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What is SICcast® ?

SICcast® EP 135 consists of silicon carbide, which can be mixed with a hot-curing epoxy resin (EP) under vacuum and cast without pressure in moulds. The temperature-controlled casting process keeps shrinkage very low. Parts from 1 kg to 8 tons can be produced with a high accuracy in high-precision casting. Required connection fits are processed to the finished size with diamond tools, and threaded connections are cast in directly with corrosion-resistant cast parts.

SICcast® EP 135 can be used at up to 135 °C.

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The Components:

SiC:

Silicon carbide is a synthetic mineral produced in an elaborate industrial procedure. The element silicon (Si) is present as a raw material in the form of silicon oxide (SiO2 quartz sand) and will form a carbon compound with petroleum coke under high temperature (+ CO). The result is silicon carbide (SiC) with a hardness according to Mohs at 9.7 (diamond=10). This is broken to different screen lines. The setup of different screen lines permits a high packing density of the grain.

Epoxy resin:

We produce SICcast® EP135 using a special hot-curing epoxy resin. It has the advantage over other resin systems that it is harder and suffers much less reaction shrinkage. This permits very precise castings and keeps elaborate processing down to the absolutely required locations.

Polish of the material in scale 500:1

SIConit 

 

  1. Binders and very small SIC grains
  2. The lighter areas show lower SiC-grains
  3. Binder entered into SiC-grain
  4. Ground, polished SiC-grain

The Result:

A metal-free, anti-magnetic, sound-muffling and vibration-dampening material with diamond-like hardness. 
Due to the chemical binding of the epoxy resin, this material is ductile and thus comparatively temperature shock and impact resilient.

The benefits of this material:

  • The high wear resilience due to the high silicon carbide share in excess of 80%
  • The lower brittleness due to the bound epoxy resin
  • The high chemical resilience of the SiC and EP resin (pH 0-12)

For the preparation of an offer and / or to test whether it is possible to coat your component, please fill out the checklist and we will contact you as soon as possible.

 

 

 

 

 

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