Povučen
The principle, reagents, apparatus and the procedure are specified. The resistance is expressed by the volume of acid required for titration of the alkali extracted from the unit mass of glass. The permissible range of the values obtained and the limit values in the hydrolytic resistance grain test are listed.
POVUČEN
ISO 720:1981
POVUČEN
ISO 720:1985
95.99
Povučen
11. 9. 2020.
Staklo — Hidrolitička otpornost staklenih zrna na 121 °C — Metoda ispitivanja i klasifikacija
95.99 Povučen