supply of industrial safety helmet navy blue colour.industrial safety helmet navy blue colour.,industrial safety helmet navy blue colour having glazed surface finish an d made as per is:2925-1984. the helmet shall be made of hdpe/abs grade plastic material suitable for use in heat zone application. the helmet shall have nape strap type adjusta ble inside plastic head band with nilon tape chin strap. sweat absorption pad should be provided at the front of head band inside. an opening slot of 20mm x 3mm on both sides of the helmet is to be provided for fixing ear muffs. the helmet should be isi/dgms appr oved and hence the helmet shall have isi/dgms mark. indian railway monogram shall be screen printed on the front side of the helmet. size:medium. [ warranty period: 30 month s after the date of delivery ] ]