Standards

JC/T 2775-2023 Active

JC/T 2775-2023 Foldable Automatic Door

This document specifies the classification, designation and marking of folding automatic doors, general requirements, specifications, test methods, inspection rules, marking, packaging, transportation and storage, and use and maintenance. This document is applicable to folding automatic doors in industrial and civil buildings.

Publish Date: 2023-12-20

JC/T 2774-2023 Active

JC/T 2774-2023 Fast pass gate

This document specifies the classification, specifications, and markings of speed gates, general requirements, testing methods, inspection rules, marking, packaging, transportation, and storage, as well as use and maintenance. This document is applicable to various speed gates in civil buildings.

Publish Date: 2023-12-20

JC/T 2767-2023 Active

JC/T 2767-2023 High-performance concrete pole

This document specifies the classification, raw materials, and structure of high-performance concrete power poles, general requirements, technical requirements, test methods, inspection rules, marking, storage and transportation, and product quality certificates. This document is applicable to power poles, communication poles, lighting poles, signal pole, surveillance pole, photovoltaic pole, etc.

Publish Date: 2023-12-20

JC/T 2766-2023 Active

JC/T 2766-2023 Anti-glare glass for optical equipment

This document specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for anti-ghosting glass used in optoelectronic devices (hereinafter referred to as "anti-ghosting glass"). This document is applicable to anti-ghosting glass used in optoelectronic devices, mainly used in low-light image intensifiers, image-conversion tubes, and other optoelectronic devices.

Publish Date: 2023-12-20

JC/T 2765-2023 Active

JC/T 2765-2023 Optically Guided Glass for Under-Screen Fingerprint Recognition

This document specifies the requirements, testing methods, inspection rules, and packaging, transportation, and storage for light guide glass used in under-screen fingerprint recognition. This document is applicable to the design, production, and testing of light guide glass used in under-screen fingerprint recognition for smartphones, tablets, smart locks, and other devices.

Publish Date: 2023-12-20

JC/T 2762-2023 Active

JC/T 2762-2023 Silica glass wool

This document specifies the designations and markings, requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of quartz glass wool. This document is applicable to quartz glass wool produced by the melt-blown method using quartz glass rods.

Publish Date: 2023-12-20

JC/T 2760-2023 Active

JC/T 2760-2023 Sandstone Shaping Machine

This document specifies the type, model, and basic parameters of the sandstone shaping machine (hereinafter referred to as "shaping machine"), technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage. This document is applicable to vertical impact sandstone shaping equipment that crushes various rocks or other materials with a compressive strength of no more than 350 MPa and changes the shape of the particles.

Publish Date: 2023-12-20

JC/T 2759-2023 Active

JC/T 2759-2023 ceramic water storage material

This document specifies the requirements, test methods, inspection rules, marking and instructions, as well as transportation, storage, and ordering for ceramic water storage materials. This document is applicable to ceramic water storage materials used in sidewalks, green belts, planting areas, soil improvement areas, and other areas requiring water retention and related to the construction of sponge cities.

Publish Date: 2023-12-20

JC/T 2758-2023 Active

JC/T 2758-2023 The method for testing the permeability of concrete gas

This document specifies the testing principles, equipment and requirements, specimen preparation and testing process, result calculation and processing, and test reports for the testing method of concrete gas permeability. This document is applicable to the testing of concrete gas permeability.

Publish Date: 2023-12-20

JC/T 2757-2023 Active

JC/T 2757-2023 Fine ceramic thermal diffusivity test method: Laser flash method

This document describes the laser flash method for measuring the thermal diffusivity of fine ceramics. This document is suitable for measuring the thermal diffusivity of homogeneous bulk ceramics with a porosity of less than 10% in the temperature range from room temperature to 1,700 K. Under the condition that the density and other data of the measured materials are known, the thermal conductivity value can also be measured simultaneously.

Publish Date: 2023-12-20

JC/T 2756-2023 Active

JC/T 2756-2023 The method of wear test for ceramic grinding balls using vertical sand milling machine, as stipulated in JC/T 2756-2023

This document specifies the principle, test equipment, sample requirements, instrument calibration, test steps, result calculation, and test report for determining the specific heat capacity of fine ceramics from 100°C to 1,600°C using differential scanning calorimetry. This document is applicable to determining the high-temperature specific heat capacity of fine ceramics, and other thermally stable solids can also be used for reference.

Publish Date: 2023-12-20

JC/T 2753-2023 Active

JC/T 2753-2023 Cement industry materials classification and code

This document specifies the classification principles and methods, coding principles and methods, and classification codes for the classification of materials in the cement industry. This document is applicable to the collection, classification, processing, exchange, and organization of industrial material information in cement enterprises.

Publish Date: 2023-12-20