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Ensinger PEI

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Lehmann & Voss LUVOCOM® 1850-7783 VP PBT with glass fiber, PTFE, lubricant modified
Categories: Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET)

Material Notes: Properties/attributes include: Improved friction and wear behavior. Emergency (dry) running property. High dimensionally stable precision parts, even at elevated temperatures and narrow tolerance range. Parts for electric and electronic industry.

Automotive industry, textile- and office machinery, apparatus- and precision engineering. Typical uses include: Coil formers, duty parts in plugs and switches, even combined with metal inserts.

Processing: During processing the moisture level should not exceed 0.02%, otherwise molecular degradation and surface defects (e.g. smearing) may occur. As the material absorbs water very quickly, the predried material should be fed to the processing immediately. 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 1.70 g/ccISO 1183
Moisture Absorption <= 0.100 %
@Temperature 23.0 °C,
Time 86400 sec
Linear Mold Shrinkage 0.0020 - 0.0050 cm/cmDIN 16901
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 140 MPaISO 527-2
Elongation at Break 1.8 %ISO 527-2
Modulus of Elasticity 13.0 GPaISO 527-2
Flexural Strength 200 MPaISO 178
Flexural Modulus 11.0 GPaISO 178
Flexural Strain at Break 2.4 %Flexural Elongation @ Fmax; ISO 178
Charpy Impact Unnotched 45.0 kJ/m²
@Temperature 23.0 °C
ISO 179 1eU
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity >= 1.00e+12 ohm-cmIEC 60167
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 130 °CContinuous; UL 746B
 180 °CShort Term
Vicat Softening Point 215 °CVST A; DIN ISO 306
 
Processing PropertiesOriginal ValueComments
Nozzle Temperature 250 - 265 °C
Zone 1 240 - 260 °C
Zone 2 260 - 280 °C
Zone 3 250 - 270 °C
Melt Temperature 250 °C
Mold Temperature 60.0 - 120 °C
Drying Temperature 80.0 °C
@Time 21600 - 28800 sec
Vacuum Dryer
 120 °C
@Time 14400 - 21600 sec
Dehumidifying dryer
Moisture Content <= 0.020 %
 
Descriptive Properties
Colorblack

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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