ASTM-D4640 Standard Test Method for Determining Stroke Cure Time of Thermosetting Phenol-Formaldehyde Resins

ASTM-D4640 - 1986 R17 EDITION - CURRENT
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Standard Test Method for Determining Stroke Cure Time of Thermosetting Phenol-Formaldehyde Resins
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Scope

1.1 This test method covers the determination of the cure rate at any specified temperature for a thermosetting phenol-formaldehyde resin. The time at that temperature required to make a fluid mixture change into a hard immovable mass indicates speed of cure.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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.

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.

Keywords

phenol-formaldehyde resins; stroke cure time;; ICS Number Code 83.080.10 (Thermosetting materials)

To find similar documents by ASTM Volume:

06.03 (Paint -- Pigments, Drying Oils, Polymers, Resins, Naval Stores, Cellulosic Esters, and Ink Vehicles)

To find similar documents by classification:

83.080.10 (Thermosetting materials Including ebonite Silicones, see 71.100.55)

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Document Number

ASTM-D4640-86(2017)

Revision Level

1986 R17 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

June 15, 2017

Document Type

Test Method

Page Count

2 pages

Committee Number

D01.33