ASTM International - ASTM D7487-13
Standard Practice for Polyurethane Raw Materials: Polyurethane Foam Cup Test
| Organization: | ASTM International |
| Publication Date: | 1 November 2013 |
| Status: | inactive |
| Page Count: | 5 |
| ICS Code (Thermosetting materials): | 83.080.10 |
significance And Use:
5.1 General Utility:
5.1.1 It is useful to verify catalyst levels in a resin blend or a polyurethane system.
5.1.2 This practice is suitable for research, quality control,... View More
scope:
1.1 This practice covers the determination of cream time (initiation time), top of cup time, free rise time, free rise height, string gel time (pull time), tack free time, settle back, and free rise density of polyurethane foam formulations using a cup foam test.
1.2 Typical definitions, terms, and techniques are described; including procedures for mixing and transferring samples to the foaming container; and data gathering and evaluation. However, agreement between the customer and the testing laboratory for all these items must be obtained prior to use.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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 and health practices and determine the applicability of regulatory limitations prior to use.
Note 1-There is no known ISO equivalent to this standard.
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