PTFE Solid Backup Ring for Shaft Sealing - 300 MPa Pressure Rating, -200°C to 350°C Temperature Range

Name: PTFE Solid Backup Ring for Shaft Sealing - 300 MPa Pressure Rating, -200°C to 350°C Temperature Range
Brand: Jiangsu Kunyuan Rubber & Plastic Technology Co.,Ltd

High-performance PTFE backup ring with low friction coefficient and 300 MPa pressure rating. Features exceptional temperature resistance from -200°C to 350°C, chemical inertness, and non-sticking properties. Ideal for automotive, electrical, and industrial sealing applications requiring reliable performance in extreme conditions.

product name Backup Ring

Place of Origin Shanghai, China

Packaging Details PE inside, Carton Outside

Material PTFE

Model Number Factory

Scope of application Automotive, electrical appliances

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Product Description

PTFE Solid Backup Ring for Shaft Sealing Systems

High-performance PTFE backup ring engineered for low friction applications requiring reliable shaft sealing performance across demanding industrial environments.

Key Technical Specifications

Parameter	Specification
Material	PTFE (Polytetrafluoroethylene)
Color	White
Temperature Range	-200°C to 350°C
Service Pressure	300 MPa
Primary Function	Shaft Seals

Performance Advantages

• High Lubrication: Solid material with extremely low coefficient of friction

• Non-Sticking Properties: Minimal surface tension prevents adhesion

• Chemical Resistance: Inert to most solvents, acids, alkalis, and organic compounds

• Temperature Stability: Maintains 5% elongation even at -196°C

• Weather Resistance: Exceptional aging life among plastic materials

• Physiological Inertness: Suitable for medical applications including implants

Application Scenarios

Ideal for use with O-rings in high-pressure systems, low-hardness O-ring materials, radial sealing gap compensation, and both internal/external sealing applications. Supports reciprocating and rotating movements while accommodating significant temperature fluctuations in static and dynamic environments.

Industry Applications

Automotive systems, electrical equipment, industrial machinery, and specialized sealing applications requiring reliable performance under extreme conditions.