Jiangsu Kunyuan Rubber & Plastic Technology Co.,Ltd
                                                                                                           
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Weatherproof Black PTFE Backup Rings 70-90 Shore A Hardness for Extreme Pressure Up To 5000 PSI in Hydraulic Systems

Price Negotiable
Price: Negotiable
MOQ: 1000
Delivery Time: 5-8 work days
Brand: FOLON.A
Product Description
Product Overview

FOLON.A Weatherproof Black Backup Rings provide exceptional protection for O-rings in demanding hydraulic and pneumatic systems. Engineered with high-performance materials, these backup rings prevent extrusion damage and ensure reliable sealing under extreme conditions.

FOLON.A Black Backup Ring for hydraulic and pneumatic systems
Key Specifications
Parameter Value
Hardness 70-90 Shore A
Temperature Range -40°C to 120°C (Extended: -200°C to 350°C)
Pressure Range Up to 5000 PSI (300 MPa)
Tolerance ±0.05mm
Material PTFE (Polytetrafluoroethylene)
Color Black
Core Features
  • Extreme pressure resistance up to 5000 PSI prevents O-ring extrusion
  • Wide temperature tolerance from -40°C to 120°C
  • Weatherproof construction withstands UV exposure and environmental factors
  • Easy installation with precise fit for piston and cylinder grooves
  • Available in multiple standard sizes for various applications
  • Dust prevention sealing function protects system integrity
Certifications & Standards
TS16949 IATF NSF ISO9001 PPAP ROHS FDA LFGB

Compliant with international standards: AS568, BS1516, JISB2401, ISO3601, DIN3771, DIN3869

Applications

Ideal for hydraulic systems, pneumatic equipment, automotive components, aerospace applications, and industrial machinery where reliable sealing under extreme conditions is critical.

Ordering Information
  • Minimum Order Quantity: 1000 units
  • Delivery Time: 5-8 working days
  • Packaging: PE inner lining with protective carton exterior
  • Supply: On-demand production with flexible capacity

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Jiangsu Kunyuan Rubber & Plastic Technology Co.,Ltd
Location Room 2303, Building 1, No. 218, Tianmu West Road (Kerry Night Inn), Jing'an District, Shanghai
Contact Person Lucy

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