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Sodium bentonite with high natural features for Age of sand molding.  Constant compressibility (40) at the level of need for moisture resistance and high strength and high thermal values are different from the other bentonite products.  Foundries, high thermal durability is reduced with the addition of bentonite and sand, the ideal high-heat installations, or high melting temperatures of activated bentonites. Besides the addition of bentonite to reduce the cost of low-bentonite, moisture and reduces the amount of the total AFS clay, thus minimize product failure. Also, in terms of waste disposal, less environmentally foundries reduce costs drastically. This bentonite sand mold because of the need for low humidity decreases the need for total humidity. This is due to the high moisture casting mistakes (errors of gas, surface disturbances) removes

Casting about Bentonite Technical Information:
  • Color Yellow
  • Swelling Index 20-25
  • Coefficient of gelation for at least 12
  • PH is worth at least 8.5
  • Humidity up to 10
  • Value of Sintered 1070 C without any shrinkage Sintered
  • Loss on Ignition  Maximum 7.5%
  • Colloidal precipitate the property up to 3% in 24 hours
  • Up to 1% Lime
  • Montmorillonite At least 66%
  • Age Strength of at least 2000 gr/cm2
  • Wet Tensile At least 35 gr/cm2
  • Dry Strength of at least 2500 gr/cm2