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Premix Thermoplastics PRETHERM TPE 1075 Thermoplastic Elastomer, Boron Nitride / SEBS compound

Category Polymer , Thermoplastic , Elastomer, TPE
Manufacturer Premix Thermoplastics Inc.
Trade Name PRETHERM
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Premix Thermoplastics PRETHERM TPE 1075 Thermoplastic Elastomer, Boron Nitride / SEBS compound.pdf
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Material Notes:
PRETHERM TPE 1075 is a thermoplastic elastomer based highly thermally conductive compound intended primarily for heat dissipation. It can be used as gap filler between processor and heat sink or co-molded into plastic shell. Thermal conductivity is achieved with Boron nitride which is highly thermally conductive and electrically isolating. PRETHERM TPE 1075 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 metal contacts are also arranged. It can 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. The electronics industry is moving towards smaller devices with an increasing amount of special features. The smaller the device the more attention should be paid to controlling the excess heat.Cost Savings Through a Simplified Production Process: Traditionally the silicon-based compounds and glues are used as an intermediate heat conductor from circuit board to metal plate. When choosing PRETHERM TPE compound instead, the production process will be simplified and accelerated radically; PRETHERM TPE can be co-moulded with metal without using any primers. This results in a competitive advantage by reducing the production costs. PRETHERM TPE compounds are insulative and non-migrating and can therefore be placed directly into contact with sensitive electronics without the risk of short-circuits.Design and Processing:Production using normal thermoplastic processing methods; injection molding and extrusionEasy processability enables product designs with complex shapes and sizesMass-production friendly; fast cycle times, no need for vulcanisation nor primersRecyclable and RoHS compliantApplications: Heat sink, gap filler between metal and electric component in mobile phones, mobile phone base stations and other electronics as well as military application.Information from Premix OY
Physical Properties Metric English Comments
Density 1.60 g/cc
0.0578 lb/in³
Mechanical Properties Metric English Comments
Hardness, Shore A 75
75
ISO 868
Tensile Strength 1.80 MPa
261 psi
ISO 37
Tensile Strength, Yield 1.80 MPa
261 psi
ISO 37
Elongation at Break 28 %
28 %
ISO 37
Elongation at Yield 28 %
28 %
ISO 37
Compression Set 81 %

@Temperature 85.0 °C,
Time 86400 sec
81 %

@Temperature 185 °F,
Time 24.0 hour
ISO 815:1991
Thermal Properties Metric English Comments
Specific Heat Capacity 1.25 J/g-°C
0.299 BTU/lb-°F
Thermal Conductivity 5.30 W/m-K
36.8 BTU-in/hr-ft²-°F
Hot Disk
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+13 ohm-cm
1.00e+13 ohm-cm
ISO D-257
Processing Properties Metric English Comments
Rear Barrel Temperature 200 °C
392 °F
Zone 1
200 °C
392 °F
Zone 2
200 °C
392 °F
Zone 3
200 °C
392 °F
Zone 4
200 °C
392 °F
Zone 5
Nozzle Temperature 200 °C
392 °F
Mold Temperature 70.0 °C
158 °F
Moulding a 6 gram (shot weight) gasket with a 50 ton injection moulding machine having a screw diameter of 25[mm]
Injection Velocity 10.0 - 25.0 mm/sec
0.394 - 0.984 in/sec
Molding a 6 gram (shot weight) gasket with a 50 ton injection molding machine; screw diameter of 25 mm
Drying Temperature <= 60.0 °C
<= 140 °F
Pre-drying
Dry Time 3 hour
3 hour
Moisture Content <= 0.040 %
<= 0.040 %
when produced
Hold Pressure 0.000 MPa
0.000 psi
Back Pressure 0.300 MPa
43.5 psi
Moulding a 6 gram (shot weight) gasket with a 50 ton injection moulding machine having a screw diameter of 25[mm]
Cycle Time - Cooling 25 sec
25 sec
Shelf Life 12.0 Month
12.0 Month
Normal Storing Conditions
Descriptive Properties Value Comments
Appearance Granule
Colour White
Holding Time(s) 5
Injection time (s) 0.7
Plasticising speed 25-80% of Max 480 rev/min
Thermal Diffusivity(mm2/s) 2.6
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