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Database: 365,228(8 Aug 2026)
flash point method flash point reproducible flash point measurements small closed cup apparatus flash fire bayonet lampholders scopethis standard applies medical x-ray high voltage generators scopethis document rail transit equipment introductionthis standard
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  2. GB/T 21790-2025 in English
GB/T 21790-2025 in English

GB/T 21790-2025 in English

VALID

Determination of flash point—Method for flash no-flash and flash point by small scale closed cup tester

  • Issued on:2025-10-05
  • Implemented on:2026-02-01
  • File Format:PDF
  • Delivery:Via email within 5 business days
Price(USD)： $510.00
$495.00
Standard No: GB/T 21790-2025
Document status: VALID
Title in English: Determination of flash point—Method for flash no-flash and flash point by small scale closed cup tester
Title in Chinese: 闪点的测定 用小型闭杯试验仪测定闪燃非闪燃和闪点的方法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 5 business days
Issued on: 2025-10-05
Implemented on: 2026-02-01
Superseding: GB/T 21790-2008 Determination of flash/no flash - Rapid equilibrium closed cup method
ICS Classification: 13.300-Protection against dangerous goods
Chinese Classification: A80-Marking, packaging, transport and storage in general
Professional Classification: GB-National Standard
Related Keywords: flash point method
flash point
reproducible flash point measurements
small closed cup apparatus
flash fire

《GB/T 21790-2025闪点的测定 用小型闭杯试验仪测定闪燃非闪燃和闪点的方法》由TC251（全国危险化学品管理标准化技术委员会）归口，主管部门为国家标准委。


Introduction

This standard provides a method for determining the flash point of substances using a small closed cup apparatus. It outlines procedures for identifying flash fire and flash point, ensuring consistent and reliable results. The method is applicable to a wide range of materials and is designed to be conducted under controlled conditions. The standard specifies the equipment required, the preparation of samples, and the steps involved in the testing process. It also includes details on the interpretation of results and the safety precautions that should be taken during testing. The standard is intended to support laboratories and industry professionals in achieving accurate and reproducible flash point measurements.

*** Please note: This description may not be accurate, please refer to the official documentation.

More samples: DL/T 368-2010 JGJ 94-2008 DL/T 5154-2012
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