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Lehmann & Voss LUVOCOM® 70-9046 Polyketone with PTFE
Categories: Polymer; Thermoplastic; Polyketone

Material Notes: Properties/attributes include: Improved friction and wear behavior. Emergency (dry) running property. Sliding-couples with a low friction coefficient. Highly chemically-resistant parts. Superheated-steam sterilizable.

Typical uses include: Bearings, sleeves, control disks, gear wheels, cams.

Processing: During processing the moisture level should not exceed 0.02%, otherwise molecular degradation and surface defects (e.g. smearing) may occur. Processing temperatures above 270°C may very rapidly cause thermal damage and should therefore be avoided. The processing notes provided merely represent a recommendation for general use. Due to the large variety of machines, geometries and volumes of parts, etc., it may be necessary to employ different settings according to the specific application.

Information provided by Lehmann & Voss & Co.KG

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.33 g/ccISO 1183
Moisture Absorption 0.150 %
@Temperature 23.0 °C,
Time 86400 sec
Linear Mold Shrinkage 0.016 - 0.022 cm/cmDIN 16901
Melt Flow 5.0 g/10 min
@Load 5.00 kg,
Temperature 250 °C
(MVR); ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 50.0 MPaISO 527-2
Elongation at Break 40 %ISO 527-2
Modulus of Elasticity 1.40 GPaISO 527-2
Flexural Strength 65.0 MPaISO 178
Flexural Modulus 1.20 GPaISO 178
Charpy Impact Unnotched 72.0 kJ/m²
@Temperature 23.0 °C
ISO 179 1fu
Charpy Impact, Notched 22.0 kJ/m²
@Temperature 23.0 °C
ISO 179 1eA
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity >= 1.00e+11 ohm-cmIEC 60167
Surface Resistance >= 1.00e+11 ohmIEC 60093
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 90.0 °CContinuous; UL 746B
 120 °CShort Term
Deflection Temperature at 1.8 MPa (264 psi) 100 °CISO 75-2/A
Vicat Softening Point 200 °CVST A; DIN ISO 306
 
Processing PropertiesOriginal ValueComments
Nozzle Temperature 250 - 265 °C
Zone 1 230 - 250 °C
Zone 2 230 - 260 °C
Zone 3 240 - 260 °C
Melt Temperature 245 °C
Mold Temperature 60.0 - 100 °C
Drying Temperature 80.0 °C
@Time 7200 - 21600 sec
 120 °C
@Time 3600 - 14400 sec
Dehumidifying dryer
Moisture Content <= 0.020 %
 
Descriptive Properties
Colornatural color (beige)

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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