GB/T 21789-2025 Active National standards

GB/T 21789-2025 Determination of flash point—Abel closed-cup method

GB/T 21789-2025 Determination of flash point—Abel closed-cup method

Publish Date: 2025-10-05 Implement Date: 2026-02-01 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 21789-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Logo, packaging, transportation, storage
ICS Name: Chemical products
Publish Date: 2025-10-05
Implement Date: 2026-02-01
Pages: 28 pages

Scope

This document describes the methods of manually and automatically determining the flash point of flammable liquids using the closed-cup method.
This document is applicable to the determination of the flash point of flammable liquids with a temperature range of -30.0°C to 75.0°C.
This document is not applicable to the determination of the flash point of water-based paints.

Development Information

Word Count: 38 Thousand words Pages: 28 pages

Replace the following standards

Referenced Standards

GB/T 514-1983 Liquid in glass thermometers for petroleum products—Specification GB/T 514-2005 Specification for liquid-in-glass thermometers for testing of petroleum products GB 3186-1982 Sampling paint products GB/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes—Sampling GB/T 4756-1998 Petroleum liquids—Manual sampling GB/T 4756-2015 Method for manual sampling of petroleum liquids GB/T 5208-1985 Coatings—Flash point test—Rapid equilibrium method GB/T 5208-2008 Determination of flash point—Rapid equilibrium closed cup method GB/T 6680-2003 General rules for sampling liquid chemical products GB/T 6683.1-2021 Petroleum and related products—Precision of measurement methods and results—Part 1:Determination of precision data in relation to methods of test GB/T 6683.3-2023 Petroleum and related products—Precision of measurement methods and results—Part 3:Monitoring and verification of published precision data in relation to methods of test GB/T 15000.3-1994 Directives for the work of reference materials(3) General principles and statistic methods for certification of reference materials GB/T 15000.3-2008 Directives for the work of reference materials(3)—Reference materials—General and statistical principles for certification GB/T 15000.3-2023 Directives for the work of reference materials—Part 3:Reference materials—Characterization and assessment of homogeneity and stability GB/T 15000.7-2001 Directives for the work of reference materials(7)—General requirements for the competence of reference material producers GB/T 15000.7-2012 Directives for the work of reference materials (7)—General requirements for the competence of reference material producers GB/T 15000.7-2021 Directives for the work of reference materials—Part 7:General requirements for the competence of reference material producers GB 15603-1995 Rule for storage of chemical dangers GB 15603-2022 General rules for the hazardous chemicals warehouse storage GB/T 27867-2011 Petroleum liquid—Automatic pipeline sampling

Adopt standards

ISO 13736:2021

Related Standards

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