e-tender no. 02/ewc-mrt/2022-23 supply of neoprene oil seals of following sizes made of best quality neoprene rubber as per relevant iss meant for electrical use in repairing of distribution transformer as per g.t.p sample , supply of neoprene oil seals of following sizes made of best quality neoprene rubber as per relevant iss meant for electrical use in repairing of distribution transformer& as per g.t.p & sample with following properties:- properties: (i) shore hardness -38 to 42 durometer a (ii) tensile strength-105 kg/cm2 (minimum) (iii) ultimate elongation - 350% ( minimum) (iv) size tolerance radius - (+/-) 1.0 mm (v) height & other dimension-(+) 0 mm, (-) 1.0 mm , in size m-12 suitable for h.t side transformer , in size m-12 suitable for lt side transformer