Standards

JC/T 942-2022 Active

JC/T 942-2022 Butyl rubber waterproof sealing adhesive tape

This document specifies the classification, general requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of butyl rubber waterproof sealing adhesive tapes (hereinafter referred to as "butyl adhesive tapes"). This document is applicable to butyl adhesive tapes used for seam sealing in building waterproofing projects. The butyl adhesive tapes specified in this document are suitable for polymer waterproofing membranes, cement concrete and mortar, metal plates, and other substrates.

Publish Date: 2022-09-30

JC/T 940-2022 Active

JC/T 940-2022 Glass Fiber Reinforced Concrete (GRC) Decorative Products

This document specifies the terms and definitions, classification and marking, general requirements, raw materials, requirements, test methods, inspection rules, and marking, stacking, loading, transportation, and factory certificates for fiberglass-reinforced cement decorative products. This document is applicable to non-load-bearing fiberglass-reinforced cement decorative products.

Publish Date: 2022-09-30

JC/T 878.5-2022 Active

JC/T 878.5-2022 Cement industry hard-faced speed reducer, Part 5: Speed reducer for rolling mill

This document specifies the types, markings, and technical parameters of reducers used in roller presses, as well as their requirements, testing methods, inspection rules, marking, packaging, transportation, and storage. This section applies to reducers used in roller presses in the cement industry. Other industries may refer to and implement it accordingly.

Publish Date: 2022-09-30

JC/T 878.4-2022 Active

JC/T 878.4-2022 Cement industry hard-toothed surface reducer for use in rolling mills - Part 4: Vertical rolling mill reducer

This document specifies the types, markings, and technical parameters of reducers used in vertical roller mills, as well as their requirements, test methods, inspection rules, markings, packaging, transportation, and storage. This document is applicable to reducers used in vertical roller mills in the cement industry. Other industries may refer to and implement it accordingly.

Publish Date: 2022-09-30

JC/T 753-2022 Active

JC/T 753-2022 The chemical analysis methods for siliceous glass raw materials

This document specifies the methods for determining the loss on ignition, silica, aluminum oxide, iron oxide, titanium dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, and chromium trioxide in silica-based glass raw materials. This document is applicable to the chemical composition analysis of silica, sandstone, silica sand, and other silica-based glass raw materials.

Publish Date: 2022-09-30

JC/T 691-2022 Active

JC/T 691-2022 High chromium cast iron liner board

This document specifies the grades and markings, technical requirements, test methods, inspection rules, and markings, packaging, transportation, and storage of high-chromium cast iron liners. This document is applicable to high-chromium cast iron liners for tube mills in the cement industry. High-chromium cast iron liners and wear-resistant high-chromium cast iron parts used in other industries can also be referenced and adopted accordingly.

Publish Date: 2022-09-30

JC/T 682-2022 Active

JC/T 682-2022 Cement sand-lime test specimens forming vibrating table

This document specifies the general principles, technical requirements, testing methods, inspection rules, inspection reports, marking, and packaging of the vibration compaction table for cement paste specimens (hereinafter referred to as the vibration compaction table). This document is applicable to the vibration compaction table used in tests conducted in accordance with GB/T 17671.

Publish Date: 2022-09-30

JC/T 681-2022 Active

JC/T 681-2022 Planetary cement mortar mixer

This document specifies the general principles, technical requirements, inspection methods, inspection rules, inspection reports, marking, and packaging of planetary cement mortar mixers (hereinafter referred to as mortar mixers). This document is applicable to mortar mixers tested in accordance with GB/T 17671.

Publish Date: 2022-09-30

JC/T 648-2022 Active

JC/T 648-2022 JC/T 648-2022 Flat Glass Mixing Material

This document specifies the terms and definitions, technical requirements, inspection methods, and inspection rules for flat glass batch materials. This document is applicable to the quality inspection of flat glass batch materials, and the quality inspection of other glass batch materials can be used for reference.

Publish Date: 2022-09-30

JC/T 566-2022 Active

JC/T 566-2022 Attenuation of sound using perforated fiberglass cement board

This document specifies the terms and definitions, classification and marking, general requirements, product performance requirements, test methods, inspection rules, marking and certificates, transportation, packaging, and storage of perforated fiber-cement boards for sound absorption. This document is applicable to asbestos-free perforated fiber-cement boards and asbestos-free perforated calcium silicate boards used to control reverberation time and reduce environmental noise. Other perforated boards for engineering applications can refer to this document for implementation.

Publish Date: 2022-09-30

JC/T 507-2022 Active

JC/T 507-2022 JCT 507-2022 Marble-like Slab for Architectural Decoration

This document specifies the classification, specifications, and marking of water mosaic tiles used in building decoration (referred to as water mosaic tiles), as well as the raw materials, technical requirements, testing methods, inspection rules, marking, packaging, transportation, storage, protection, and maintenance. This document applies to prefabricated water mosaic products and cast-in-place water mosaic tiles.

Publish Date: 2022-09-30

JC/T 483-2022 Active

JC/T 483-2022 Polysulfide building sealant

This document specifies the classification, general requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of polysulfide construction sealants. This document is applicable to multi-component construction sealants cured at room temperature using liquid polysulfide rubber as the base material. This document is not applicable to polysulfide sealants used for the second sealing of insulated glass.

Publish Date: 2022-09-30