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Chemically Resistant adhesives
Premix Thermoplastics PRETHERM TPE 1075 Thermoplastic Elastomer, Boron Nitride / SEBS compound
Categories: Polymer; Thermoplastic; Elastomer, TPE

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 extrusion
Easy processability enables product designs with complex shapes and sizes
Mass-production friendly; fast cycle times, no need for vulcanisation nor primers
Recyclable and RoHS compliant

Applications: 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

Available Properties
  • Density
  • Hardness, Shore A, ISO 868
  • Tensile Strength, ISO 37
  • Tensile Strength, Yield, ISO 37
  • Elongation at Break, ISO 37
  • Elongation at Yield, ISO 37
  • Compression Set, ISO 815:1991
  • Volume Resistivity, ISO D-257
  • Specific Heat Capacity
  • Thermal Conductivity, Hot Disk
  • Rear Barrel Temperature, Zone 1
  • Rear Barrel Temperature, Zone 2
  • Rear Barrel Temperature, Zone 3
  • Rear Barrel Temperature, Zone 4
  • Rear Barrel Temperature, Zone 5
  • Nozzle Temperature
  • Mold Temperature, Molding a 6 gram (shot weight) gasket with a 50 ton injection molding machine with a screw diameter of 25 mm
  • Injection Velocity, Molding a 6 gram (shot weight) gasket with a 50 ton injection molding machine; screw diameter of 25 mm
  • Drying Temperature, Pre-drying
  • Dry Time
  • Moisture Content, when produced
  • Hold Pressure
  • Back Pressure, Molding a 6 gram (shot weight) gasket with a 50 ton injection molding machine with a screw diameter of 25 mm
  • Cycle Time - Cooling
  • Shelf Life, Normal Storing Conditions
Property Data

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Manufacturer Notes:
Premix Thermoplastics Inc.

Category Notes
Thermoplastic Elastomer

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Chemically Resistant adhesives
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