Asbestos Gland Packing is made with a braided or woven system with a box-shaped cross-section and the components can be asbestos and so on the fluid in the pump is what functions as a lubricant for the gasket.
Asbestos Gland Packing A seal which is generally also called a seal is a part in a machine tool construction that functions as a barrier / blocker for the entry and exit of fluids, be it process fluids or lubricants. Seal refers more to the understanding of a function, whatever the shape and material, functions to prevent leakage.
Packing was created as a sealing device, but because it has to drip, it is more appropriately called a restrictional device.