GB/T 9776-2022 Active National standards

GB/T 9776-2022 Calcined gypsum

GB/T 9776-2022 Calcined gypsum

Publish Date: 2022-12-30 Implement Date: 2023-07-01 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: GB/T 9776-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Gypsum products

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2022-12-30

Implement Date: 2023-07-01

Pages: 13 pages

Scope

This document specifies the classification and marking of construction gypsum, raw materials, technical requirements, test methods, inspection rules, and packaging, marking, transportation, and storage.
This document is applicable to construction gypsum made from natural gypsum, flue gas desulfurization gypsum, and phosphogypsum. Construction gypsum prepared from other industrial by-products can be implemented in accordance with this document.

Development Information

Word Count: 28 Thousand words Pages: 13 pages

Replace the following standards

GB/T 9776-2008 Calcined gypsum

Referenced Standards

GB/T 5483-2008 Natural gypsum GB/T 5484-2012 Methods for chemical analysis of gypsum GB/T 17669.1-1999 General test conditions for gypsum plasters GB/T 17669.3-1999 Gypsum plasters—Determination of mechanical properties GB/T 17669.4-1999 Gypsum plasters—Determination of physical properties of pure paste GB/T 23456-2018 Phosphogypsum GB 6566-2001 Limit of radionuclides in building materials GB 6566-2010 Limits of radionuclides in building materials GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 36141-2018 Methods for phase composition analysis of calcined gypsum GB/T 37785-2019 Flue gas desulfurization gypsum JC/T 2073-2011 The determination method of phosphorus and fluorine in portland cement gypsum (JC/T 2073-2011) is provided

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