Abstract: Effects of amount-of-substance ratio of Na to K and pH on performances of anti-corrosive silicate adhesive were investigated by testing compression shear strength (mechanical property) through electron precision material test machine,and an appropriate formula (mass fraction) for anti-corrosive silicate adhesive was gained.Namely,mixture binder (amount-of-substance ratio of Na to K is 2) was 32%~35%,curing agent(SiO<SUB>2</SUB>) was 25%,filling (Al<SUB>2</SUB>O<SUB>3</SUB>) and other accessories were 35%,water was 5%~8%,and pH was about 12.Corrosion experiments on the prepared adhesive have been done by using analyzing method of potential-pH chart.Results showed that the adhesive has little corrosion to adhesive interface. 