GB/T 12009.3-2009 "Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity"

Part 3 of this standard specifies the method for determining the viscosity of polymethylene polyphenyl isocyanate (MDI). This standard allows for the accurate determination of the viscosity of MDI under specific conditions to ensure its Stability and performance in plastics processing. The standard describes in detail the required instrumentation, measurement procedures, calculation methods and result expression requirements for the experiment, and is suitable for viscosity testing during quality control and product development.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.