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ASTM D56-22
Standard Test Method for Flash Point by Tag Closed Cup Tester
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NORM herausgegeben am 1.7.2022
Informationen über die Norm:
Bezeichnung normen: ASTM D56-22
Ausgabedatum normen: 1.7.2022
SKU: NS-1068725
Zahl der Seiten: 13
Gewicht ca.: 39 g (0.09 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D56-22 :
Keywords:
combustible, fire risk, flammable, flash point, Tag closed cup,, ICS Number Code 75.080 (Petroleum products in general),87.040 (Paints and varnishes)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||||||||||||||||
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5.1?Flash point measures the tendency of the specimen to form a flammable mixture with air under controlled laboratory conditions. It is only one of a number of properties that shall be considered in assessing the overall flammability hazard of a material. 5.2?Flash point is used in shipping and safety regulations to define flammable and combustible materials. One should consult the particular regulation involved for precise definitions of these classes. 5.3?Flash point can indicate the possible presence of highly volatile and flammable materials in a relatively nonvolatile or nonflammable material. For example, an abnormally low flash point on a sample of kerosene can indicate gasoline contamination. |
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| 1. Scope | ||||||||||||||||||||||||||||||
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1.1?This test method covers the determination of the flash point, by Tag manual and automated closed testers, of liquids with a viscosity below 5.5 mm2/s (cSt) at 40 ?C (104 ?F), or below 9.5 mm2/s (cSt) at 25 ?C (77 ?F), and a flash point below 93 ?C (200 ?F). 1.1.1?Two sets of test conditions are used within this test method: low temperature (LT) test conditions for expected flash points < 60 ?C, and high temperature (HT) test conditions for expected flash points of ? 60 ?C. 1.1.2?For the closed-cup flash point of liquids with the following properties: a viscosity of 5.5 mm2/s (cSt) or more at 40 ?C (104 ?F); a viscosity of 9.5 mm2/s (cSt) or more at 25 ?C (77 ?F); a flash point of 93 ?C (200 ?F) or higher; a tendency to form a surface film under test conditions; or containing suspended solids, Test Method D93 can be used. 1.1.3?For cut-back asphalts refer to Test Methods D1310 and D3143. Note 1:?The U.S. Department of Transportation
(RSTA)1.2?This
test method can be used to measure and describe the properties of
materials, products, or assemblies in response to heat and flame
under controlled laboratory conditions and cannot 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 method can be used as elements of fire risk
assessment that takes into account all of the factors that are
pertinent to an assessment of the fire hazard of a particular end
use.
1.3?Related standards are Test Methods D93, D1310, D3828, D3278, and D3941. 1.4?The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.5?1.6?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||
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