Semi-finished products Plastic granules Special compounds

Low friction ZX-550 familyBasic type ZX-550Characteristics– low Stick-Slip tendacy– strong anti-adhesive– low tendancy to creep– hydrolysis resistance– weathering resistant– no water absorption– resistence to stress cracking– good machinability– bondable with pre-treatment– strong viscoelasticZX-550ChemicalresistancePV-valueCostWearTemperatureStrengthPrecisionmpactresistanceFrictionResistanceUV-radiation(1000 hours Xenon DIN 53597)tensile strength: –1 %elongation at break: no alterationGamma-radiationlimit absorbed dose 50 kGyChemicals, resistantinsoluble in organic solvents andchemicalsChemicals, unstableelemental fluorine, chlorine trifluoride,molten alkali metalsLubricants and fuelsresistantWatermax. water absorption: 0 %up to 250 °C resistantFire behavioroxygen index (LOI): 90 %classification: V-0 (UL94)Operationalparameters*Temperature (T)–250 °C to +240 °C (+260 °C)surface pressure (p)max. 8 (12) MPaSliding speed (v)max. 250 m /minFatique (S)tensile fatigue strength at 20 °Cand 10 6 stress cycle,1 Hz = 7 MPaAvailable as:– sheets– machined parts– plain bearing bushes accordingto DINExamples ofusageDue to the low friction, agood Stick-Slip behaviourand a low tendency to creep,the ZX-550 is used as slidingguide of the patient supportin operating tables.Modified ZX-550ZX-550PVChemicalresistancePV-valueCostTemperatureStrengthmpactresistanceFrictionFriction and wear modifiedreduction of wear from temperaturesof 100 °C. Higher PV-valuefrom 20 m /min. Tougher andsofter.T: –270 °C to +240 °C (+250 °C)p: max. 4 (8) MPav: max. 150 m /minS = 4 MPaWearPrecision*Values in the brackets, are valid for shot-term service16 ZEDEX ® basic types ZEDEX ® families Post heattreatmentMachiningShippingoverviewSterilizationChemicalresistance