A State-of-art, high performance. MAS- Sureseal Non Asbestos Pump and Valves packing compound with unlimited shelf life is manufactured from inert Non Asbestos self lubricating high tech fibres. High temperture avionics grease and other proprietary binders. MAS-SURESEAL is easier to install and is universal in sealing. The size of equipment is irrelevant; as it is malleable, putty - like product, packed in bulk form. The biggest advantage to use MAS-Sureseal is that IT NEVER NEEDS COOLING WATER and has low initial cost.