Bricks / Roofing tiles

Slaty clays from the Lias and Keuper periods optimise pressing, drying and firing properties.

Washed potassium feldspathic sand FSW 0,1-0,5mm is an excellent shorting material in roofing tiles.

Clay

available:

  • raw lumpy
  • shredded
  • directly ground
  • dry ground up to < 63 μm
Firing colour Type Data in [%] AI₂O₃TiO₂Fe₂O₃K₂O
CLAY GFU
  • plastic
  • refractory
 		26,701,813,420,56 Details
CLAY GTR
  • stabilising colour
  • plastic
 		22,601,196,452,61 Details

Feldspar

available:

  • sieved 0-8 mm
  • ground in the range < 500 μm up to < 63 μm
Firing colour Type Data in [%] TiO₂Fe₂O₃K₂ONa₂O
Feldspathic sand FSW 0,1-0,5mm 0,080,195,110,40 Details

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