tender for supply of gaskets for all circle, unit #1 to 4, ctpp, chhabra , compressed asbestos fiber jointing sheet, a consistently uniform, pliable , resilient product for general purpose application for maximum temperature - 380 °c., pressure 35 kg./ cm2, as per is 2712-1971 grade c equivalent to spitmaan style-20 steam(in kg.) , 0.5 mm , 1.0 mm , 1.5 mm , 2.0 mm , 3.0 mm , 5.0 mm , style-54 non metallic press-120 kg/cm2 temp 420 °c , 1.0 mm , 3.0 mm , compressed asbestos fiber steam jointing sheet graphite embedded with strong reinforcement of steel wire gauge for maximum temperature 600deg.c., pressure 220 kg./ cm2, equivalent to spitmaan style-54 super metallic of standard size 1590 mmx2000 m (in kg.) , 0.5 mm , 1.00 mm , 3.00 mm , 5.00 mm , compressed asbestos fiber jointing sheet non metallic suitable for oil maximum temperature 380°c & pressure 35kg/cm2 style-59 non- metallic , 0.25 mm , 0.5mm , 1.5mm , champion style 60 non metallic for sulphuric acid. , thickness (3 mm)