Standard Historical Last Updated: Jul 28, 2014 Track Document
ASTM D87-09

Standard Test Method for Melting Point of Petroleum Wax (Cooling Curve)

Standard Test Method for Melting Point of Petroleum Wax (Cooling Curve) D0087-09 ASTM|D0087-09|en-US Standard Test Method for Melting Point of Petroleum Wax (Cooling Curve) Standard new BOS Vol. 05.01 Committee D02
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Significance and Use

Melting point (cooling curve) is a test that is widely used by wax suppliers and consumers. it is particularly applied to petroleum waxes that are rather highly paraffinic or crystalline in nature. A plateau occurs with specimens containing appreciable amounts of hydrocarbons that crystallize at the same temperature, giving up heat of fusion, thus temporarily retarding the cooling rate. In general, petroleum waxes with large amounts of non-normal hydrocarbons or with amorphous solid forms will not exhibit a plateau.

Scope

1.1 This test method covers the determination of the melting point (cooling curve) of petroleum wax. It is unsuitable for waxes of the petrolatum group, microcrystalline waxes, or blends of such waxes with paraffin wax or scale wax.

Note 1—For additional methods used for testing petroleum waxes, see Test Method D127 and Test Method D938. Results may differ, depending on the method used. For pharmaceutical petrolatum, Test Method D127 usually is used.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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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Details
Book of Standards Volume: 05.01
Developed by Subcommittee: D02.10.0A
Pages: 5
DOI: 10.1520/D0087-09
ICS Code: 75.140