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ASTM D4893-20
Standard Test Method for Determination of Pitch Volatility
Přeložit název
NORMA vydána dne 1.6.2020
Informace o normě:
Označení normy: ASTM D4893-20
Datum vydání normy: 1.6.2020
Kód zboží: NS-997595
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM D4893-20 :
Keywords:
coal, pitch, tar, volatility,, ICS Number Code 75.140 (Waxes, bituminous materials and other petroleum products)
Doplňující informace
| Significance and Use |
|
4.1 This test is useful in evaluating and characterizing pitch physical properties in comparing the consistency of shipments and sources of supply. |
| 1. Scope |
|
1.1 This test method covers the determination of the percent of pitch volatility. 1.2 Since this test method is empirical, strict adherence to the procedure is necessary. 1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are given for information only. 1.3.1 Exceptions—The diameter of a special aluminum block is measured in inches. 1.4 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. 1.5 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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