Ultra Polymers offers PVC Heat Shrinkable Bus Bar Sleeves. Ultra Polymers also manufactures of the PVC Wiring Ducts and Bus Bars. PVC Heat Shrinkable Bus Bar Sleeves provide electrical insulation to bus bars of low tension systems in control panels and switchgear systems. PVC Heat Shrinkable Bus Bar Sleeves comes in thickness of 160 to 180 micron with colour choice of red, yellow and black.