulation on the National Catalogue, digits 2 to 5 of a goods code are the customs (TN VED, HS-based) code; for this class it is 2508.
Codes in this class
| Code | Name | Copy code |
|---|---|---|
| 02508003 | Chamotte or dinas earths30 codes | |
| 02508003001 | Chamotte or dinas earths2 codes | |
| 02508003002 | Chamotte refractory aggregate28 codes | |
| 02508002 | Fireclay1 code | |
| 02508002004 | Ceramic mass1 code | |
| 02508001 | Other clays (excluding expanded clays of heading 6806)20 codes | |
| 02508001002 | Bentonite10 codes | |
| 02508001004 | Other clays7 codes | |
| 02508001006 | Fireclay3 codes |
How to apply an MXIK code
- Find the subposition of your good or service: the first 11 digits are the group, class, position and subposition.
- Pick the 17-digit code on tasnif.soliq.uz: the last 6 digits are brand and attribute; goods without a barcode use "000000".
- Show this code in electronic invoices (ESF) and online cash register receipts, and for imports in the customs cargo declaration.
- Watch for changes on tasnif.soliq.uz: deleting or changing a code takes effect after 30 days.
- No suitable code? Send a request to the operator through your personal account (reviewed within 3 working days).
Help with MXIK codes in accounting and e-invoices
Leader Audit accountants can match MXIK codes to your product list, review invoices and receipts and set up your accounting in line with the code rules.
Accounting servicesOther classes in this group
- 02501 — Salt and pure sodium chloride; sea water and saline solutions
- 02505 — Natural sands of all kinds, other than metal-bearing sands of group 026
- 02516 — Granite, porphyry, basalt, sandstone and other monumental or building stone, crude or roughly split, whether or not sawn
- 02517 — Pebbles, gravel, broken or crushed stone; granules, chippings and powder of stones of class 2515 or 2516
- 02520 — Gypsum, anhydrite and gypsum plasters
- 02522 — Quicklime, slaked lime and hydraulic lime
- 02523 — Portland cement, aluminous cement and other cements, whether or not in the form of clinkers
Frequently asked questions
What is the MXIK (IKPU) code for "Chamotte refractory aggregate"?
The subposition "Chamotte refractory aggregate" has code 02508003002: group 025, class 02508, position 02508003 "Chamotte or dinas earths". It covers 28 codes: all of them start with these 11 digits, and the last 6 digits stand for brand and attribute. The exact 17-digit code is chosen on tasnif.soliq.uz.
What is the MXIK (IKPU) code for "Fireclay"?
The subposition "Fireclay" has code 02508001006: group 025, class 02508, position 02508001 "Other clays (excluding expanded clays of heading 6806)". It covers 3 codes: all of them start with these 11 digits, and the last 6 digits stand for brand and attribute. The exact 17-digit code is chosen on tasnif.soliq.uz.
How many MXIK codes are in class 02508?
As of 14.10.2026, class 02508 "Other clays (excluding expanded clays of heading 6806), andalusite, kyanite and sillimanite, mullite; chamotte or dinas earths" has 3 positions, 6 subpositions and 51 codes. Every code in the class starts with 02508.
How does class 02508 differ from class 02509?
They are neighbouring classes of group 025. Class 02508 "Other clays (excluding expanded clays of heading 6806), andalusite, kyanite…" has 3 positions and 51 codes; class 02509 "Chalk" has 1 position and 3 codes. The class is digits 4–5 of the MXIK code, so a wrong class changes the base code of the item.
Where must the MXIK code be shown?
Under the Regulation on the National Catalogue (Cabinet of Ministers Resolution No. 263 of 28 April 2025) the catalogue is used for electronic invoices, online cash register receipts and the customs cargo declaration (except goods imported for the first time). A code that does not match the base code (first 11 digits) can lead to a fine of 1% of the value under Article 223(5) of the Tax Code.
Sources
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