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PTFE Materials

View Data Table for PTFE Materials
- - - Virgin Teflon 25% Glass-reinforced Teflon Fluorosint 207 Fluorosint 500 Semitron ESD500
MECHANICAL Units ASTM Test Method Polytetrafluoroethylene 25% GF Polytetrafluoroethylene FDA Synthetic Mica-Filled PTFE Synthetic Mica-Filled PTFE Electrostatic Dissapative PTFE
Strength to Weight Ratio ksi - - - - - -
Specific Gravity @73 F - D792 2.16 2.2 2.30 2.32 2.3
Tensile Strength @73 F, (ult)/(yld) psi D638 4500 (ult) 2800 (ult) 1500 1100 1500
Tensile Modulus of Elasticity @ 73 F psi D638 - - 250000 300000 250000
Tensile Elongation at Break @ 73 F % D638 400 325 50 10 50
Flexural Strength @ 73 F psi D790 - - 2000 2200 2200
Flexural Modulus of Elasticity @ 73 F psi D790 50000-90000 - 350000 500000 350000
Shear Strength @ 73 F psi D732 - - 1700 2100 1700
Compressive Strength, (% Deformation) @73 F psi D695 600 (1) 1000 (1) 3800 (10) 4000(10) 3800 (10)
Compressive Modulus of Elasticity @73 F psi D695 - - 225000 250000 225000
Hardness, Rockwell, Scale as noted @73 F - D785 - - (R50) (R55) (R50)
Hardness, Durometer, Shore D @73 F - D2240 D55 D54 D65 D70 D65
Izod Impact, (Notched) @73 F ft-lb/in of notch D256 TypeA 3.0 - 1.0 0.9 1.0
Coefficient of Friction, (Dry vs. Steel) Dynamic - - 0.05-0.08 0.10-0.13 0.17 0.18 0.17
Limiting PV, (with 4 to 1 factor of safety applied) psi-ft/min - - - 8000 8000 8000
THERMAL
Coefficient of Linear Thermal Expansion @73 F in/in/F E-831 (TMA) 7.0E-05 3-8E-05 5.7E-05 2.4E-05 5.7E-05
Heat Deflection Temperature @ 264 psi F D648 115 - 210 270 210
Tg-Glass transition temperature, (Amorphous) F D3418 - - - - -
Melting Point, (VS=Vicat Softening Temp.) F D3418 621 621 621 621 621
Continuous Service Temperature in Air, (Max.) F - 500 500 500 500 500
Thermal Conductivity BTU-in/hr-ft2-F - 1.70 2.60 - 5.30 -
ELECTRICAL
Dielectric Strength, Short Term Volts/mil D149 600 - 200 275 -
Volume Resistivity ohm-cm D257 >10E+18- - >1E13 >1E14 1E11-1E13
Dielectric Constant @ 10E6 Hz - D150
-
 - 2.7 2.9 -
Dissipation Factor @ 10E6 Hz - D150 - - 0.008 0.008 -
Flammability @ 3.1 mm unless noted - UL94 V-0 - V-0 V-0 V-0
H2O
Water Absorbtion, Immersion, 24 Hrs % by wt. D570(7) 0.00 - 0.03 0.10 0.03
Water Absorbtion, Saturation % by wt. D570(7) - - 2.00 3.00 2.00

CCT utilizes many different types of CNC equipment to produce parts for our customers. We have four CNC-controlled multi-spindled routers, five CNC controlled vertical machining centers, and one large format router. Our goal is to keep our personnel supplied with the equipment they need to produce parts to the most exacting tolerances.

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CNC Plastic Machining

We are Custom Cutting Technologies, Inc. Founded in 1999, we are a machine shop specializing in plastic materials. We operate several different types of CNC controlled equipment to maximize the services we can offer.

Our multi-head CNC routers are capable of efficiently and accurately machining parts from sheet stock. By running multiple parts under multiple heads, we can achieve part costs that you would expect from die cutting with quality that you would expect from machining or water jet cutting.

ISO 9001:2008 certified.

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CCT Plastics is experienced with a wide range of materials that other shops won’t let in the door. Not only can we manufacture your part, but we’ll perform the work at a tolerance that would make our competitors shake their head in disbelief.

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CCT utilizes a wide range of flat plastic or non-metal materials and a wide range of tolerances. CCT can meet the most stringent military specification or match the most intricate print for a decorative consumer product.

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