GB/T 12009.3-2009 specifies the method for determining the viscosity of polymeric methylene diphenyl diisocyanate (polymeric MDI) used in plastics, typically using a rotational viscometer. Viscosity is an important parameter that affects the processing performance of such polyurethane raw materials during metering, mixing, and foaming.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | G31 | ICS | 83.080 |
| Release Date | 2009-06-15 00:00:00 | Implementation Date | 2010-02-01 00:00:00 |
