supply of industrial safety helmet confirming to is:2925-1984 or latest version etcindustrial safety helmet confirming to is:2925-1984 or latest version etc,industrial safety helmet confirming to is:2925-1984 or latest version along with logo of team carriage . specification: a] it shall be made of high quality virgin hdpe material, the design shall be dome s haped as per is 2925. the shell shall design in such a manner to take on clip on accessories viz. ear defend ers, face shield and welding visor etc. b] the mass of helmet shall be 400 gm plus /minus 10 percent. c] hel met should have ratchet [knob] type headband, shall not be less than 30mm in width and so designed that adjustment to any size may be readily made and should be fitted with anti-concussion tapes secured at lea st at 6 to 8 anchoring points, forming a cradle. d] helmet shall be tested and approved by bis 2925-1984 or latest and firm shall provide performance test certificate as per relevant is code from nabl approved labor atory e] the logo of team carriage to be printed on frontside of the helmet. print quality should be promine nt. qty. required: 710 nos. (white-150 nos, yellow-300 nos, brown-260 nos). [ warranty period: 30 mon ths after the date of delivery ] ]