Standards

JC/T 2850-2024 Active

JC/T 2850-2024 Testing method for interfacial bonding strength of cement-based 3D printing materials

This document specifies the classification of interface bonding strength tests for 3D-printed cement-based materials, laboratory environmental conditions and curing conditions, interface tensile strength tests, interface shear strength tests, interface splitting strength tests, and test reports. This document is applicable to the detection of interface bonding strength of cement-based materials formed by extrusion printing technology.

Publish Date: 2024-10-24

JC/T 2849-2024 Active

JC/T 2849-2024 Cesium-doped lutetium silicate single crystal

This document specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for cerium-doped lanthanum silicate single crystals. This document is applicable to cerium-doped lanthanum silicate scintillation crystals, and products of lanthanum silicate scintillation crystals doped with other elements can refer to this document.

Publish Date: 2024-10-24

JC/T 2848-2024 Active

JC/T 2848-2024 Glass fiber reinforced gypsum (GRG) decorative products

This document specifies the classification and marking, general requirements, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of fiberglass reinforced gypsum decorative products (hereinafter referred to as "GRG products"). This document applies to GRG products made with α-semi-hydrated gypsum as the coagulating material, fiberglass as the main reinforcing material, and a small amount of additives.

Publish Date: 2024-10-24

JC/T 2847-2024 Active

JC/T 2847-2024 Glass Fiber Mesh Gypsum Board

This document specifies the classification, specifications, and markings of fiberglass mesh gypsum boards, as well as their raw materials, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage. This document applies to fiberglass mesh gypsum boards used in buildings as non-load-bearing interior walls, ceilings, and substrates for decorative panels.

Publish Date: 2024-10-24

JC/T 2846-2024 Active

JC/T 2846-2024 Reinforced Ceramic SiC/Steel Composite Pipe with Abrasion-resistant Insulation。

This document specifies the product classification, technical requirements, testing methods, inspection rules, and marking, packaging, transportation, and storage of lined wear-resistant silicon carbide ceramic/steel composite pipes. This document is applicable to lined wear-resistant silicon carbide ceramic pipes used for gas-solid and liquid-solid two-phase flow transmission.

Publish Date: 2024-10-24

JC/T 2845-2024 Active

JC/T 2845-2024 Inner insulation type silicon carbide ceramic/steel composite pipe

This document specifies the product classification, technical requirements, testing methods, inspection rules, and marking, packaging, transportation, and storage of internally insulated silicon carbide ceramic/steel composite pipes. This document is applicable to internally insulated silicon carbide ceramic/steel composite pipes used for gas-solid two-phase flow transmission at temperatures below 1250°C.

Publish Date: 2024-10-24

JC/T 2270-2024 Active

JC/T 2270-2024 Expanded Clay Inorganic Gel

This document specifies the classification and labeling, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of bentonite inorganic gels. This document applies to inorganic gels made from bentonite through deep processing techniques such as purification, drying, and modification.

Publish Date: 2024-10-24

JC/T 2387-2024 Active

JC/T 2387-2024 Modified Polystyrene Foam Composite Decoration Products

This document specifies the classification and marking of modified polystyrene foam composite decorative products, raw materials, technical requirements, test methods, inspection rules, and product quality certificates, as well as packaging, transportation, and storage. This document applies to modified polystyrene foam composite decorative products used in architectural decoration projects.

Publish Date: 2024-10-24

JC/T 2339-2024 Active

JC/T 2339-2024 Ground source heat pump phase change energy storage material and component

This document specifies the classification and marking, general principles, technical requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of phase-change energy storage materials and components for floor heating. This document is applicable to materials and components with phase-change energy storage functions used in conjunction with floor heating construction.

Publish Date: 2024-10-24

JC/T 2306-2024 Active

JC/T 2306-2024 Cast Stone wear-resistant gate valve

This document specifies the classification, structure, and models, materials and components, requirements, test methods, inspection rules, packaging, marking, transportation, and storage of cast stone wear-resistant gate valves (hereinafter referred to as gate valves). This document is applicable to cast stone wear-resistant gate valves with a nominal pressure not exceeding PN63, a nominal size of DN50 to DN80, and a working medium temperature ranging from -29°C to 120°C.

Publish Date: 2024-10-24

JC/T 2305-2024 Active

JC/T 2305-2024 Cast Stone Abrasive Ball Valve

This document specifies the structure and models, materials and components, requirements, test methods, inspection rules, as well as packaging, marking, transportation, and storage of cast stone wear-resistant ball valves (hereinafter referred to as ball valves). This document is applicable to steel cast stone wear-resistant ball valves with a nominal pressure not exceeding PN100, a nominal size of DN50 to DN800, and a working medium temperature ranging from -29 ℃ to 120 ℃, which are connected by flanges and clamp-type flexible pipe joints.

Publish Date: 2024-10-24

JC/T 2190-2024 Active

JC/T 2190-2024 Cellulose ether for construction dry mixed mortar

This document specifies the classification and marking, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of cellulose ethers used in dry-mixed mortars for construction. This document is applicable to cellulose ethers used in dry-mixed mortars for construction, with cement as the main binding material.

Publish Date: 2024-10-24