BASE TYPE
ZX-550
Replace ceramic and PTFE sliding units
ZX-550 (PTFE) - is a thermoplastic synthetic composite material.
FEATURES
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Low stick-slip tendancy (the effect of discontinuous glide)
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Hydrolysis resistance
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Weathering resistant
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No water absorption
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Good machinability
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Bondable
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Chemical resistance to organic solvents and chemicals, petroleum products
CHARACTERISTICS
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Working temperature: -250°C to +240°C (+260°C)
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Surface pressure (p): max. 8 (12) MPa
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Sliding speed (v): max. 250 m/min
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Fatigue (S): tensile fatigue strength at 20 °C and 1E06 stress cycles, 1 Hz = 7 MPa
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UV-radiation: resistant (1000 hours Xenon DIN 53597). Gamma-radiation: Limit absorbed dose 50 kGy
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Water: max. water absorption: 0 %, up to +250°C resistant
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Fire behavior: Oxygen index (LOI): 90 %, classification: V-0 (UL94)
ADVANTAGES
The advantages of ZX-550 over PTFE (polytetrafluoroethylene, teflon, ftoroplast-4):
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1000% higher wear resistance
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Higher stiffness and hardness
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The modulus of elasticity in flexture is 30% higher.
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Lower expansion and wear coefficient
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Improved pv-value
SUPPLY
