Standards

JC/T 871-2023 Active

JC/T 871-2023 Glazing with silver-plated glass

This document specifies the classification, materials, technical requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of silver-plated glass mirrors. This document is applicable to glass mirrors made of flat glass as the substrate, coated with metal silver films, copper films, and protective lacquers, and used indoors. This document is not applicable to silver-plated glass mirrors made of non-flat glass and flat glass processed products as the substrate.

Publish Date: 2023-12-20

JC/T 866-2023 Active

JC/T 866-2023 Determination Method for Moisture Content of Glass Raw Materials (JC/T 866-2023)

This document describes the method for determining the moisture content of glass raw materials. This document is applicable to the determination of moisture content in silica raw materials, feldspar, limestone, dolomite, mirabilite, soda ash, carbon powder, and other powdered glass raw materials used in flat glass production. Other glass raw materials can refer to this document for guidance.

Publish Date: 2023-12-20

JC/T 864-2023 Active

JC/T 864-2023 Polymer Emulsion Construction Waterproof Coating

This document specifies the classification and marking, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of polymer emulsion building waterproof coatings. This document applies to all types of water-based waterproof coatings made primarily from synthetic polymer emulsions, with the addition of other additives. The products covered by this document are suitable for building waterproofing projects in environments that are not subject to long-term water immersion.

Publish Date: 2023-12-20

JC/T 820-2023 Active

JC/T 820-2023 Air-handling chute for cement industry

This document specifies the structure, models, and selection parameters of air conveying chutes used in the cement industry (hereinafter referred to as "air chutes"), as well as their requirements, test methods, inspection rules, and marking, packaging, transportation, and storage. This document is applicable to air chutes used for conveying powdered materials such as raw materials and cement during the cement manufacturing process, and during the transfer of cement.

Publish Date: 2023-12-20

JC/T 746-2023 Active

JC/T 746-2023 Concrete tiles

This document specifies the structure and symbols, classification, specifications and marking, general provisions, requirements, test methods, inspection rules, marking, product quality certificates, and user manuals of concrete tiles, as well as packaging, storage, and transportation. This document is applicable to concrete tiles used on pitched roofs.

Publish Date: 2023-12-20

JC/T 720-2023 Active

JC/T 720-2023 Autoclave

This document specifies the classification, models, and basic parameters of autoclaves, technical requirements, test methods, inspection rules, marking and accompanying documents, as well as packaging, transportation, and storage. This document is applicable to steel-made autoclaves used in the building materials industry.

Publish Date: 2023-12-20

JC/T 650-2023 Active

JC/T 650-2023 The method for measuring the particle size of glass raw materials

This document describes the method for measuring the particle size of glass raw materials. This document is applicable to the measurement of the particle size of four powdered raw materials used in flat glass, including silica, dolomite, limestone, and feldspar. The measurement of the particle size of other glass raw materials can refer to this document.

Publish Date: 2023-12-20

JC/T 637-2023 Active

JC/T 637-2023 JCT 637-2023 Sintered Grey Sand Multi-porous Brick

This document specifies the classification and marking of autoclaved lime-sand porous bricks, general requirements for raw materials, technical requirements, test methods, inspection rules, and product quality certificates, as well as storage and transportation. The autoclaved lime-sand porous bricks applicable to this document can be used in load-bearing parts of buildings above the moistureproof layer, but they must not be used in building parts subject to temperatures exceeding 200°C, sudden heating and cooling, or corrosion by acidic media.

Publish Date: 2023-12-20

JC/T 574-2023 Active

JC/T 574-2023 "Sea moss"

This document specifies the classification and marking, requirements, test methods, inspection rules, and labeling, packaging, transportation, and storage of zeolite products. This document applies to drilling mud, grease decolorization, construction coatings, purification materials, and general industrial zeolite products. Zeolite products for other purposes can also be referenced and adopted accordingly.

Publish Date: 2023-12-20

JC/T 573-2023 Active

JC/T 573-2023 Glass Fiber Sewing Thread

This document specifies the classification and designations, requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage of glass fiber sewing threads (hereinafter referred to as sewing threads). This document applies to smooth twisted yarns made from glass fiber raw yarns that have been degummed, twisted, and coated. They are mainly used for sewing glass fiber filter cloths, glass fiber sewing felts, and other glass fiber products.

Publish Date: 2023-12-20

JC/T 568-2023 Active

JC/T 568-2023 Magnesium oxide cement slate panel

This document specifies the classification, specifications, and marking of magnesium oxychloride cement panels, as well as the raw materials, technical requirements, test methods, inspection rules, packaging, marking, transportation, and storage. This document is applicable to magnesium oxychloride cement panels, which are mainly used in interior decoration panels and substrates of industrial and civil buildings.

Publish Date: 2023-12-20

JC/T 535-2023 Active

JC/T 535-2023 silica fume

This document specifies the classification and marking, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of wollastonite. This document is applicable to wollastonite used in rubber and plastics, ceramics, paints and coatings, metallurgy, papermaking, friction materials, silicon fertilizers (soil conditioners), welding materials, fiberglass, and building materials. Other applications of wollastonite can be used as a reference.

Publish Date: 2023-12-20