Standards

JC/T 2788-2023 Active

JC/T 2788-2023 Graphite-modified cement-based insulation board

This document specifies the classification and marking, raw materials, requirements, test methods, inspection rules, and product quality certificates, packaging, stacking, and transportation of graphite-modified cement-based insulation boards (hereinafter referred to as "insulation boards"). This document is applicable to wall, roof, and floor insulation projects in industrial and civil buildings, as well as graphite-modified cement-based insulation boards used in non-demountable composite insulation formwork and fire doors.

Publish Date: 2023-12-20

JC/T 2787-2023 Active

JC/T 2787-2023 JC/T 2787-2023 Mobile Crushing Plant for Construction Materials

This document specifies the structure, type, model, and basic parameters of mobile crushing stations used for construction materials (hereinafter referred to as "mobile crushing stations"), as well as technical requirements, test methods, inspection rules, marking and accompanying documents, packaging, transportation, and storage. This document is applicable to mobile crushing stations used for producing construction materials such as sand and gravel aggregates and recycled aggregates.

Publish Date: 2023-12-20

JC/T 2786-2023 Active

JC/T 2786-2023 V-type static classifier for cement industry

This document specifies the structure, models, and basic parameters of the V-type static classifier for the cement industry (hereinafter referred to as the classifier), technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage. This document is applicable to classifiers used in the cement industry to separate materials after being crushed by air-classifying roller presses or vertical roller mills. Classifiers used in coal powder preparation and sand making can also refer to and implement this document accordingly.

Publish Date: 2023-12-20

JC/T 2785-2023 Active

JC/T 2785-2023 Expanded Ceramic Tunnel Kiln

This document specifies the structural components, models, and basic parameters of foam ceramic tunnel kilns (hereinafter referred to as "tunnel kilns"), as well as their requirements, test methods, inspection rules, and marking, packaging, transportation, and storage. This document is applicable to tunnel kilns used for firing foam ceramic products with gas as the fuel source.

Publish Date: 2023-12-20

JC/T 2784-2023 Active

JC/T 2784-2023 The detection and classification of patterns on the end sections of flat glass strips

This document specifies the testing principles, testing equipment and requirements, sample preparation, testing steps, stripe identification and classification, and test reports for stripes on the end faces of flat glass. This document is applicable to the detection and classification of stripes on the end faces of flat glass products produced by the float glass process, with a thickness range of 0.2 mm to 15 mm.

Publish Date: 2023-12-20

JC/T 2783-2023 Active

JC/T 2783-2023 The determination of the content of silicon carbide in graphite

This document specifies the principles, reagents, instruments and equipment, sample preparation, experimental procedures, result calculation, and precision for determining the content of silicon carbide in graphite. This document is applicable to the determination of the content of silicon carbide in graphite, with a measurement range of 0.0005% to 3.00%.

Publish Date: 2023-12-20

JC/T 2782-2023 Active

JC/T 2782-2023 Jadeite chemical analysis method

This document specifies the chemical analysis methods and basic requirements for Jiaobaoji products. This document is applicable to the chemical composition analysis of Jiaobaoji and calcined Jiaobaoji.

Publish Date: 2023-12-20

JC/T 2781-2023 Active

JC/T 2781-2023 Pe Extrusion Wood-plastic Composites Surface and Base Layer Adhesion Strength Test Method

This document specifies the principles, instruments and devices, test methods, and test reports for the peel strength test of the surface layer and base layer of co-extruded wood-plastic composites with polyethylene (PE) as the base material. This document is applicable to co-extruded wood-plastic composites with polyethylene (PE) and its modified materials as the surface layer.

Publish Date: 2023-12-20

JC/T 2780-2023 Active

JC/T 2780-2023 Determination of moisture linear thermal expansion coefficient of wood-plastic products

This document specifies the testing principles, instruments and equipment, testing methods, and test reports for determining the moisture expansion coefficient of wood-plastic products. This document is applicable to wood-plastic products with a complete cross-section molded by extrusion molding.

Publish Date: 2023-12-20

JC/T 2779-2023 Active

JC/T 2779-2023 The method for testing the ion transport properties of ceramic electrode materials

This document describes the experimental method for determining the ion transport performance of ceramic electrodes using electrochemical impedance spectroscopy (EIS). The range of ion transport performance of ceramic electrodes applicable to this document is 10-10 cm2/s to 10-16 cm2/s.

Publish Date: 2023-12-20

JC/T 2778-2023 Active

JC/T 2778-2023 Test Method for Electrical Conductivity of Solid Electrolyte for Gas Sensors

This document describes the test device, samples, test methods, and test reports for the conductivity test of solid electrolytes used in gas sensors within a temperature range of 25°C to 400°C. This document is applicable to the conductivity testing of solid electrolytes used in gas sensors.

Publish Date: 2023-12-20

JC/T 2776-2023 Active

JC/T 2776-2023 Smooth emergency evacuation automatic door

This document specifies the classification, designation, and marking of smooth emergency evacuation automatic doors, as well as their materials and accessories, requirements, test methods, inspection rules, marking, packaging, transportation, and storage. This document is applicable to smooth emergency evacuation automatic doors in civil and industrial buildings.

Publish Date: 2023-12-20