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Types of Packaging Materials: Papers and Paperboards

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Types of Packaging Materials: Papers and Paperboards

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Questions and Answers

Which type of paper is produced by further treating greaseproof paper in a super calendar?

Greaseproof paper

Glassine paper (correct)

Vegetable parchment

Tissue paper

What is the primary purpose of wax-laminated papers in food packaging?

To provide a moisture barrier (correct)

To increase shelf life

To add flavor to the food product

To enhance transparency

What distinguishes chipboard from other paperboards used in food packaging?

It is lined with chemical pulp on both sides

It is made from repulped waste (correct)

It is bright white in color

It is wax-coated for extra protection

Which type of paperboard is usually lined on both sides with chemical pulp and commonly used for frozen foods?

Duplex board Signup and view all the answers

What differentiates waxed papers from wax-laminated papers in terms of surface film?

Wax-laminated papers have a continuous surface film Signup and view all the answers

Why was vegetable parchment first used for wrapping fatty foods like butter?

For its grease resistance Signup and view all the answers

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 Signup and view all the answers

What is a key property of Kraft paper that makes it suitable for packaging?

Exceptional strength Signup and view all the answers

How are bleached papers different from unbleached papers in terms of properties?

Bleached papers are brighter and softer Signup and view all the answers

What is a common feature of infusible tissues like tea and coffee bags mentioned in the text?

High water permeability Signup and view all the answers

Why are properties like appearance and performance important for packaging materials according to the text?

To ensure the safety and attractiveness of packaged products Signup and view all the answers

What is a common processing method mentioned for making Kraft paper?

Fourdrinier machine production Signup and view all the answers