Standards

JC/T 2745-2023 Active

JC/T 2745-2023 Cement made from slags and gypsum

This document specifies the components, designations, and material requirements of gypsum slag cement, its strength grades, technical requirements, test methods, inspection rules, and packaging, marking, transportation, and storage. This document is applicable to the production, inspection, and acceptance of gypsum slag cement. Gypsum slag cement can be used in large-scale concrete projects underground and underwater, as well as in the preparation of precast concrete components under steam curing conditions. However, it is not suitable for projects with high early-age strength requirements or those subject to freeze-thaw and alternating wet-dry cycles.

Publish Date: 2023-12-20

JC/T 2744-2023 Active

JC/T 2744-2023 Sewage treatment technology regulations for solid waste in construction sites

This regulation applies to the comprehensive disposal of solid waste at the construction site of new building projects.

Publish Date: 2023-12-20

JC/T 2736-2023 Active

JC/T 2736-2023 Fiber composite solid waste classification management guidelines

This document specifies the classification and codes of solid waste from fiber composite materials, as well as guidance on their management. This document applies to the classification, management, and traceability labeling of solid waste from fiber composite materials.

Publish Date: 2023-12-20

JC/T 2734-2023 Active

JC/T 2734-2023 Recycling organic resin composite profiles for landscape design

This document specifies the product classification and marking, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of recycled organic resin composite profiles for landscape applications. This document is applicable to profiles made primarily from waste organic resins, thermoplastics, and wood fiber materials as the matrix, with additives and auxiliary agents added, and used in applications such as boardwalks, paving slabs, fences, tables and chairs, and pavilions in landscape settings.

Publish Date: 2023-12-20

JC/T 2732-2023 Active

JC/T 2732-2023 The energy consumption standard for unit products of talc powder

This document specifies the energy consumption limits, technical requirements, statistical scope, and calculation methods for talc unit products. This document is applicable to the calculation and assessment of energy consumption for talc unit products that comply with GB/T 15342, as well as the control of energy consumption for new (modified or expanded) construction projects.

Publish Date: 2023-12-20

JC/T 2731-2023 Active

JC/T 2731-2023 Friction Material Industry Green Factory Evaluation Requirements

This document stipulates the general principles, evaluation requirements, evaluation methods and procedures, and judgment and evaluation reports for the evaluation of factories in the friction material industry. This document is applicable to the creation and evaluation of green factories for enterprises that prepare friction materials by compounding with raw materials such as fiber materials, resins, and non-metallic fillers.

Publish Date: 2023-12-20

JC/T 2730-2023 Active

JC/T 2730-2023 Green factory evaluation requirements for concrete admixture industry

This document stipulates the general principles, evaluation requirements, evaluation methods and procedures, and determination and evaluation reports for the evaluation of green factories in the concrete additives industry. This document is applicable to the creation and evaluation of green factories in concrete additives production plants. This document is not applicable to the evaluation of cement grinding aids production plants.

Publish Date: 2023-12-20

JC/T 2729-2023 Active

JC/T 2729-2023 Synthetic stone industry green factory evaluation requirements

This document specifies the evaluation index system, scoring calculation method, and data statistics and determination for the evaluation of green factories in the synthetic stone industry. This document is applicable to the evaluation and establishment of green factories for synthetic stone enterprises that use resin, cement, or a mixture of the two as binders, and stone powder and stone debris as the main aggregates.

Publish Date: 2023-12-20

JC/T 2728-2023 Active

JC/T 2728-2023 Guidelines for Evaluation of Green Factories in the Stone Industry

This document stipulates the general principles, evaluation requirements, evaluation methods and procedures, and evaluation reports for the evaluation of green factories in the stone industry. This document is applicable to the creation and evaluation of green factories for natural stone and synthetic stone production enterprises, but does not include mining enterprises.

Publish Date: 2023-12-20

JC/T 2392.3-2023 Active

JC/T 2392.3-2023 Quartz glass nugget Part 3: Plasma chemical vapor deposition method

This document specifies the grading, requirements, inspection methods, inspection rules, marking, packaging, transportation, and storage of quartz glass rods produced by plasma chemical vapor deposition. This document is applicable to quartz glass rods made from hydrogen-free silicon compounds such as silicon tetrachloride, which are deposited by gas-phase chemical reactions in a plasma high-temperature flame.

Publish Date: 2023-12-20

JC/T 2280-2023 Active

JC/T 2280-2023 JC/T 2280-2023 Concrete and Reinforced Concrete Pipe with Composite Lining JC/T 2280-2023 Concrete and reinforced concrete pipes with composite lining

This document specifies the classification and marking of lined composite concrete and reinforced concrete drainage pipes, general provisions, technical requirements, test methods, inspection rules, marking, transportation and storage, and factory conformity certificates. This document is applicable to lined composite concrete and reinforced concrete drainage pipes used in gravity flow pipelines such as rainwater, sewage, water diversion, and farmland irrigation, and is particularly suitable for lined composite concrete and reinforced concrete drainage pipes used in sewage pipelines containing corrosive media.

Publish Date: 2023-12-20

JC/T 2268-2023 Active

JC/T 2268-2023 Determination of Copper and Other Elements in Braking Friction Materials According to JC/T 2268-2023

This document specifies the sample preparation and analysis methods for determining the content of copper and other elements in brake friction materials. This document is applicable to unused brake friction materials.

Publish Date: 2023-12-20