GB/T 24148.4-2009 specifies the method for determining the viscosity of unsaturated polyester resins (UP-R), typically using a rotational viscometer or bubble viscometer. The viscosity of the resin directly affects its impregnation behavior in composite molding processes (such as hand lay-up and spray-up) and the quality of the final product.
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 | 83.080.01 |
| Release Date | 2009-06-15 00:00:00 | Implementation Date | 2010-02-01 00:00:00 |
