ASTM-D7487 2024(Redline)

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D7487-24 Standard Practice for Polyurethane Raw Materials: Polyurethane Foam Cup Test (Redline)

Published By	Publication Date	Number of Pages
ASTM	2024	10

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Categories: 83.080.10 - Thermosetting materials, ASTM

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Description

ASTM D7487-24

Redline Standard: Standard Practice for Polyurethane Raw Materials: Polyurethane Foam Cup Test

ASTM D7487

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Note 1: There is no known ISO equivalent to this standard.

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.

Keywords

cream time; cup test; foam testing; formulated polyol; free rise density; free rise height; free rise time; initiation time; isocyanate; polyurethane; pull time; raw material; resin blend; settle back; sigh back; sink back; string gel time; tack free time; top of cup time;

ICS Code

ICS Number Code 83.080.10 (Thermosetting materials)

DOI: 10.1520/D7487-24

Additional information

Standard Title	D7487-24 Standard Practice for Polyurethane Raw Materials: Polyurethane Foam Cup Test (Redline)
Published Code	ASTM
Publication Date	2024
Pages Count	10
ICS Codes	83.080.10 - Thermosetting materials