The document specifies the formula for the calculation. In this ratio, only sodium oxide and potassium oxide combined in the form of silicates is considered. Replaces ISO Recommendation R 1689-1970.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 1689:1976 |
| Product Name | Sodium and potassium silicates for industrial use - Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide |
