Standard Active Last Updated: May 15, 2023 Track Document
ASTM D1465-10(2021)

Standard Test Method for Blocking and Picking Points of Petroleum Wax

Standard Test Method for Blocking and Picking Points of Petroleum Wax D1465-10R21 ASTM|D1465-10R21|en-US Standard Test Method for Blocking and Picking Points of Petroleum Wax Standard new BOS Vol. 05.05 Committee D02
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Significance and Use

5.1 Blocking of waxed paper, because of the relatively low temperatures at which it may occur, can be a major problem to the paper-coating industry. For example, when the waxed surfaces in a roll of waxed paper stick together, upon separation the surface films are marred and the glossy finish is destroyed. The wax picking point and the wax blocking point indicate an approximate temperature range at or above which waxed surfaces in contact with each other are likely to cause surface film injury.


1.1 This test method covers the determination of the blocking point and picking point of petroleum wax.

1.2 WARNING—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Use Caution when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for additional information. The potential exists that selling mercury or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their location.

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

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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Book of Standards Volume: 05.05
Developed by Subcommittee: D02.10
Pages: 4
DOI: 10.1520/D1465-10R21
ICS Code: 75.140