All the latest modifications ZX-324 have a much more improved wear resistance and have a sufficiently large pv-rate in comparison with the standard one. Thus, the polymers ZX-324V11T and ZX-324V2T have 5 times bigger pv-value than PEEK. Such modifications are applied for improvement of the tensile strength. These models are among the best in the family and have a number of quite good characteristics of various types which are specified in the table below.
The basic parameters of the practical application of dominant ZX-324 modifications
|Advantages:||PEEK polymer-fortified. High elastic recovery, high elasticity. The temperature of application over 140°C – harder and tougher than PEEK.||PEEK-, PTFE-modified. Low friction. Acceptable elasticity. High PV-value, high wear resistance.||PEEK polymer-fortified. Despite high stiffness still high elongation. High PV-value with a relatively slow sliding speed.||PEEK fibre-reinforced, with PTFE. Very good wear resistance and stiffness.|
|Temperature (T)||-100°C to +250°C (+260°C)||-50°C to +250°C (+260°C)||-200°C to +250°C (+260°C)||-50°C to +250°C (+260°C)|
|Surface pressure (p), max.||41 (120) MPa||40 (85) MPa||50 (110) MPa||57 (150) MPa|
|Sliding speed (v), max||100 m/min||200 m/min||100 m/min||100 m/min|
|Fatigue (S), max||70 MPa||56 MPa||65 MPa||105 MPa|
* Values in the brackets, are valid for shot-term service
Detailed comparison charts of the properties of ZEDEX polymers you can find in catalog «Materials».
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