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Supply Industry

In addition to wood and cellulose, filling materials and additives are part of the base materials of paper. Key filling materials are calcium carbonate and kaolin. In paper the filling materials collect in the pores between the fibres and consequently bring about the homogenisation of the paper web and also the paper's degree of whiteness.

Additives in the material preparation

  • bleaching agents such as hydrogen peroxide, caustic soda lye and other
  • additives such as glue, kaolin and other

Additives in the paper machine

  • glue, starch retention agents and other

Additives in the coating kitchen

  • pigments such as kaolin, titandioxide, calcium carbonate and other
  • adhesives such as starch, latex and other
  • additives such as bentonite, caustic soda lye and others


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