Papers for filtration

Papers for filtration The purpose of filtration papers is primarily to trap particles and impurities of certain size scale, depending on the application they are designed for. The use of porous paper for filtering and separation ranges from the use of filter cartridges for engine protection to dust pouches for vacuum cleaners and air conditioning,

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Papers for electrical applications

Papers for electrical applications Pure cellulose has outstanding electrical properties. It is a good insulation material and is also polar, having a proper dielectric constant. Therefore, paper has traditionally been used for electrical insulation in many applications. Electrical insulation papers are typical technical specialities and they have experienced a golden age. However, technological development has

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Speciality paper characteristics

Speciality paper characteristics On a general level, a speciality paper typically has a set of characteristics that are needed for a particular use. These may be very common ones, familiar with commodity paper grades, but more pronounced or with a closer tolerance. Such characteristics can include e.g.: strength thickness porosity absorption. Other, more particular characteristics

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Speciality papers

Speciality papers There is no exact definition of what types of papers should be called speciality papers. A simple way of classification would be that a speciality paper fills the criteria of having specific characteristics required for specific end uses. Another criterion that is used is the volume of sales of a certain paper grade;

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Printing and writing papers

Printing and writing papers Printing and writing papers are those paper grades which are used for newspapers, magazines, catalogues, books, commercial printing, copying, business forms, and stationery as well as for laser and digital printing. Consumption and production of these paper grades has declined over recent years. The biggest challenges facing the printing and writing

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Intro – Man-made fiber products valiversio

Introduction Forest industry is an energy-intensive industry. The pulp and paper is the fourth largest industrial sector in energy consumption. Production of pulp and paper in chemical forest industry requires energy in the form of heat and power. Heat energy is mainly used for heating material flows, evaporation water and to generate electricity. Electric power

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