Standards

JC/T 2838-2024 Active

JC/T 2838-2024 Clay-fired permeable paving brick

This document specifies the classification and marking, technical requirements, test methods, inspection rules, as well as product quality certificates, product user manuals, packaging, transportation, and storage of red mud sintered permeable paving bricks (hereinafter referred to as red mud permeable bricks). This document is applicable to the design, production, testing, and application of red mud sintered permeable bricks with water permeability and infiltration performance, which are used for paving sidewalks, squares, parks, and other surfaces.

Publish Date: 2024-10-24

JC/T 2839-2024 Active

JC/T 2839-2024 Anti-corrosive Mortar for Underground Sewage Pipeline

This document specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for anti-corrosion mortar used in underground sewage pipelines. This document is applicable to the inner lining of underground sewage pipes, channels, inspection wells, etc. with protective functions provided by anti-corrosion mortar.

Publish Date: 2024-10-24

JC/T 2837-2024 Active

JC/T 2837-2024 Concrete and Mortar Defoamer

This document specifies the classification, code and marking, requirements, test methods, inspection rules, and product instructions, labels, packaging, transportation, and storage of defoamers for concrete and mortar. This document applies to additives (hereinafter referred to as defoamers) that can reduce the generation of bubbles or eliminate existing bubbles in concrete and mortar.

Publish Date: 2024-10-24

JC/T 2836-2024 Active

JC/T 2836-2024 Landscape modeling mortar

This document specifies the classification, designation, and marking of landscape modeling mortar, general requirements, testing methods, inspection rules, and marking, packaging, transportation, and storage. This document is applicable to landscape modeling mortar used in on-site construction projects such as theme parks, landscape gardening, cultural parks, and resort areas.

Publish Date: 2024-10-24

JC/T 2835-2024 Active

JC/T 2835-2024 JCT 2835-2024 Technical Specification for Crushing Equipment of Construction Waste

This document specifies the basic parameters, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of construction waste crushing equipment. This document is applicable to jaw crushers, impact crushers, hammer crushers, and double-toothed roll crushers used for primary crushing of pre-processed construction waste.

Publish Date: 2024-10-24

JC/T 2834-2024 Active

JC/T 2834-2024 Steel-concrete pipe with steel bar encircling for prestressed concrete

This document specifies the classification, general provisions, design and manufacturing, technical requirements, test methods, inspection rules, marking, transportation and storage, and factory certificates of reinforced winding prestressed steel cylinder concrete pipes (hereinafter referred to as "reinforced winding pipes"). The pipe products specified in this document are suitable for urban water supply and drainage, industrial water transmission, farmland irrigation, factory pipe networks, power plant supplementary water and cooling water circulation systems, urban comprehensive pipe galleries, and other projects.

Publish Date: 2024-10-24

JC/T 2833-2024 Active

JC/T 2833-2024 Thin-walled steel tube reinforced concrete pressure pipe

This document specifies the classification, general requirements, design and manufacture, technical requirements, test methods, inspection rules, marking, transportation and storage, and factory certificates of thin-walled steel cylinder concrete pressure pipes (hereinafter referred to as "thin-walled steel cylinder pipes"). The pipe products specified in this document are suitable for urban water supply and drainage, industrial water transport, farmland irrigation, factory pipe networks, power plant supplementary water pipes, and other projects.

Publish Date: 2024-10-24

JC/T 2832-2024 Active

JC/T 2832-2024 Highly pure silica sand for optical fiber manufacturing process

This document specifies the grading, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of high-purity quartz sand for fiber optic manufacturing processes. This document applies to high-purity quartz sand used in the production of fiber optic primary materials and auxiliary materials, including quartz sand prepared from natural quartz ores through processing and purification processes, as well as synthetic quartz sand prepared from silicon-containing compounds using physical and chemical methods.

Publish Date: 2024-10-24

JC/T 2831-2024 Active

JC/T 2831-2024 Stone Insulating Composite Panel

This document specifies the classification and marking, general requirements, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of stone insulation composite panels. This document is applicable to natural stone insulation composite panels used for external wall insulation in buildings, which feature integrated decoration and energy-saving insulation. External wall internal insulation and artificial stone facing insulation composite panels can be used as reference for application.

Publish Date: 2024-10-24

JC/T 2844-2024 Active

JC/T 2844-2024 Industrial ceramic kiln equipment

This document specifies the product classification and code, technical requirements, test methods, inspection and judgment rules, as well as packaging, marking, transportation, and storage for kiln furnishings used in industrial ceramic kilns. This document is applicable to kiln furnishings used in industrial ceramic kilns with operating temperatures ranging from 1200°C to 1700°C, and primarily made of silicon carbide, corundum, mullite, and corundum.

Publish Date: 2024-10-24

JC/T 2843-2024 Active

JC/T 2843-2024 Water-hardening lime material

This document specifies the grades and markings, requirements, test methods, inspection rules, marking, packaging, quality certificates, transportation, and storage of water-hardening lime materials. This document is applicable to the design, production, and inspection of lime materials with water-hardening properties.

Publish Date: 2024-10-24

JC/T 2842-2024 Active

JC/T 2842-2024 Methyl methacrylate-based door and window specialized board

This document specifies the specifications and markings, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of methyl methacrylate sheets for doors and windows (hereinafter referred to as "sheets"). This document is applicable to methyl methacrylate sheets for indoor doors and windows.

Publish Date: 2024-10-24