Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of disc brake caliper piston o-ring in China, also supports customized service. Please feel free to buy high quality disc brake caliper piston o-ring for sale here from our factory.
Product Description
Introduce
In automotive disc brake systems, an o-ring is utilized to seal the brake caliper piston to the piston barrel. It consists of soft, elastic rubber that is resistant to chemicals. This O-ring's job is to seal the braking system and prevent brake fluid leakage and external impurities from entering the brake system, ensuring that the brake system functions normally. It is an essential component of the disc brake system and must be resistant to high temperatures, chemical corrosion, and wear in order to adapt to the braking system's operating conditions.


Certification standard
ISO 9001 is a global quality management system certification standard that assures manufacturers follow specified concepts and regulations for product design, development, manufacturing, and service delivery. ISO/TS 16949 is an automobile industry-specific certification standard for auto parts manufacturers based on ISO 9001. SAE J1603 specifies the criteria and test procedures for disc brake caliper piston O-rings. ASTM D2000 is a rubber product categorization and specification standard that specifies performance standards, test methods, and specifications. ECE R90 is a brake component certification standard for the European market that establishes performance and safety standards for discs, pads, and other brake system components.
Technical Data
|
Material |
Silicone |
|
Density |
1.1–1.3 g/cm³ |
|
Hardness (Shore A) |
20–80 |
|
Tensile strength |
6–15 MPa |
|
Elongation |
200 - 800% |

advantage and Function
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Sealing performance: To guarantee the seal between the brake caliper piston and piston barrel and stop brake fluid leakage, the disc brake caliper piston o-ring may offer dependable sealing performance. This guarantees correct braking force transfer and aids in maintaining the brake system's optimal performance.
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Chemical resistance: The rubber substance used to make this O-ring offers exceptional chemical resistance. It is resistant to the chemicals found in braking fluid, preventing corrosion and O-ring damage.
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High temperature resistance: The braking mechanism will produce high temperatures when applying pressure. The o-ring of the disc brake caliper piston o-ring is resistant to high temperatures and can tolerate pressure and temperature fluctuations in hot conditions. It also retains its elasticity and sealing ability and is not susceptible to deformation or failure from high temperatures.
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Wear resistance: When braking, there is a lot of pressure in the braking system and the brake caliper piston moves often. The o-ring of the disc brake caliper piston o-ring is resistant to wear and can endure prolonged usage and friction, therefore prolonging its service life.
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High stability and dependability: Strict quality standards and requirements were followed during the design and manufacturing of this product, guaranteeing its high stability and dependability. It can guarantee the brake system's dependability and safety while maintaining steady performance in a variety of operating environments.
How does the braking system's performance get impacted by the Disc Brake Caliper Piston O-Ring's sealing ability?
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Transmission of braking force: A disc brake system generates braking force by applying pressure through the brake caliper piston, which causes the brake pads to make contact with the brake disc and produce friction. The brake system's performance and braking effect may be impacted if the disc brake caliper piston o-ring is unable to offer enough sealing performance. This might lead to brake fluid leakage, which would impair the efficient transmission of braking power.
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braking squeal and vibration: Brake fluid can seep into other parts of the braking system, including the space between the brake pads and rotor, when the brake system loses its seal. This might impair driving comfort, lessen the efficiency of the brakes, and produce strange noises and vibrations when braking.
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Braking system dependability: The product's sealing capability is closely linked to the braking system's dependability. The braking system may fail if the O-ring leaks or is destroyed, resulting in the loss of brake fluid. This will raise the possibility of accidents and have a significant impact on safety.
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Durability and maintenance expenses: Brake system maintenance expenses can be decreased by effective sealing performance. When an O-ring is properly sealed, there is little chance of brake fluid leaking and no need to replace or add brake fluid, which lowers the frequency and expense of repairs and maintenance.
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