Mastering Papers and Boards
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Questions and Answers

What are the three formats in which papers and boards are usually available?

Rolls, Sheet, Ply form

What is the purpose of using rolls format in printing?

Used in printing

Name one industry that uses sheet form of paper.

Printing, art supplies, consumer-based goods

What is the purpose of using ply form of paper?

<p>Packaging or kitchen/toilet rolls</p> Signup and view all the answers

How are the layers held together in ply form of paper?

<p>Embossing techniques or glue</p> Signup and view all the answers

What are the three series into which paper sizes are split?

<p>A, B, C</p> Signup and view all the answers

What are the typical uses of A series paper sizes?

<p>School or home use</p> Signup and view all the answers

What are the typical uses of B series paper sizes?

<p>Poster printing or publishing</p> Signup and view all the answers

What are the typical uses of C series paper sizes?

<p>Envelopes</p> Signup and view all the answers

How does the size of A series paper change as the number increases?

<p>Halves each time</p> Signup and view all the answers

How is paper weight measured?

<p>In gsm (grams per square metre)</p> Signup and view all the answers

What is the maximum weight for a material to be considered as paper?

<p>200 gsm</p> Signup and view all the answers

How is board measured?

<p>By its thickness (in microns)</p> Signup and view all the answers

What is the size of a good quality greeting card in microns?

<p>300 microns</p> Signup and view all the answers

What is the wastage process in the context of material production?

<p>Taking something away from a material.</p> Signup and view all the answers

What is the addition process in the context of material production?

<p>Adding on a material.</p> Signup and view all the answers

What is the deforming process in the context of material production?

<p>Folding, perforating, bending and shaping materials to create 3D forms.</p> Signup and view all the answers

What is the reforming process in the context of material production?

<p>The changing of the material's shape, often by heat.</p> Signup and view all the answers

What is the main commercial printing process for paper and boards?

<p>Offset lithography.</p> Signup and view all the answers

Flashcards

What are the common paper and board formats?

Rolls, sheets, and ply are the common formats for paper and boards.

Why are rolls used in printing?

Rolls are used in printing because they allow for continuous printing without interruption.

What are sheet formats used for?

Sheets are commonly used in various industries like printing, art, and consumer goods because they provide a versatile format for individual use.

What are ply forms used for?

Ply forms are primarily used for packaging (like cardboard boxes) or for creating rolls like kitchen or toilet paper.

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How are layers in ply paper held together?

Layers in ply form paper are held together through techniques like embossing or glue.

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What are the paper size series?

Paper sizes are categorized into three main series: A, B, and C.

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What are A series paper sizes used for?

A series paper sizes are commonly used in schools, homes, and offices for everyday printing and writing.

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What are B series paper sizes used for?

B series paper sizes are often used for poster printing and publishing due to their larger dimensions.

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What are C series paper sizes used for?

C series paper sizes are primarily designed to fit envelopes, ensuring a perfect match for letter-sized documents.

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How do A series sizes relate to each other?

As the number in the A series increases, the paper size is halved, meaning A4 is half the size of A3.

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How is paper weight measured?

Paper weight is measured in grams per square meter (gsm), indicating the density and thickness of the paper.

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What is the maximum weight for a material to be considered paper?

Materials with a weight up to 200 gsm are typically considered paper.

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How is board thickness measured?

Board thickness is measured in microns, representing the thickness of the material.

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What is the typical thickness of a greeting card board?

A 300-micron thick board is common for good quality greeting cards, providing strength and durability.

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What is material wastage?

Wastage in material production refers to the removal of material during processing.

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What is material addition?

Addition in material production involves adding material to another substance.

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What is material deforming?

Deforming in material production refers to changing the shape of materials, often by folding, perforating, bending, or shaping to create three-dimensional forms.

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What is material reforming?

Reforming in material production involves changing the shape of a material through processes like heating and molding.

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What is the primary printing process for paper and boards?

The main commercial printing process for paper and boards is offset lithography.

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