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Standard Test Method for Dropping Point of Waxes
Automaticky preložený názov:
Štandardná skúšobná metóda pre zvrhnutie Point of Vosky
NORMA vydaná dňa 1.10.2015
Označenie normy: ASTM D3954-15
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2015
Kód tovaru: NS-618214
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||
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