HG/T 4574-2014
Polyurethane material.Determination of foam reaction characteristic (English Version)

Standard No.

HG/T 4574-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Chemical Industry

Latest

HG/T 4574-2014

Scope

This standard specifies the method for determining the foaming reaction characteristics of polyurethane raw materials. This standard is suitable for measuring the milky white time (starting time), cup top time, free rising time, free rising height, gel time (drawing time), non-stick time, Fallback percentage and free foam density.

HG/T 4574-2014 Referenced Document

• GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
• GB/T 6343-2009 Cellular plastics and rubbers.Determination of apparent density

HG/T 4574-2014 history

• 2014 HG/T 4574-2014 Polyurethane material.Determination of foam reaction characteristic