초록 ▼

A solid cast block of corrosion inhibitor composition, comprising: (i) about 5 to 20 wt-% silicate, calculated as sodium metasilicate pentahydrate; (ii) about 5 to 90 wt-% borate, calculated as sodium tetraborate pentahydrate; (iii) about 0.5 to 5 wt-% polymeric dispersant such as polyacrylamide; an

A solid cast block of corrosion inhibitor composition, comprising: (i) about 5 to 20 wt-% silicate, calculated as sodium metasilicate pentahydrate; (ii) about 5 to 90 wt-% borate, calculated as sodium tetraborate pentahydrate; (iii) about 0.5 to 5 wt-% polymeric dispersant such as polyacrylamide; and (iv) a sufficient solidifying amount of water.

대표청구항 ▼

A composition comprising: (a) about 5 to 20 wt-% silicate, calculated as sodium metasilicate pentahydrate; (b) about 70 to 90 wt-% borate, calculated as sodium tetraborate pentahydrate; (c) about 0.5 to 5 wt-% polymeric dispersant; and (d) about 10 to 30 wt-% water; the composition being substantial

A composition comprising: (a) about 5 to 20 wt-% silicate, calculated as sodium metasilicate pentahydrate; (b) about 70 to 90 wt-% borate, calculated as sodium tetraborate pentahydrate; (c) about 0.5 to 5 wt-% polymeric dispersant; and (d) about 10 to 30 wt-% water; the composition being substantially free of any nitrite or nitrate salts, and cast into a solid block.