ASTM D4640 1986 Edition, November 28, 1986
Standard Test Method for Determining Stroke Cure Time of Thermosetting Phenol-Formaldehyde Resins
Includes all amendments and changes through Reapproval Notice , 2009
Published By:ASTM International (ASTM)
This test method covers the determination of the cure rate at any specified temperature for a thermosetting phenolformaldehyde resin. The time at that temperature required to make a fluid mixture change into a hard immovable mass indicates speed of cure.
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.
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.