corrigendum - procurement of dolomite powder . , please fillup gst registraion no . , dolomite powdertechnical specification: dolomite powder should be supplied in standard packing in 50kg bag & supplied qty . should not exceed 202 . 5 mt . tolerance of ( - ) 5 ton shall be accepted . a ) dolomite powder should be white in colour . b ) easily dispersible in air . c ) it should not cake . d ) it should be of such fineness that dry dust not less than 50% by weight should pass through 60 mesh sieve and not more than 75% through 240 mesh sieve . e ) it should be of incombustible material . certificate to above effect should be obtained from cmrs or other govt . approved test house . analysis shall have percentage of free silica , seven test & dispersibility test .