We are manufacturing alkaline sodium silicate glass/lumps at morbi –gujarat. -------------------------------------------------- Specification : 2.3 ratio +/- 0.1 Appearance : light blueish lumps Na2o : 30.00 - 31.00% Sio2 : 69.00 - 70.00% Wt. Ratio : 1:2.25 - 1:2.35% Tot. Solids : 99.00 - 100% ----------------------------------------------- Pl. Inquire us with your specific requirements. Thanks, From, mr.Dedania Patidar products – morbi .