1, resistant to common acid and alkali corrosion;

2. Transparent and convenient for observation and experiment;

3, good thermal conductivity, convenient for heating and cooling.

4. Inorganic salt glass is stable to alkali and weak acid, so potassium sulfate and sodium sulfate can be used instead of calcium ions in glass for strong acid reaction and sulphoaluminate reaction.

Physical properties: Bad conductors of electricity and heat are amorphous.