Blind Hole Round Rubber Grommets
| Material | NR |
| Density | 0.92~0.96 g/cm³ |
| Hardness | 30~90Shore A |
| Tensile strength | 15~30 MPa |
Introduction
Blind hole round rubber grommets are a special type of rubber grommets that are round and have a blind hole design.
This design allows the rubber grommet to be slipped onto a rod or shaft during installation and provides sealing and retention functions through the elasticity of the rubber.
Application scope
1. Sealing of vehicles and ships: At the connection between vehicles and ships, blind hole round rubber grommets can act as a seal to prevent liquid or gas leakage.
2. Hydraulic system: In the hydraulic system, a round rubber grommet is used to seal the piston rod of the hydraulic cylinder and hydraulic valve. They prevent fluid leakage and provide reliable sealing performance to ensure the normal operation of the hydraulic system.
3. Aerospace industry: In the aerospace field, blind hole round grommets are widely used for sealing and fixing key components such as aircraft engines, hydraulic systems, doors, and hatches. They need to have properties such as high temperature, high pressure, and chemical resistance to adapt to harsh working environments.
4. Pneumatic system: In pneumatic systems, a rubber grommet is used to seal the piston rod of the cylinder and pneumatic valve. They prevent gas leakage and provide reliable sealing performance to ensure the normal operation of pneumatic systems.

Daily maintenance
1. Lubrication: Some rubber grommets may require an appropriate amount of lubricant to reduce friction and wear. Choose a lubricant suitable for the rubber material and follow the manufacturer's recommendations for lubrication. Be careful not to over-lubricate to avoid contamination or other problems.
2. Inspection: Regularly check the appearance and performance of the blind hole round rubber grommet. Watch for cracks, wear, deformation, or other signs of damage. If any problems are found, replace the rubber grommets promptly to avoid further damage or leaks.
3. Avoid excessive stretching or compression: Ensure that the rubber grommets are not excessively stretched or compressed during use to avoid damaging their elasticity and sealing properties. Select the appropriate size and specification of rubber grommets as needed and install and use them correctly.
4. Prevent exposure to extreme temperatures: Avoid prolonged exposure of blind hole round rubber grommets to extremely high or low temperatures, as this may cause the rubber material to age, harden, or become brittle. Where possible, provide appropriate protection or choose high/low temperature-resistant rubber materials.
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