
OL Seal Materials Guide | Installation Guide |
Materials, properties and uses
Compound |
Composition |
Properties |
Operating Range |
Applications |
|---|---|---|---|---|
Kefloy 11 |
Virgin PTFE Colour: White |
Very good chemical resistance |
Velocities up to 5 m/sec. Pressures: static up to 30 MPa Pressures: dynamic up to 20 MPa Temperatures: static -100 to +250°C Temperatures: dynamic -40 to +225°C |
Light duty Chemical industry Food and drug (FDA) |
Kefloy 13 |
Modified PTFE Bronze Colour: |
Very good wear resistance |
Velocities up to 15 m/sec. Pressures: static up to 80 MPa Pressures: dynamic up to 60 MPa Temperatures: static -100 to +250°C |
Heavy duty. Standard
compound for hydraulic |
Kefloy 18 |
Modified PTFE Bronze Colour: |
Very good wear resistance |
Velocities up to 15 m/sec. Pressures: static up to 90 MPa Pressures: dynamic up to 70 MPa Temperatures: static -100 to +250°C |
Very heavy duty Hydraulic systems Not for direct contact with food and drug |
Kefloy 22 |
Modified PTFE Colour: Black |
Good chemical resistance Runs well against mild surfaces |
Velocities up to 15 m/sec. Pressures: static up to 50 MPa Pressures: dynamic up to 40 MPa Temperatures: static -100 to +250°C |
Heavy duty Unlubricated systems Water hydraulic Pneumatic systems SlipRings |
Kefloy 25 |
Modified PTFE Carbon Colour: Black |
Good chemical resistance |
Velocities up to 15 m/sec. Pressures: static up to 30 MPa Pressures: dynamic up to 20 MPa Temperatures: static -100 to +250°C |
Medium duty Unlubricated systems Water hydraulic Pneumatic systems O-Caps |
Kefloy 28 |
Modified PTFE Carbon fibre Graphite Colour: Dark Grey |
Very good wear resistance |
Velocities up to 15 m/sec. Pressures: static up to 90 MPa Pressures: dynamic up to 70 MPa Temperatures: static -100 to +250°C Temperatures: dynamic -40 to +225°C |
Very heavy duty oil and
water hydraulic systems |
Kefloy 32 |
Modified PTFE Colour: Turquoise |
Very good chemical resistance |
Velocities up to 15 m/sec. Pressures: static up to 30 MPa Pressures: dynamic up to 20 MPa Temperatures: static -100 to +250°C |
Medium duty |
Kefloy 40 |
Modified PTFE Ekonol Colour: Beige |
Very good wear resistance |
Velocities up to 15 m/sec. Pressures: static up to 40 MPa Pressures: dynamic up to 30 MPa Temperatures: static -100 to +250°C |
Heavy duty oil and water
hydraulic GuideStrips |
Kefloy 60 |
Modified PTFE Glass fibre Colour: Light blue |
Very good extrusion resistance |
Velocities up to 15 m/sec. Pressures: static up to 60 MPa Pressures: dynamic up to 50 MPa Temperatures: static -100 to +250°C |
Heavy duty BakRings |
Kefloy 66 |
Modified PTFE Colour: Grey |
Good chemical resistance |
Velocities up to 15 m/sec. Pressures: static up to 40 MPa Pressures: dynamic up to 30 MPa Temperatures: static -100 to +250°C Temperatures: dynamic -40 to +225°C |
Medium duty |
Ultralen 90 |
Ultra high molecular weight polyethylene Colour: White |
Very good abrasion resistance |
Velocities up to 5 m/sec. Pressures: static up to 60 MPa Pressures: dynamic up to 50 MPa Temperatures: static -150 to +90°C Temperatures: dynamic -150 to +80°C |
Heavy duty |
