supply of industrial safety helmet confirming to is:2925-1984 or latest version along with logo of team carriage kwp-nwr. specification:industrial safety helmet confirming to is:2925-1984 or latest version along with logo of team carriage kwp-nwr. specification:,industrial safety helmet confirming to is:2925-1984 or latest version along with logo of team carriage kwp-nwr. specification: a] it shall be made of high quality industrial safety helmet confirming to is:2925-1984 or latest version along with logo of team carriage kwp-nwr. specification: a] it shall be mad e of high quality virgin hdpe material, the design shall be dome shaped as per is 2925. the shell shall desi gn in such a manner to take on clip on accessories viz. ear defenders, face shield and welding visor etc. b] the mass of helmet shall be 400 gm plus /minus 10 percent.c] helmet should have ratchet [knob] type hea dband, shall not be less than 30mm in width and so designed that adjustment to any size may be readily m ade and should be fitted with anti-concussion tapes secured at least at 6 to 8 anchoring points, forming a c radle. d] helmet shall be tested and approved by bis 2925-1984 or latest and firm shall provide performanc e test certificate as per relevant is code from nabl approved laboratory e] the logo of team carriage kwp -nwr will be provided at the time of supply order. [ warranty period: 30 months after the date of deliver y ] ]