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Standard Test Method for Dropping Point of Waxes
Name übersetzen
NORM herausgegeben am 1.12.2022
Bezeichnung normen: ASTM D3954-15(2022)
Ausgabedatum normen: 1.12.2022
SKU: NS-1097754
Zahl der Seiten: 2
Gewicht ca.: 6 g (0.01 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
drop point, waxes ,, ICS Number Code 71.100.99 (Other products of the chemical industry)
Significance and Use | ||
4.1?Waxes do not go through a sharp solid-liquid phase change when heated and therefore do not have a true melting point. As the temperature rises, waxes gradually soften or become less viscous. For this reason, the determination of the softening point must be made by an arbitrary but closely defined method if test values are to be reproducible. 4.2?This test is useful in determining the consistency of waxes, and as one element in establishing the uniformity of shipments or source of supply. 4.3?This test method has been found suitable for all types of waxes including paraffin, microcrystalline polyethylene, and natural waxes. |
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1. Scope | ||
1.1?This test method covers the determination of the ASTM dropping point for waxes. 1.2?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3?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. 1.4?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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