supply of pressure senstive adhesive tape for electrical purposes ( black cottontapes with thermoplastic adhesive) 15mm wide x 0.4mm thickness in roll of 25 mtrs.conforming to is: 7809(part-1)/1975 (reaffirmed 2004) with amendment number 1 and 2, is 7809(part-2)/1977 (reaffirmed 2007) with amendment number 1, with rly. monogram e.rly to beprinted in english and hindi on non adhesive back side.