DIN ISO 720:2021
Glass - Hydrolytic resistance of glass grains at 121 °C - Method of test and classification (ISO 720:2020)
- Standard No.
- DIN ISO 720:2021
- Release Date
- 2021
- Published By
- German Institute for Standardization
- Status
- Replace By
- DIN ISO 720:1989
- DIN ISO 720 E:2021-06
- Latest
- DIN ISO 720:1989
- DIN ISO 720 E:2021-06
- Scope
- This document specifies a method for determining the hydrolytic resistance of glass grains at 121 °C. The resistance is measured and expressed by the volume of acid required for titration of the alkali extracted from the unit mass of glass, and can also be expressed by the amount
DIN ISO 720:2021 history
- 2021 DIN ISO 720:2021 Glass - Hydrolytic resistance of glass grains at 121 °C - Method of test and classification (ISO 720:2020)
- 1989 DIN ISO 720:1989 Glass; Hydrolytic resistance of glass grains at 121 °C; method of test and classification; identical with ISO 720:1985
- 0000 DIN ISO 720:1987
- 0000 DIN 28817:1976
