... gasket have been use in electronic products. O-Rings General Information:The O-Rings is toroidal, moulded seal with circular cross-section ... , Japanese Series Orings, Metric Orings range. Advantages of O-Rings:They seal over a wide range of pressure, temperature and ... torque on tightening, therefore unlikely to cuase structural damage, O-rings normally require very little room and are light in weight ...