JC/T 2866-2025 Active Industry standards-Building materials

JC/T 2866-2025 Gypsum Retarder

JC/T 2866-2025 JC/T 2866-2025 Gypsum Cementitious Agent for Slow Setting

Publish Date: 2025-04-10 Implement Date: 2025-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: JC/T 2866-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Gypsum products

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2025-04-10

Implement Date: 2025-11-01

Scope

This document specifies the classification and labeling of retarders used in construction gypsum, technical requirements, test methods, inspection rules, product manuals, packaging, factory production, transportation, and storage. This document applies to retarders used in construction gypsum, and retarders used in other types of gypsum can be implemented with reference to this document.

Development Information

Related Standards

GB/T 2022-1980 Replaced

GB/T 2022-1980 Test method for heat of hydration of cement—Adiabatic method

Publish Date: 1980-09-27

GB/T 177-1985 Abolished

GB/T 177-1985 Test method for strength of hydraulic cement mortar

Publish Date: 1985-06-29

GB/T 6645-1986 Replaced

GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production

Publish Date: 1986-07-29

GB/T 7897.1-1987 Replaced

GB/T 7897.1-1987 Test method of mechanical properties of mortar for ferrocement General principle

Publish Date: 1987-06-05

GB/T 7897.2-1987 Replaced

GB/T 7897.2-1987 Test method of mechanical properties of mortar for ferrocement Test of bending strength

Publish Date: 1987-06-05

GB/T 7897.3-1987 Replaced

GB/T 7897.3-1987 Test method of mechanical properties of mortar for ferrocement Test of compressive strength

Publish Date: 1987-06-05