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Durometer
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Backup rings are used in sealing and are designed to limit o-ring clearance gaps. They are used in high-pressure sealing situations.
70 Shore D Durometer | Urethane Material | 71 MM Nominal Inner Diameter | 2.4 MM Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$2.14
Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.
PTFE Material | 71 MM Nominal Inner Diameter | 5 MM Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$7.70
Filled PTFE back-up rings primarily used with U-seals.
Bronze Filled PTFE Material | 71 MM Nominal Inner Diameter | 5 MM Cross Section | U-Seal Back-Up Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$21.13
Filled PTFE back-up rings primarily used with U-seals.
Bronze Filled PTFE Material | 71 MM Nominal Inner Diameter | 4.5 MM Cross Section | U-Seal Back-Up Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$30.12