Buttress plastic bung is with coarse thread, as well as 2'' NPT plastic bung with fine thread, designing for induatrial plastic drums, HDPE barrels, plastic pails or IBC totes, precision threads and rubber or silicone gasket for leakage, such as EPDM gasket is compatible with a wide range of chemical products and high temperature.
The buttress plastic bungs are made from PP material, and available in general or vented models. Either buttress plastic bung or NPT plastic bung have excellent finishing, specificational consistency and sealing property.