9 Things to Remember When Buying Gypsum

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Nine Things to Remember When Buying Gypsum

9 Things to Remember When Buying Gypsum

  1. The  higher the percentage of sand in gypsum is the lower its quality will be and vice versa.
  2. The lower the pH value of gypsum is the higher its quality will be.

3. Salinity (expressed as EC) is the most important factor in selecting high quality gypsum. The lower the salinity         (EC value) of gypsum is the higher its quality will be.

  1. The higher the Ca content of gypsum is the better its quality will be.
  2. Magnesium (Mg) is an undesirable element in gypsum: the higher the Mg content of gypsum is the lower its quality will be.
  3. The lower the sodium (Na) content of gypsum is the better its quality will be.
  4. The important parameter of the percentage of gypsum shows the purity of the material: the higher the percentage of gypsum in the product is the better its quality will be.
  5. The lower the percentage of TNV (total neutralizing value) in gypsum is the higher its quality will be.
  6. The higher the Ca/ Mg ratio is the higher its quality will be.