O-ring Specifications and Standards
O-ring specifications and models mainly include UHSO, UHPO, UNO, DHO, piston rod O-rings, high-temperature resistant O-rings, high-pressure resistant O-rings, corrosion-resistant O-rings, and wear-resistant O-rings.
O-ring standards mainly include: Chinese National Standard GB 1235-76, Chinese National Standard GB3452.1-92; Japanese Standard P TYPE, G TYPE, S TYPE, SS/V TYPE, F TYPE; American Standard AS568; British Standard series; European Standard series.
O-ring technical requirements include appearance requirements, dimensional requirements, and material physical property requirements.
Appearance requirements conform to GB/T3452.2-2007.
Material requirements conform to HG/T2579-2008.
Dimensional requirements conform to GB/T3452.1-2005.