supply of dry silica sanddry silica sand,dry silica sand for locomotive with specification - clean silica sand, free from clay, loams, mica and other foreign materia l as per specification no. m-916-51 (revised 1994),main fraction grain size ( 2 mm to 600 microns size) must be more than 40%, 600microns t o 300 microns should be 40-50%, 300 microns to 180 microns should be 10-20% and below 180microns should be not more than 05% , dul y sieved, dried and packed in clean good quality nylon gunny bag of size 19 inch x 15 inch, (weighing 25 gm per bag) with polythene lami nation (of thickness not less than 25 microns) containing 10 kg sand and properly sealed to avoid water entry and should be no leaka ge of sand through stitching holes. [ warranty period: 30 months after the date of delivery ] ] , dry silica sand for locomotive with specification - clean silica sand, free from clay, loams, mica and other foreign materia l as per specification no. m-916-51 (revised 1994),main fraction grain size ( 2 mm to 600 microns size) must be more than 40%, 600microns t o 300 microns should be 40-50%, 300 microns to 180 microns should be 10-20% and below 180microns should be not more than 05% , dul y sieved, dried and packed in clean good quality nylon gunny bag of size 19 inch x 15 inch, (weighing 25 gm per bag) with polythene lami nation (of thickness not less than 25 microns) containing 10 kg sand and properly sealed to avoid water entry and should be no leaka ge of sand through stitching holes. [ warranty period: 30 months after the date of delivery ] ]