Wriston Polymers Pvt. Ltd provides O rings used in air crafts. Wriston Polymers Pvt. Ltd is the manufacturer, exporter and supplier of molded rubber products. Wriston Polymers Pvt. Ltd has earned ISO/TS 16949:2002 certification. These O rings are available with a stainless steel screw. This assembly known as vent plug assembly is used to plug [by tightly screwing in] the cell containing potassium hydroxide solution as electrolyte. During charging the cell a slight amount of gas develops inside the cell. During discharging gas condenses to liquid. O ring prevents electrolyte leakage. [enhances the plugging effectiveness]. The subject cells made with nickel & cadmium ingredients are assembled as b and are being used in air crafts by Indian Air Force.
