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Oyster shells

  • Chemical formula           CaCO3
  • Identification           CAS/EINECS No: 471-34-1 / 207-439-9
  • Process           Feed grade oyster shells are excavated from 8,000 - 10,000 years                     old deposits in certain Danish Fjords. The shells are crushed and                     oven dried and are available in various grades.
  • Chemical characteristics (typical)
              Calcium carbonate about 95 %
              Calcium about 37 %
              Insoluble in HCl max. 5%
  • Physical properties (typical)
              Appearance fine, medium and coarse flakes
      greyish colour
              Specific gravity 0.8 - 0.86 kg/dm3 according to grade
  • Handling, storage, toxicity
              Handling use dust mask
              Storage store in a dry place
              Toxicity non toxic
  • Specific advantages
              Excellent calcium source for poultry
 
 
 
 
 
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