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ASTM D56-22

Standard Test Method for Flash Point by Tag Closed Cup Tester

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NORMA vydána dne 1.7.2022

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Informace o normě:

Označení normy: ASTM D56-22
Datum vydání normy: 1.7.2022
Kód zboží: NS-1068725
Počet stran: 13
Přibližná hmotnost: 39 g (0.09 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Ropné produkty všeobecně
Nátěrové hmoty, barvy a laky

Anotace textu normy 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)

Doplňující informace

Significance and Use

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.

1. Scope

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.

2. Referenced Documents

D3278-21	Standard Test Methods for Flash Point of Liquids by Small Scale Closed-Cup Apparatus
D3828-16a(2021)	Standard Test Methods for Flash Point by Small Scale Closed Cup Tester (Includes all amendments and changes 7/26/2021).
D3941-20	Standard Test Method for Flash Point by the Equilibrium Method With a Closed-Cup Apparatus
D4057-22	Standard Practice for Manual Sampling of Petroleum and Petroleum Products
D6299-23a	Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance (Includes all amendments and changes 12/12/2023).
D93-20	Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester
D1310-14(2021)	Standard Test Method for Flash Point and Fire Point of Liquids by Tag Open-Cup Apparatus
D3143-08	Standard Test Method for Flash Point of Cutback Asphalt with Tag Open-Cup Apparatus
E502-21a	Standard Test Method for Selection and Use of ASTM Standards for the Determination of Flash Point of Chemicals by Closed Cup Methods (Includes all amendments and changes 7/14/2021).
Method1101,	Federal Test Method Standard No. 791b
Method4291,	Federal Test Method Standard No. 141A
D6300-24	Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and Lubricants
Guide34
	Reference materialsGeneral and statistical principles for certification
E1-14(2020)	Standard Specification for ASTM Liquid-in-Glass Thermometers

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