Polyurethane Back-up Ring
Polyurethane back-up ring that prevents O-ring extrusion into the gap at high pressure.
PTFE Back-up Ring
Low-friction, chemically resistant PTFE back-up ring.
Polyurethane Back-up Ring, PTFE Back-up Ring: 2 products in the O-Ring Back-up Rings group. Request a quote for sizes, quantities and pricing.