KC6001 is a kind of butyl rubber mastic, with good viscosity, high temperature resistance (105℃), cold resistance (-40℃), waterproof insulation, never dry and other excellent properties. The product does not contain volatile organic compounds, environmental protection, safety, non-corrosive, suitable for switch cabinets, ring network cabinets, electrical joints, high-speed railway, subway, light rail and other waterproof sealing filling and insulation, easy to form, especially suitable for irregular structure of internal and external sealing.