707-99-58031 7079958031 Boom Service Kit Cylinder Seal Kit For KOMATSU PC350-8 PC300-8 PC300LC-8

Why Choose Us?

1. We are manufacturers and product direct sales.

2. More than 10 years of industry experience.

3. Professional production technology, product good quality and Low price.

4. Fast delivery and support OEM/ODM order.

5. Large stock, over 30,000 sizes and more than 1 million pieces in stock.

6. We have the full range of excavator parts and stable and high quality production line.

Guarantee:

If you find any quality problems when the goods arrive, please contact us. If this is indeed our responsibility, we will resend the same parts for you free of charge in the next batch of orders. We hope to cooperate with you for a long time. With careful consideration, we can help you win a good reputation from consumers in terms of quality, delivery speed, packaging, etc.

Related Parts:

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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