dear sir warm wishes from us at sharp electrodes pvt. ltd. we wish to introduce ourself as one of the leading manufacturers and exporters of a wide range of electrodes. we have carved a niche for ourself in the local and the international market. we are in the market for purchase of potassium silicate – k66 & potassium silicate – mixed grade the specification is as given below. specification for potassium silicate - k66 property range specific gravity ( 30o c ) 1.32 to 1.34 viscosity ( 30o c) by b4cup 18 sec to 20 sec total alkalinity as k2o 10.75 to 11.75 k20 % 10.20 to 11.00 na2o % 0.5 max sio2 % 22.50 to 24.50 weight ratio 1:2.05 to 1:2.20 mole ratio 1:3.20 to 1:3.43 specification for potassium silicate – mixed grade potassium silicate k-66 : 2 parts potassium silicate k-76 : 1 part sodium silicate na – 80 : 20 kgs for 100 kgs of the above mix. kindly revert back at the earliest. thanks & regards s.rammohan general manager 330/2c1 , sharp nagar, kalapatti,coimbatore – 641035 ph : 0422 – 26286312627624 fax:0422-2627632 e-mail : sharpelectrodes@yahoo.co.in