ASTM-E918:2005 Edition

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E918-83(2005) Standard Practice for Determining Limits of Flammability of Chemicals at Elevated Temperature and Pressure

Published By	Publication Date	Number of Pages
ASTM	2005	5

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Category: ASTM

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Description

ASTM E918-83-Reapproved2005

Historical Standard: Standard Practice for Determining Limits of Flammability of Chemicals at Elevated Temperature and Pressure

ASTM E918

Scope

1.1 This practice covers the determination of the lower and upper concentration limits of flammability of combustible vapor-oxidant mixtures at temperatures up to 200°C and initial pressures up to as much as 1.38 MPa (200 psia). This practice is limited to mixtures which would have explosion pressures less than 13.79 MPa (2000 psia).

1.2 This practice should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use.

1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

ICS Code

ICS Number Code n/a

DOI: 10.1520/E0918-83R05

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Practice Significance and Use
2	Limitations Apparatus Safety Precautions FIG. 1
3	Preparation of Apparatus Procedure
4	Procedure Calculations A1. DIMENSIONS AND SPECIFICATIONS OF APPARATUS (FIG. 1) A1.1 Test Vessel A1.2 Rupture Disk Holder4 A1.3 Ignitor
5	A1.4 Needle Valves5 ,6 A1.5 Block Valves7 A1.6 Heated Chamber A1.7 Pressure Transducers10 A1.8 Thermocouple and Connector A1.9 Tubing A1.10 Connections

Additional information

Standard Title	E918-83(2005) Standard Practice for Determining Limits of Flammability of Chemicals at Elevated Temperature and Pressure
Published Code	ASTM
Publication Date	2005
Pages Count	5