This standard specifies the performance test methods for silica sol binders and coatings for investment casting, water Glass binders and coatings, ethyl silicate hydrolysis liquid binders and ethyl silicate coatings. It includes the determination of sodium oxidation content in silica sol binders, involving test equipment and materials such as methyl red indicator and muriatic acid standard solution. The test steps include weighing the sample, adding distillation water, adding indicator, titration, etc.
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 | (J31) 铸造 | ICS | |
| Release Date | 2018-04-30 00:00:00 | Implementation Date | 2018-12-01 00:00:00 |