Generally speaking, PTFE envelop gaskets are processed and formed from PTFE tube or pipe, can be U-shaped and V-shaped ,or according to drawings.
They can be chemical etched and then attached to rubber to create composite gaskets, or they can be made into a single layer, etched and then attached; Mainly used for sealing condensers and oil tank truck pipe covers; It can also be used for chemical pipelines, flange seals, valves, and some customers also use it for fluid equipment;
About the specification, We can make various specifications, with an outer diameter within 2000MM.