Premix Thermoplastics PRESEAL® TPE 6070

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Premix Thermoplastics PRESEAL® TPE 6070
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	PRESEAL TPE 6070 is a thermoplastic elastomer based highly conductive compound intended primarily for EMI gasketing and grounding applications. Conductivity is achieved with a silver coated glass sphere and fiber combination. PRESEAL TPE 6070 can be injection molded like an ordinary thermoplastic elastomer thus giving great new possibilities in gasket design and mass production. It has adhesion to selected thermoplastics and insert molding to metal is also possible. It can also be used in co-injection molding e.g. molding the gasket directly in the phone casing. Recyclability is an added value. The material is silicone free. Typical applications include soft EMI gaskets in mobile phones, mobile phone base stations and other wireless communication environment as well as military applications. * Tension test bar according to ISO 527 Information provided by Premix Thermoplastics Inc.
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Physical Properties	Original Value	Comments

Density	1.85 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	55	ISO 7619
Tensile Strength, Ultimate	0.300 MPa	ISO 37*
Tensile Strength, Yield	0.400 MPa	ISO 37*
Elongation at Break	120 %	ISO 37*
Elongation at Yield	13 %	ISO 37*
Modulus of Elasticity	0.00250 GPa	ISO 178
Compressive Modulus	0.0340 GPa	At 15% Compression; ISO 7743
	0.0340 GPa	At 10% Compression; ISO 7743
	0.0390 GPa	At 18% Compression; ISO 7743
Tear Strength	3.30 kN/m	ISO 34-C
Compression Set	40 % @Temperature 85.0 °C, Time 86400 sec	ISO 815:1991

Electrical Properties	Original Value	Comments
Volume Resistivity	<= 0.0030 ohm-cm	ISO Mil-G-835388
Shielding Effectiveness	100 dB	ISO ARP1705, 20-700 MHz

Processing Properties	Original Value	Comments
Middle Barrel Temperature	200 °C	Zones 1-5
Nozzle Temperature	200 °C
Injection Velocity	25.0 mm/sec
Drying Temperature	60.0 °C @Time 10800 sec	Pre-drying; If stored for longer than 1 year
Moisture Content	<= 0.040 %	When Produced
Hold Pressure	0.000 psi
Back Pressure	43.5 psi
Shelf Life	12.0 Month	Normal Storing Conditions

Descriptive Properties
Appearance	Granule
Color	Yellowish
Cooling Time, sec	25
Holding Time, sec	5
Injection Time, sec	0.7
Plasticizing Speed, %	25-80	Max 480 rev/min

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PPREMA071 / 58085

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