SIGRATHERM® Water Based Graphite Dispersions Grade A

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Description

Dispersions based on expanded graphite powders and graphite nanoplates.


Expanded graphite nanoplates consist of small, 1-15 nanometer thick, single or multilayer graphite layers, with diameters up to 100 micrometers. They constitute a new class of graphite nanoparticles with multifunctional properties. In order to obtain a graphite dispersion, small graphite particles and nanoplates produced by secondary treatment of our expanded graphite are mixed with a dispersant in water. Depending on the application, the viscosity of the dispersion can be adjusted by means of different concentrations of solids. The maximum dispersible solid content is 5.5% by weight.


Key characteristics of our graphite nanoplates are:

  • Excellent layer formation on a variety of substrates, e.g. copper foil or PET film
  • The high aspect ratio of the graphite nanoplates allows high electrical and thermal conductivity
  • Freestanding graphite foils with a thickness between 5 and 15 μm can be produced

Los datos sobre este material han sido proporcionados por SGL Carbon.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

General

PropertyValueComment

Tamaño de partícula D50

200.0 μm

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liquid form

Área superficial específica

25.0 m²/g

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solid form

Aplicaciones térmicas

PropertyValueComment

Contenido de cenizas

0.01 %

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liquid form, DIN 51903 (max)

Rheological Properties

PropertyValueComment

Viscosidad

0.42 Pa·s

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liquid form

Chemical properties

PropertyValueComment

Azufre

0.1 %

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solid form (max)

Carbono

5.5 %

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liquid form

Oxígeno

0.5 %

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solid form (max)

Technological properties

Property
Other

Ratio of dispersion agent <1% (in water).