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Krefine

View Data Table for Krefine
MECHANICAL Units ASTM Test Method Krefine EKH-SS07 Krefine EKH-SS09 Krefine EKH-SS11    
Strength to Weight Ratio ksi - - - -    
Specific Gravity @73 F - D792 1.33 1.31 1.31    
Tensile Strength @73 F, (ult)/(yld) MPa D638 140 135 110    
Tensile Modulus of Elasticity @ 73 F MPa D638 - - -    
Tensile Elongation at Break @ 73 F % D638 2.5 3.0 3.5    
Flexural Strength @ 73 F Mpa D790 200 190 170    
Flexural Modulus of Elasticity @ 73 F Mpa D790 10000 8000 6000    
Shear Strength @ 73 F psi D732 - - -    
Compressive Strength, (% Deformation) @73 F Mpa D695 180 172 155    
Compressive Modulus of Elasticity @73 F psi D695 9000 7500 5820    
Hardness, Rockwell, Scale as noted @73 F - D785 (M scale) 125 125 125    
Hardness, Durometer, Shore D @73 F - D2240 - - -    
Izod Impact, (Notched) @73 F J/m of notch D256 30 30 30    
Coefficient of Friction, (Dry vs. Steel) Dynamic - - - - -    
Limiting PV, (with 4 to 1 factor of safety applied) psi-ft/min - - - -    
THERMAL
Coefficient of Linear Thermal Expansion @ 30 C - 140 C x10 E -5 / DEG C D696 1.5 1.5 1.5    
Heat Deflection Temperature @ 1.82Mpa C D648 305 305 280    
Tg-Glass transition temperature, (Amorphous) C D3418 143 143 143    
Melting Point, (VS=Vicat Softening Temp.) C D3418 - - -    
Continuous Service Temperature in Air, (Max.) C KCI METHOD 260 260 260    
Thermal Conductivity BTU-in/hr-ft2-F -
ELECTRICAL
Dielectric Strength, Short Term kV/mm ESD11.11 - 2 5    
Surface Resistivity ohm D257 10 E6-7 10 E7-9 10 E9-11    
Dielectric Constant @ 10E6 Hz - D150
7.9
6.6
5.3
    
Dissipation Factor @ 10E6 Hz - D150 0.22 0.21 1.16    
Flammability - UL94 V-0 V-0 V-0    
H2O
Water Absorbtion, Immersion, 24 Hrs % by wt. D570 0.4 0.4 0.4    
Water Absorbtion, Saturation % by wt. D570 0.6 0.6 0.6    

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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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