Syensqo (Solvay Specialty Polymers) Algoflon® 25CAR PTFE; Petroleum Coke and Graphite

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Syensqo (Solvay Specialty Polymers) Algoflon® 25CAR PTFE; Petroleum Coke and Graphite (discontinued **)
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Conductive Carbon Filled
Material Notes:	Data provided by the manufacturer. 25 wt.% Petroleum Coke and Graphite. 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:	Petroleum Coke; Graphite
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Physical Properties	Metric	English	Comments

Density	2.11 g/cc	0.0762 lb/in³	ASTM D792
Apparent Bulk Density	0.430 g/cc	0.0155 lb/in³	ASTM D4894
Linear Mold Shrinkage	0.022 cm/cm	0.022 in/in	Radial shrinkage of 10 cm o.d. sintered rod at 23°C

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	63	63
Tensile Strength, Ultimate	19.0 MPa	2760 psi	ASTM D638
Elongation at Break	80 %	80 %	ASTM D638
Coefficient of Friction, Dynamic	0.060	0.060	ASTM D1894
Coefficient of Friction, Static	0.080	0.080	ASTM D1894

Electrical Properties	Metric	English	Comments
Electrical Resistivity	10000 ohm-cm	10000 ohm-cm	ASTM D257

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	150 µm/m-°C @Temperature 23.0 - 250 °C	83.3 µin/in-°F @Temperature 73.4 - 482 °F	ASTM D696
Thermal Conductivity	0.590 W/m-K	4.09 BTU-in/hr-ft²-°F	ASTM C177
Maximum Service Temperature, Air	260 °C	500 °F	Continuous Service

**
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PTFEAH / 70081

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