Eduqas GCSE Design and Technology · C600
Component 1
Revise: Paper and Board Manufacture and PropertiesThe chips can then follow either a mechanical or a chemical pulping route.
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GCSE Design and Technology · key term
Cooking woodchips with chemicals to remove lignin and separate the fibres.
Used by Eduqas
Component 1
Revise: Paper and Board Manufacture and PropertiesThe chips can then follow either a mechanical or a chemical pulping route.
Mechanical pulping separates fibres by grinding; chemical pulping cooks woodchips to remove lignin. Both routes still require sheet formation, pressing and drying.
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