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