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TFE flurocarbon resin performs well in many applications without fillers. In fact, fillers can lessen its outstanding electrical and chemical properties. In mechanical applications, however, compounds of Teflon and inorganic fillers offer improved wear resistance, reduce creep and initial deformation, and increase stiffness and conductivity. Hardness is increased, and the coefficient of thermal expansion is decreased. Compounds can therefore make it possible to gain the advantages of Teflon in applications where the unfilled resin cannot be used.
|Properties||ASTM Test Method||Units||TFE Granular Resin||25% Glass Fiber||15% Graphite||60% Bronze|
|Tensile Strength, 73°F||D638-61T||psi||1,000 – 4,000||2,800 – 3,600||1,300 – 2,700||1,800 – 2,000|
|Elongation, 73°F||D638-61T||%||100 – 200||325||185||85|
|Hardness Durometer||D1706-59T||—-||D50 – 65||54||55||65|
|Compressive Strength 73°F
|Coefficient of Linear Thermal Expansion per °F, 73°F – 140°F||D696-44||—-||5.5 X 10-5||3-8 X 10-5||4-7 X 10-5||4-5 X 10-5|
|Thermal Conductivity 0.18 in.||Cenco-Finch||BTU/hr/sq. ft./
|Deformation Under Load||see below|
1000psi 24hr 2000psi 24hr
|Heat Distortion Temp. 66 lb/sq in||D648-56||250||—-||—-||—-||—-|
|Dielectric Strength, short time, 0.080 in||D149-55T||v./mil||600||—-||—-||—-|
|Dielectric Constant, 60 to 2 X 109cps||D150-59T||—-||2.1||2.4 – 2.5||—-||Too conductive to be measured.|
|Dissipation factor 60 to 2 X 109cps||S159-55T||—-||0.0003||0.0753 – 0.000029||—-||Too conductive to be measured.|
|Resistance to Weathering||—-||—-||excellent||—-||—-||—-|
|Static Coefficient of Friction against Polished Steel||—-||—-||0.05 – 0.08||0.10 – 0.13||0.08 – 0.10||0.08 – 0.10|
|Specific Gravity||D792-60T||—-||2.1 – 2.3||2.22||2.19||3.97|
Rods: Diameters : 1/8 inch to 18 inches
Plates: 3/16 inch and up thicknesses, 24 X 24 inches, 48 X 48 inches
Profiles, tubes and special sizes are available on request
This information is only to assist and advise you on current technical knowledge and is given without obligation or liability. All trade and patent rights should be observed. All rights reserved.
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