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Language: English Polish Portuguese Russian
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Fiber Supply Series (Details)Includes 5 courses for $299/year. Pulping Library (Details)Includes 72 courses for $1,499/year.
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Training Time: 26 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, Portuguese, Polish, Russian
Wood is the main source of the fibers used in the large-scale industrial production of paper-based products. Paper can be made from other plant fibers such as papyrus, cotton, and flax, but wood has much greater availability. The various characteristics of these plant fibers help develop the properties of different paper products. This course describes the sources of fibers, the various characteristics of these fibers, how they are tested, and their value or impact in the manufacturing of pulp and paper.
At the end of this module, you will be able to:
The following key questions are answered in this module:
How do tree growing conditions affect chip properties?Trees in temperate climates grow slow during cold or dry periods and grow rapidly during wet and warm times. Fibers that grow fast are thinner and more flexible. Trees that grow in tropical climates where it is warm and wet all year, tend to have more uniform fibers.
What are some important chip quality parameters?Wood species, chip size distribution, moisture content, contamination level, and chip age are all important wood chip quality parameters.
What are some properties of softwood fibers?Softwood fibers are long and bulky. They provide strength to paper.
What are some properties of hardwood fibers?Hardwood fibers are short, thin, flexible fibers that provide smoothness and opacity to paper.
What are the different chip size categories?Chips can be grouped into overs, accepts, pins, and fines.
Below is a transcript of the video sample provided for this module:
Paper and Board Optical Tests
View Course
Paper and Board Strength Tests
Papermaking Process Testing
Paper Fiber Sources
Recaust Liquor Testing
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