Al2O3 castable cement

Al2O3 castable cement application.


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Cotronics® products available in six refractory compositions: Alumina, Ceramic Foam, Silica, Silicon Carbide and Zirconia.

Castable ceramic cement presentation

Parts as small as an inch to parts measuring over 6 ft. in length, and over 2000 pounds in weight, are easy to make.

Just mix and pour into any non-absorbent mold and let harden overnight to produce highly detailed ceramics, usable to 2200ºC.

Now an unlimited number of high temp. problems can be solved with ceramics using an in house process.

  • 780 - 1650°C : Alumina for general purpose
  • RTC 60 - 1760°C : High purity alumina

Castable ceramic cement (458.24k)

Technical data sheet castable ceramic cement.


Rescor 780 - Moldable...

Rescor 780 - Moldable Ceramic, Liquid Alumina

Cotronics  Rescor® 780  is a  ceramic casting cement  with excellent oxidation and erosion resistance. It is an  aluminium oxide  based cement with a temperature resistance of up to 1650°C.  This material is an excellent electrical insulator that can withstand very high temperatures. It is also a universal cement, recommended for all types of applications. It is available in 18.5 and 37 litres.  For larger quantities, please contact us.
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RTC-70-1 two-component...

RTC-70-1 two-component mouldable ceramic powder

RTC-70  fine is a  pure alumina  based powder Al2O3. It can withstand temperatures up to 1790 °C. It can be mixed with demineralised water. The mixture results in a moulding paste which must be shaped and dried. This paste can be poured onto all non-absorbent materials. The moulds should have sufficient vents to allow proper casting.  RTC-70 mouldable ceramic is available in 3.6 kg.  For larger sizes, please contact us. We offer other  moulding ceramics  with unlimited applications at high temperatures. 
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