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      Nickel dibutyldithiocarbamate (Antioxidant NBC)


       

      Chemical name: Nickel dibutyldithiocarbamate
      Structural formula:

      Molecular formula:C18H36N2S4Ni
      Molecular weight: 467.5
      Properties: It is bottle-green powder. Specific gravity: 126g/cm3. Melting point ≥ 83°C. It is soluble in chloroform, benzene, carbon disulfide; slightly soluble in acetone and ethanol; insoluble in water and gasoline. Stable for storage.
      Functions: NBC can be used as an antiozonant for CR, CSPR, ECO, SBR, NBR, etc. In CR, it can improve the thermal resistance of rubber, and reduce the discoloration under the sun, and it can slightly retard the vulcanization. It is a kind of thermal stabilizer in CSPR vulcanized by metal oxide. In SBR, it has good protective character to ozone, weather, aging, crazing and flexing, but it has no oxidation resistance, so it should be used together with good antioxidant. It can easily disperse in rubber and make the rubber green, but is pollution-free. Normal dosage is 1-2 phr in CR and 0.5-3 phr in SBR.
      Quality index:

       

      Item
      Value
      Appearance
      Bottle-green powder or granules
      Melting point °C ≥
      83
      Moisture % ≤
      0.3
      Ash content % ≤
      20

       

      Package: Pack in paper drum lined with PVC film bag; net weight: 25kg/bag.
      Storage: Store in cool, shady, dry and ventilated places. Keep away from moisture, fire and solarization


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