T/KMSHJBHLHH 003-2025 Active Group standards

T/KMSHJBHLHH 003-2025 Phosphate Slag-based Recycled Aggregates Flooring Tile and Permeable Brick

Publish Date: 2025-07-05 Implement Date: 2025-08-05 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/KMSHJBHLHH 003-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Integrated waste management

Publish Date: 2025-07-05

Implement Date: 2025-08-05

Scope

Scope: This standard specifies the terms and definitions, abbreviations, classification, raw materials, requirements, test methods, inspection rules, product quality certificates, packaging, transportation, and storage for phosphogypsum-based recycled aggregate floor tiles and permeable bricks. This standard applies to the production and inspection of phosphogypsum-based recycled aggregate floor tiles and permeable bricks. Main technical content: 1. Terms and definitions clarify the meaning of the core terms of the standard, including: phosphogypsum: a chemical by-product mainly composed of calcium sulfate, produced during the wet method of phosphate ore extraction. Phosphogypsum-based recycled aggregate: particles processed from phosphogypsum, slag powder, and fly ash. Phosphogypsum-based recycled aggregate floor tiles: floor tiles made from phosphogypsum-based recycled aggregate and cement, through mixing, molding, and curing. Phosphogypsum-based recycled aggregate permeable bricks: brick products made from similar raw materials with permeable properties. 2. Classification and marking: - Product types and designations: divided into interlocking type (designation S) and ordinary type (designation N) according to shape. - Specifications: the edge length can be selected from 100mm, 150mm, 200mm, etc., and the thickness can be selected from 50mm, 60mm, 80mm, etc. (see Table 4.1), or customized according to user requirements. - Strength grades: compressive strength grades: MU20, MU25, MU30, MU35. Bending strength grades: R?3.0, R?3.5, R?4.0, R?4.5. 3. Marking rules: marked according to product name, specifications, strength grade, and standard number (example: phosphogypsum-based recycled aggregate floor tiles 200×200×50 MU30). 4. Raw material requirements: - Recycled aggregate: recycled coarse aggregate meets GB/T 25177, and recycled fine aggregate meets GB/T 25176. - Natural aggregate: natural coarse aggregate meets GB/T 14685, and natural fine aggre