... function RSBJFiber-reinforced Moisture-proof Heat Shrinkable Sleeve1. General RSBJ is based on a unique glass fiber reinforced heat shrinkable ... cable sizes---Few components, fast and easy installation3. Application---RSBJ closures are suitable for non-pressurized and up to ... and aerial cables with polyethylene, lead and aluminium sheathing.---RSBJ closures are applicable both for straight as well as ...