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BNZ Materials Zelie No. 20 Mortar
Categories: Ceramic; Oxide; Silicon Oxide

Material Notes: No. 20 is an air-setting mortar, gray in color, for use where extra hard air-set strength is desired. It is not recommended for laying insulating fire brick. Used up to 2700°F for setting hard brick with a rubbed joint and for washcoating hard brick. When desired to use old fire brick as a patching material or monolithic fill, No. 20 is thinned with water and the crushed brick added. Note: Coating IFB is rarely advisable.

Information provided by BNZ Materials Inc.

Available Properties
  • Bulk Density, Dipping, 10% H2O
  • Bulk Density, As received
  • Modulus of Rupture, Mortar
  • Maximum Service Temperature, Air
  • Shrinkage, Permanent Linear Change at Use Limit
  • Al2O3
  • Na2O
  • SiO2
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