Product Features: 1. Color differentiation, high-end product. 2. Wide range of applications, commonly used in construction machinery and industry. 3. Extremely wide adaptability to materials, media and temperatures. 4. Complete range of specifications and types. Product Application Scope: 1. Commonly used O-rings in the maintenance of modern, Caterpillar, Hitachi and other construction machinery. Product Parameters: (Specific materials determine) 1. Pressure resistance: ≤5-80MPa (depending on working conditions, materials and retaining rings, etc.) 2. Movement speed: ≤0.3m/s 3. Material: NBR, FKM, SIL, etc. 4. Working temperature: -60~200℃