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Kraft process


Posted on Juli 18, 2009 - by admin, in category News

The kraft process (also known as kraft pulping or sulfate process) describes a technology for conversion of wood into wood pulp consisting of almost pure cellulose fibers. The process entails treatment of wood chips with a mixture of sodium hydroxide and sodium sulfide that break the bonds that link lignin to the cellulose. The process name is derived from German kraft, meaning strength/power; both capitalized and lowercase names (Kraft process and kraft process) appear in the literature, but “kraft” is most commonly used in the pulp and paper industry.

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1 comment for “Kraft process”

  1. putri Says:
    Oktober 18th, 2011 at 2:23 pm

    what is the different between kraft and chipboard???


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Paper Core

Posted on Jan 19, 2012 - by admin

Have you ever wondered what is the definition of Paper Core? Well, the websters-online-dictionary.org said that paper core is a board tube with a multiply wall of paper wound and laminated with an adhesive, e. g. waterglass: an aqueous solution of sodium silicate.
This product can be used in textile, bobbin and plastic industries. Contact […]

History of Paper Pulp

Posted on Jul 25, 2009 - by admin

Using wood to make paper is a fairly recent innovation. In the 1800s, fiber crops such as linen fibres were the primary material source, and paper was a relatively expensive commodity. The use of wood to make pulp for paper began with the development of mechanical pulping in Germany by F.G. Keller in the […]