e-tender procurement for the supply of silicagel blue indicating type e-tender for the supply of silicagel blue indicating type - 2000kg to the mettur thermal power station-i as per annexure enclosed , silicagel (blue indicating type), size : 8mm to 10mm as per is 3401/1992 (reaffirmed 2003) in 25kg hdpe bags technical specification:- (1) description : silicagel (2) colour : dark blue (3) type : indicating type (4) particle size (mesh) : 8 to 10mm (5) ph : 6 - 7 (6) bulk density : 0.600 to 0.700gm/cc (7) loss of drying : 5-6% (8) loss of attrition : 2.5% (9)absorption capacity at 100% humidity : 25 - 40% (10) friability : 99.5 (11) chloride : 0.5 ppm (12) sulphates : 0.5 ppm (13) cobalt chloride : 1 to 1.5% (in indicating type)