Standards

JC/T 2922-2025 Active

JC/T 2922-2025 Dip-coated paper veneer fiber cement decorative board

This document specifies the classification, dimensional specifications, marking, general requirements, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of impregnated film-faced fiber cement decorative boards (hereinafter referred to as "decorative boards"). This document is applicable to impregnated film-faced fiber cement decorative boards used in interior construction.

Publish Date: 2025-08-19

JC/T 2921-2025 Active

JC/T 2921-2025 Chemically strengthened glass screen protector

This document specifies the classification, requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of chemical tempered glass protective films for screens (hereinafter referred to as screen protective films). This document is applicable to protective films adhered to the surface of mobile phones. Other display screen protective films can refer to this document for guidance.

Publish Date: 2025-08-19

JC/T 2920-2025 Active

JC/T 2920-2025 Optical fiber preparation equipment for synthetic quartz glass deposition tube

This document specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for synthetic quartz glass deposition tubes used in the preparation of optical fibers. This document is applicable to synthetic quartz glass deposition tubes (hereinafter referred to as synthetic quartz tubes) used in the deposition process to prepare low-water-peak optical fiber cores or preform rods. Quartz glass tubes for other purposes can refer to this document.

Publish Date: 2025-08-19

JC/T 2919-2025 Active

JC/T 2919-2025 Environmental remediation material with attapulgite

This document specifies the classification and marking, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of attapulgite used in environmental remediation materials. This document is applicable to attapulgite products used in the preparation of environmental remediation materials.

Publish Date: 2025-08-19

JC/T 2918-2025 Active

JC/T 2918-2025 Molecular sieves made from attapulgite

This document specifies the requirements for zeolite used in molecular sieves, testing methods, inspection rules, marking, packaging, transportation, and storage. This document is applicable to zeolite clay raw materials used in the synthesis of molecular sieves.

Publish Date: 2025-08-19

JC/T 2917-2025 Active

JC/T 2917-2025 Zirconia-enhanced Alumina ceramic composite liner

This document specifies the technical requirements, testing methods, inspection rules, and marking, packaging, transportation, and storage of zirconia toughened alumina ceramic composite liners (hereinafter referred to as "ZTA composite liners"). This document is applicable to zirconia toughened alumina ceramic composite liners.

Publish Date: 2025-08-19

JC/T 2916-2025 Active

JC/T 2916-2025 ceramic tile (board) cloth fabricator

This document specifies the classification, composition, models, and basic parameters of ceramic tile (board) fabricating machines, as well as their requirements, testing methods, inspection rules, and marking, packaging, transportation, and storage. This document is applicable to the design, manufacture, and acceptance of fabricating equipment in ceramic tile (board) production lines.

Publish Date: 2025-08-19

JC/T 2915-2025 Active

JC/T 2915-2025 3D Printing Terminology and Definitions for Cement-Based Materials

This document defines the basic terms of 3D printing for cement-based materials, the terms of printing systems, the terms of printing processes and parameters, the terms of raw materials and performance for printing, and the terms of the performance of 3D printed cement-based materials. This document is applicable to the research, testing, and production applications of 3D printing for cement-based materials.

Publish Date: 2025-08-19

JC/T 2914-2025 Active

JC/T 2914-2025 The test method for shrinkage performance of cement-based 3D printed materials

This document specifies the principles of the test method for the shrinkage performance of 3D-printed cement-based materials, the instruments and equipment, the preparation of test specimens, the test steps, the calculation of test results, and the test report. This document is applicable to the shrinkage performance testing of slurry, mortar, and concrete formed by the 3D printing process.

Publish Date: 2025-08-19

JC/T 2913-2025 Active

JC/T 2913-2025 Testing method for fluoride ion content in concrete admixtures

This document specifies the test environment conditions, ion chromatography, ion selective electrode method, ion meter method, and test reports for the determination of fluoride ion content in concrete admixtures. This document is applicable to the determination of fluoride ion content in concrete admixtures.

Publish Date: 2025-08-19

JC/T 2911-2025 Active

JC/T 2911-2025 The method for determining the acetone extract of friction powder

This document specifies the method outline, reagents and materials, instruments and equipment, sample preparation, test procedures, result presentation, precision, and test reports for the determination of acetone extracts from friction powders. This document is applicable to friction powders used in the production of friction materials.

Publish Date: 2025-08-19

JC/T 2910-2025 Active

JC/T 2910-2025 Road vehicle brake lining friction material Road braking performance test method

This document specifies the test methods for the road braking performance of friction materials for brake pads of road vehicles (urban road test and long downhill road test). This document is applicable to the determination of the road braking performance of disc brake pads and drum brake shoes for automobiles.

Publish Date: 2025-08-19