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Polycarbonate and Glass-filled Polycarbonate

View Data Table for Polycarbonate
MECHANICAL Units ASTM Test Method Hyzod M Extruded Polycarbonate Extruded 20% Glass-Filled Polycarbonate
Strength to Weight Ratio ksi - - -
Specific Gravity @73 F - D792 1.20 1.35
Tensile Strength @73 F, (ult)/(yld) psi D638 10500 (ult) 16000 (yld)
Tensile Modulus of Elasticity @ 73 F psi D638 320000 860000
Tensile Elongation at Break @ 73 F % D638 100 6
Flexural Strength @ 73 F psi D790 13000 19000
Flexural Modulus of Elasticity @ 73 F psi D790 350000 800000
Shear Strength @ 73 F psi D732 9200 0
Compressive Strength, (% Deformation) @73 F psi D695 11500 (10) 16000 (10)
Compressive Modulus of Elasticity @73 F psi D695 300000 -
Hardness, Rockwell, Scale as noted @73 F - D785 M75 (R126) M91 (R122)
Hardness, Durometer, Shore D @73 F - D2240 D80 -
Izod Impact, (Notched) @73 F ft-lb/in of notch D256 TypeA 1.5 2.0
Coefficient of Friction, (Dry vs. Steel) Dynamic - - - 0.22
Limiting PV, (with 4 to 1 factor of safety applied) psi-ft/min - - -
THERMAL
Coefficient of Linear Thermal Expansion @73 F in/in/F E-831 (TMA) 3.9E-05 1.5E-05
Heat Deflection Temperature @ 264 psi F D648 290 295
Tg-Glass transition temperature, (Amorphous) F D3418 293 -
Melting Point, (VS=Vicat Softening Temp.) F D3418 N/A 330
Continuous Service Temperature in Air, (Max.) F - 250 266
Thermal Conductivity BTU-in/hr-ft2-F - 1.30 1.47
ELECTRICAL
Dielectric Strength, Short Term Volts/mil D149 400 490
Volume Resistivity ohm-cm D257 2.0E+16 1.0E+17
Dielectric Constant @ 10E6 Hz - D150
3.2
3.13
Dissipation Factor @ 10E6 Hz - D150 0.001 0.0009 (60Hz)
Flammability @ 3.1 mm unless noted - UL94 V-2 V-0
H2O
Water Absorbtion, Immersion, 24 Hrs % by wt. D570(7) 0.20 0.16
Water Absorbtion, Saturation % by wt. D570(7) 0.40 0.29

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.

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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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