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Ensinger PEI

Syensqo (Solvay Specialty Polymers) Algoflon® 25CAR+5CER PTFE; Petroleum Coke and Ceramic Filled  (discontinued **)
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Conductive Carbon Filled

Material Notes: Data provided by the manufacturer.

25 wt.% Petroleum Coke + 5 wt.% Ceramic. Suspension polymer powder grade recommended for compression molding. Pure PTFE possesses high inertness, excellent dielectric properties, almost no moisture absorption, low friction coefficient, and is nonflammable.

Key Words: Polytetrafluoroethylene; Carbon
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Physical PropertiesMetricEnglishComments
Density 2.08 g/cc0.0751 lb/in³ASTM D792
Apparent Bulk Density 0.430 g/cc0.0155 lb/in³ASTM D4894
Linear Mold Shrinkage 0.024 cm/cm0.024 in/inRadial shrinkage of 10 cm o.d. sintered rod at 23°C
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 6363
Tensile Strength, Ultimate 17.0 MPa2470 psiASTM D638
Elongation at Break 45 %45 %ASTM D638
Coefficient of Friction, Dynamic 0.0600.060ASTM D1894
Coefficient of Friction, Static 0.0800.080ASTM D1894
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 10000 ohm-cm10000 ohm-cmASTM D257
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 99.0 µm/m-°C
@Temperature 23.0 - 250 °C
55.0 µin/in-°F
@Temperature 73.4 - 482 °F
ASTM D696
Maximum Service Temperature, Air 260 °C500 °FContinuous Service

**
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PTFEAR / 70091

Proto3000 – 3D Engineering Solutions

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