Komatsu 721-98-02220 7219802220 Cylinder Service Kits Excavator PC700LC-11 PC700LC-11E0 Bucket Sealing Kit

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Basic Requirements For Sealing Materials:

• The performance of the sealing material is an important factor to ensure effective sealing. The selection of the sealing material is mainly based on the working environment of the sealing element, such as the temperature, the working pressure, the working medium used, and the movement mode. The basic requirements for sealing materials are as follows:
• Have certain mechanical properties, such as tensile strength, elongation, etc.;
• Appropriate elasticity and hardness, small compression set;
• High temperature and low temperature resistance, no decomposition or softening at high temperature, and no hardening at low temperature;
• It is compatible with the working medium, without swelling, decomposition, hardening, etc.;
• Good oxygen resistance and aging resistance, durable;
• Abrasion resistance, no corrosion to metal;
• Easy to shape and process, low price. 

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Warm Reminder:

Parts are sold by part number only. Your engine or machine may need a different part number. If you think this is the right part but the part number advertised is different from what you think you need, or you are not sure of the correct part number, please contact us to confirm compatibility. Failing to verify compatibility may result in a return, significant restocking fees and money wasted on shipping.