supply of hardener and resin for assembly glue, resin-a83 for assembly glue to shear strength 120 kg / sq.cm for manufacture of glued joints as per rdso manual for glued joint revised 1998 ( brand of rdso approved firms only ) ( shelf life of material should be minimum one year from the date of supply ) hsn code: a-83 39073010 senior section engineer ( group-v tamil nadu 1560.00 kg , hardener k83 for assembly glue to shear strength 120 kg / sq.cm for manufacture of glued joints as per rdso manual for glued joint revised 1998 ( brand of rdso approved firms only ) ( shelf life of material should be minimum one year from the date of supply ) hsn code: k83-39089090 senior section engineer ( group-v tamil nadu 625.00 kg , resin-l12 for glue to make insulation components of glued joints. specification shall conform to rdso manual for glued joint revised 1998 ( brand of rdso approved firms only ) ( shelf life of material should be minimum one year from the date of supply ) hsn code: l12-39073010 senior section engineer ( group-v tamil nadu 960.00 kg , hardener k6 for glue to make insulation components of glued joints. specification shall conform to rdso manual for glued joint revised 1998 ( brand of rdso approved firms only ) ( shelf life of material should be minimum one year from the date of supply ) hsn code: k6-29212990 senior section engineer ( group-v tamil nadu 96.00 kg