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P
Paper machine
A number of devices running in series (headbox, wire, press, drier, film press, calender and reeler). It produces paper in continuous webs from a fibrous slurry consisting of approx. 98-99% water and approx. 1-2% fibrous materials.

Technical details

  • Wire width 331 cm
  • Speed approx. 550-600 m/min
  • Total length approx. 100 m
Model PM3
Paper thickness
The dimension of a sheet of paper or board measured between the two surfaces using calipers. Thickness can vary in the same basis weight of paper. Formula: paper thickness (mm) / basis weight (kg) = volume
pH value
Measurement of the acidity or alkalinity of a solution. It is important for paper manufacturing and processing. The pH value is the negative logarithm to the base 10 of the hydrogen ion concentration. Neutral sized papers have a pH value of around 7 on the 14-part scale.
Poster paper
Papers that are as resistant to light, water and weather as possible for hanging posters on hoardings and other outdoor sites. Sometimes with colored or printed reverse side to prevent old posters hung beneath the new poster from showing through.
Preprint
Preprint papers are mostly offset papers pre-printed in the printshop (e.g. with company logo), which are then processed further by the end-user on office printing equipment. Preprint paper is manufactured drier than standard offset paper to ensure that it does not lose its original flatness when it is processed on laser or copying equipment.
Pressure sensitive papers
Paper coated with an active adhesive. To prevent premature adhesion, it is protected with a non-stick (e.g. silicon-coated) paper or film. Principal application: labels.
Pulp

Pulp is obtained in a chemical process from vegetable raw materials such as wood. We differentiate between ECF and TCF pulp. We only use pulp obtained from wood certification programmes.

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