Aicd-resistance: 20% hydrochloric acid liquor, weight-lost of boiling-erode ???1.6g/m2.d
Alkali-resistance: 0.1N sodium hydroxide liquor, 80˚ C weight-lost of eroding ???5.0g/m2.d
Do not use glass-lined equipment with fluorine ion medium or material of any concentration and any temperature. Don't use alkalescence medium of PH>12, temperature>80˚C, and phosphoric acid medium of concentration>30%, temperature>180˚C.