tender for supply of metal clad oil seals (viton) for journal assembly of xrp 803 mills - 200 nos , metal clad oil seals (viton) for journal assembly of xrp 803 mills. technical specification: bhel code- a633 size:od-292.5 mm, id-238 mm, thickness: 24mm, make: ss rubbers material: 1.heal:double metal clad, with 1.6mm sheet material 2.lip: viton with carbon filling to withstand temperature up to 260oc the material shall be tested on lab prepared separately for the following properties a) density: 1.9 to 1.95 (gm/cm2) b) hardness : shore a80+5 c) tensile strength in kg/cm2 130min. d) % of elongation: 170min. 3.ageing test : after 5 days of heating at 230o c a) increase in hardness:+6% b) max. reduction in elongation :-30% c) max. decrease in tensile strength : -10% 4.grade of viton : fluro elastomers viton b-50 material ( dupont dow elastomers, usa) 5.garter spring : with hooked/ screwed ends made up of stainless steel with suitable tensile length