Technical ceramics

Steatite and cordierite bodies are mainly composed of raw and calcined soapstone. However, binding clays rich of AI₂O₃ and chamottes or cordierite chamottes are used with technical ceramics. Pegmatite is a basic raw material for technical porcelain.

Clay

available:

  • raw lumpy
  • shredded
  • directly ground
  • dry ground up to < 63 μm

Firing colour Type Data in [%] AI₂O₃TiO₂Fe₂O₃K₂O
CLAY GF
  • plastic
  • refractory
 		32,501,621,580,88 Details
CLAY GWE 38
  • refractory
 		38,601,891,020,72 Details
CLAY GWE 40
  • refractory
 		40,901,881,070,63 Details
CLAY GWE 43
  • refractory
 		43,501,871,110,53 Details

Chamotte

available:

  • also fractional
  • ground in the range < 30 mm up to < 63 μm
Firing colour Type Data in [%] AI₂O₃TiO₂Fe₂O₃K₂O
Chamotte GF
  • refractory
 		32,601,571,580,81 Details
Chamotte GWE 40
  • refractory
 		41,201,881,060,71 Details
Chamotte GWE 43
  • refractory
 		43,501,871,110,53 Details
Cordierite chamotte GCS-WE
  • fired from fineceramic granulate
  • low thermal expansion
 		31,101,471,510,51 Details

Feldspar

available:

  • sieved 0-8 mm
  • ground in the range < 500 μm up to < 63 μm
Firing colour Type Data in [%] TiO₂Fe₂O₃K₂ONa₂O
Pegmatit GP 33 0,110,103,940,15 Details
Pegmatit GPA 45 0,120,096,030,28 Details

Soapstone

available:

  • lumpy
  • ground in the range < 30 mm up to < 63 μm
Firing colour Type Data in [%] AI₂O₃Fe₂O₃CaOMgO
A-Soapstone
  • fine-crystalline
  • very suitible for dry pressing
 		1,100,910,2131,70 Details
A-Soapstone calcined
  • shorting material
  • avoiding textures in bodies for extrusion
 		1,100,910,2131,70 Details

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