Potassium Nitrate Crystalline Technical Grade


    Directions of useGlass (Cathode ray tubes, lead crystal, heat treating)
    Heat treating salts (steel and rubber manufacture), oxidising flux (in metallurgy)
    Heat transfer salts, energy storage
    Ceramics (tiles, glazes)


    (as KNO3)
    Min 99.4 %
    Sodium (Na)Max 300 ppm
    Magnesium (Mg)Max 10 ppm
    Calcium (Ca)Max 25 ppm
    Chloride (Cl)Max 300 ppm
    (10% Solution)
    6.0 to 8.5
    Mesh SizeOn 35 US mesh (>0.5mm): 8% Typical
    Through 120 US mesh (<0.125mm): 10% Typical
    Anti-caking AgentThis product is supplied with anticaking agent
    Matter Insoluble in WaterMax 350 ppm
    Iron (Fe)Max 10 ppm
    Shelf life25kg/50kg sewn bottom open mouth bag of woven & coated PP
    500kg/ 1000kg/ 1200kg net big bags (Including discharge spout and lifting loops), outer bag: woven polypropylene, inner bag: polyethylene.

    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 Mon 28 February 2011 (464)

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