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Thermally Conductive Alumina and Zinc Oxide

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Product Overview

 

SILATHERM® alumina and zinc oxides grades are used to increase the thermal conductivity of polymers. With these products, the quick and cost-effective manufacturing process of injection moulding can be used to produce polymer parts with good levels of thermal management. Typically these materials are being used in the automotive sector however electronics and consumer items are also increasing their demand for polymers that can conduct heat away from various thermal sources. Crucial to the success of alumina and zinc oxide are applications where thermal conductivity and electrical insulation are needed in combination. Traditional metal-based powders are not able to offer both of these advantages together.

SILATHERM® products come in a range of particle sizes and with optional surface treatments that allow higher filler loadings to be combined with improved mechanical properties (over untreated versions). Get in touch with Lawrence Industries today to discuss your project with one of our technical sales team.

 

Brochures & Technical Literature

SILATHERM® Overview

A quick introduction to the features and benefits of SILATHERM® aluminas and zinc oxides, for compounding thermally conductive thermoplastics and thermosets.

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SILATHERM® for Improvement of the Thermal Conductivity of Thermoplastic Compounds

An overview of the SILATHERM® product range with thermal conductivity performance-related data in different polymer systems.

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Product Features
  • Thermally conductive alumina for thermoset applications
  • Softer, thermally conductive, zinc oxide for thermoplastics
  • A range of particle sizes and surface treatments available
  • Chemically inert
Product Benefits
  • Thermal conductivities in the range of 14-30 W/mK
  • Electrically insulating
  • Surface treatments allow for higher loadings to be attained/lower viscosity build and offer improved mechanical properties of the composite
  • Comparatively cost-effective way of imparting thermal conductivity to polymers
  • Easy to colour the composite afterwards
Typical Applications
  • Electric motor housings
  • Microprocessors
  • Injection moulded parts (include at compound stage)
  • Adhesives and sealants
  • Silicone rubber
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