| Compound |
Composition |
Properties |
Operating Range |
Applications |
| Kefloy 11 |
Virgin PTFE |
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¡ÆC Temperatures: dynamic -40 to +225¡ÆC |
Light duty Chemical industry Food and drug (FDA) |
| ¡¡ |
Very low friction |
BakRings |
| Colour: White |
Limited wear resistance Good dielectric properties |
¡¡ |
| Kefloy 13 |
Modified PTFE Bronze |
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¡ÆC |
Heavy duty. Standard compound for hydraulic |
| ¡¡ |
Very good extrusion resistance |
Temperatures: dynamic -40 to +225¡ÆC |
systems. |
| Colour: |
Good compressive strength |
¡¡ |
Not for direct contact with food and drug |
| Light green |
¡¡ |
¡¡ |
SlipRings |
| Kefloy 18 |
Modified PTFE Bronze |
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¡ÆC |
Very heavy duty Hydraulic systems Not for direct contact with food and drug |
| ¡¡ |
High compressive strength |
Temperatures: dynamic -40 to +225¡ÆC |
SlipRings |
| Colour: |
Medium coefficient of friction |
¡¡ |
¡¡ |
| Light green |
¡¡ |
¡¡ |
¡¡ |
| Kefloy 22 |
Modified PTFE |
Good chemical resistance |
Velocities up to 15 m/sec. Pressures: static up to 50 MPa Pressures: dynamic up to 40 MPa Temperatures: static -100 to +250¡ÆC |
Heavy duty Unlubricated systems Water hydraulic Pneumatic systems SlipRings |
| Carbon |
Good dry run properties |
Temperatures: dynamic -40 to +225¡ÆC |
WypeRings GuideStrips |
| Graphite |
¡¡ |
¡¡ |
¡¡ |
| ¡¡ |
Runs well against mild surfaces |
¡¡ |
¡¡ |
| Colour: Black |
¡¡ |
¡¡ |
¡¡ |
| Kefloy 25 |
Modified PTFE Carbon |
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¡ÆC |
Medium duty Unlubricated systems Water hydraulic Pneumatic systems O-Caps |
| ¡¡ |
Good dry run properties |
Temperatures: dynamic -40 to +225¡ÆC |
| Colour: Black |
Runs well against mild surfaces |
¡¡ |
| ¡¡ |
Softer and more flexible than Kefloy 22 |
¡¡ |
| Kefloy 28 |
Modified PTFE Carbon fibre Graphite |
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¡ÆC Temperatures: dynamic -40 to +225¡ÆC |
Very heavy duty oil and water hydraulic systems |
| ¡¡ |
Very good extrusion resistance |
Not for direct contact with food and drug |
| Colour: Dark Grey |
Medium coefficient of friction |
SlipRings |
| ¡¡ |
¡¡ |
TurnRings |
| ¡¡ |
¡¡ |
GuideStrips |
| Kefloy 32 |
Modified PTFE |
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¡ÆC |
Medium duty |
| |
Very low friction |
Temperatures: dynamic -40 to +225¡ÆC |
Hydraulic systems |
| Colour: Turquoise |
No stick-slip |
¡¡ |
SlipRings |
| ¡¡ |
¡¡ |
¡¡ |
O-Caps |
| ¡¡ |
¡¡ |
¡¡ |
WypeRings |
| Kefloy 40 |
Modified PTFE Ekonol |
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¡ÆC |
Heavy duty oil and water hydraulic |
| ¡¡ |
Very good extrusion resistance |
Temperatures: dynamic -40 to +225¡ÆC |
SlipRings |
| Colour: Beige |
Very low coefficient of friction |
¡¡ |
Sharp Seals |
| ¡¡ |
Very gentle to mating surface |
¡¡ |
O-Caps |
| ¡¡ |
¡¡ |
¡¡ |
WypeRings |
| ¡¡ |
¡¡ |
¡¡ |
GuideStrips |
| Kefloy 60 |
Modified PTFE Glass fibre |
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¡ÆC |
Heavy duty BakRings |
| ¡¡ |
High compressive strength |
Temperatures: dynamic -40 to +225¡ÆC |
| Colour: Light blue |
¡¡ |
¡¡ |
| Kefloy 66 |
Modified PTFE |
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¡ÆC Temperatures: dynamic -40 to +225¡ÆC |
Medium duty |
| Glass fibre MoS2 |
Good wear resistance |
Hydraulic systems |
| ¡¡ |
¡¡ |
Pneumatic systems |
| Colour: Grey |
¡¡ |
SlipRings |
| ¡¡ |
¡¡ |
WypeRings |
| ¡¡ |
¡¡ |
GuideStrips |
| Ultralen 90 |
Ultra high molecular weight polyethylene |
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¡ÆC Temperatures: dynamic -150 to +80¡ÆC |
Heavy duty |
| ¡¡ |
Good chemical resistance |
Dry pneumatic systems |
| Colour: White |
Very good properties at low temperatures |
Lubricated pneumatic systems |
| ¡¡ |
Sensitive to higher temperatures |
Water hydraulic |
| ¡¡ |
¡¡ |
Chemical industries |
| ¡¡ |
¡¡ |
Food and drug (FDA) |