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Chemically Resistant adhesives

Parker Chomerics PREMIER™ A220-FR EMI Shielding Plastic
Categories: Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Carbon Fiber Filled; Polycarbonate (PC)

Material Notes: PREMIER™ is a versatile conductive thermoplastic for real world EMI shielding solutions. It is a blend of PC/ABS thermoplastic polymer alloys and conductive fillers engineered for stable electrical, mechanical, and physical performance. The conductive filler technology utilizes nickel plated carbon (Ni-C) fibers as the base filler. In the case of higher shielding versions, Nickel-Graphite (Ni-C) powder is blended with the fiber base to deliver enhanced performance. Combined with standard injection molding processes, PREMIER technology delivers evenly dispersed filler throughout a part’s geometry. PREMIER parts have no resin rich areas prone to EMI leaks, and no brittle, resin poor areas that can break under mechanical stress. PREMIER provides world class shielding effectiveness, requires no machining, plating, painting, vacuum coating, or other added processing steps. The elimination of secondary operations can reduce costs by up to 50% compared to die castings, bent formed metal, machined extrusions and plated.

Information provided by Chomerics

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.20 g/cc1.20 g/ccASTM D3763
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 68.3 MPa9900 psiASTM D638
Elongation at Break 1.0 %1.0 %ASTM D638
Tensile Modulus 7.50 GPa1090 ksiASTM D638
Flexural Strength 109 MPa15800 psiASTM D790
Flexural Modulus 5.20 GPa754 ksiASTM D790
Izod Impact, Notched 0.580 J/cm1.09 ft-lb/inASTM D412
Izod Impact, Unnotched 1.97 J/cm3.69 ft-lb/inASTM D412
 
Electrical PropertiesMetricEnglishComments
Surface Resistance 0.80 ohm0.80 ohm
Surface Resistivity per Square 4.5 ohm4.5 ohm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 50.0 µm/m-°C27.8 µin/in-°FASTM D696
Thermal Conductivity 0.560 W/m-K3.89 BTU-in/hr-ft²-°FASTM D5470
Deflection Temperature at 1.8 MPa (264 psi) 100 °C212 °FASTM D648
UL RTI, Mechanical without Impact 70.0 °C158 °FUl746B
Flammability, UL94 V-0V-0
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 250 - 265 °C482 - 509 °F
Middle Barrel Temperature 250 - 265 °C482 - 509 °F
Front Barrel Temperature 250 - 265 °C482 - 509 °F
Nozzle Temperature 250 - 265 °C482 - 509 °F
Melt Temperature 250 - 265 °C482 - 509 °F
Mold Temperature 41.0 - 49.0 °C106 - 120 °F
Dry Time  4 - 5 hour
@Temperature 65.0 - 70.0 °C
4 - 5 hour
@Temperature 149 - 158 °F
Typical
 8 hour
@Temperature 65.0 - 70.0 °C
8 hour
@Temperature 149 - 158 °F
Maximum
Moisture Content 0.040 %0.040 %Suggested Maximum
Back Pressure >= 2.07 MPa>= 300 psi
Clamp Pressure 40.0 - 70.0 MPa5800 - 10200 psi[MPa/cm2]
Screw Speed 95 - 130 rpm
@Diameter 25.0 mm
95 - 130 rpm
@Diameter 0.984 in
760 - 1000 cm/min

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PCHOME328 / 131038

Chemically Resistant adhesives

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