12 Questions
Which type of paper is produced by further treating greaseproof paper in a super calendar?
Glassine paper
What is the primary purpose of wax-laminated papers in food packaging?
To provide a moisture barrier
What distinguishes chipboard from other paperboards used in food packaging?
It is made from repulped waste
Which type of paperboard is usually lined on both sides with chemical pulp and commonly used for frozen foods?
Duplex board
What differentiates waxed papers from wax-laminated papers in terms of surface film?
Wax-laminated papers have a continuous surface film
Why was vegetable parchment first used for wrapping fatty foods like butter?
For its grease resistance
What are the main examples of paper and paperboard-based packaging materials mentioned in the text?
Paper bags, wrapping papers, multiwall paper sacks, folding cartons
What is a key property of Kraft paper that makes it suitable for packaging?
Exceptional strength
How are bleached papers different from unbleached papers in terms of properties?
Bleached papers are brighter and softer
What is a common feature of infusible tissues like tea and coffee bags mentioned in the text?
High water permeability
Why are properties like appearance and performance important for packaging materials according to the text?
To ensure the safety and attractiveness of packaged products
What is a common processing method mentioned for making Kraft paper?
Fourdrinier machine production
Explore the different types of packaging materials made from papers and paperboards, including paper bags, wrapping papers, infusible tissues, folding cartons, and rigid boxes. Learn about the properties and features of paper and paperboard used for packaging various products.
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