product name: O ring box description: this O ring box include 18-32 kinds of different material and different size O ring, which is very important tools during machine repair. advantages: Compared with other seals, O - ring has more advantages: The economy of a low-cost solution; Simple, decrease the cost of hardware and design of groove structure; Compact structure, allowing smaller hardware; Convenient, easy installation, reduce risk; Applicable to a wide range of sealing problems: static, dynamic, single or double role; A wide range of compounds selected compatible with most of the fluid; This time around the world, it is more convenient to maintain and repair. Technical data: Working pressure (stud circle) : dynamic seal 15 Mpa or less; Static seal 40 Mpa or less; Working pressure (no gear ring) : dynamic seal or less 5 Mpa; Static seal acuities were 20 Mpa; Working pressure (special archives circle) : static seal 200 Mpa or less; 0.5 m/s speed: reciprocating motion or less; Rotary motion 2.0 m/s or less; Temperature: 55 to + 200 , depends on the O ring material. Medium: mineral hydraulic oil, flame retardant hydraulic oil (HFA, HFB, HFC), water, gas, etc material Standard material: nitrile rubber, shaw A, 70. Code: N7; Shaw A, 90. Code: the N9; Other materials: FKM, FPM, VITON, VMQ, EPDM, HNBR, ACM, CR, FFKM; Special purpose: Request other material combination of special purpose, please contact Ningbo Tenlong Industry Co., LTD.