Oyster Shell Calcium Carbonate


    A directly compressible product compounded exclusively with low lead oyster shell powder, Acacia Gum, Maltodextrin and water. The product is completely natural and contains no added sugar, salt preservatives, colour, flavours or milk by-products.

    CharacteristicGrey free flowing granules
    Ingredients DeclarationOyster Shell Calcium carbonate, Acacia Gum, Maltodextrin IP, Water


    Particle size% through US STD 16 mesh: Min 100%
    % through US STD 60 mesh: Max 75%
    % through US STD 200 mesh: Max 12%
    Calcium (Ca)Min 36.0 %
    Bulk Density
    0.80 to 1.10g/ml
    Heavy metals
    (as Pb)
    Max 20 ppm
    ArsenicMax 3.0 ppm
    Loss on dryingMax 2.0 %
    LeadMax 0.4 ppm
    MercuryMax 0.5 ppm
    Calcium CarbonateMin 89.9 %


    YeastsMax 100 cfu/g
    MouldsMax 100 cfu/g
    Staphylococcus aureusNegative
    Escherichia ColiNegative
    Aerobic count
    Max 1000 cfu/g

    Direct Food Ingredients will ensure that any material supplied this specification will confirm to the above physical and chemical properties. However, we have no control over the use of the material and can accept no responsibility for problems caused by the customer's failure to ensure the material supplied is suitable for the intended use.

    This specification has been last modified on Thu 6 January 2011 (358)

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