1.6 Flashcards by Dean FUJIOKA

Polymers (thermoforming):
What are the properties of ‘Acrylic’? (PMMA)

Hard
Excellent optical qualities
Good resistance to weathering
Scratches easily
Brittle if thin

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Polymers (thermoforming):
What are common uses of ‘Acrylic’? (PMMA)

Spun into threads and woven - to mimic wool
Car lights

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Polymers (thermoforming):
What are the properties of ‘High Impact Polystyrene’? (HIPS)

Shatterproof
Good insulator
Flexible
Easily mouldable
Lightweight
Good gloss finnish
Impact resistant

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Polymers (thermoforming):
What are the common uses of ‘High Impact Polystyrene’? (HIPS)

Children’s toys
Yoghurt pots
Refrigerator liners

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Polymers (thermoforming):
What are the properties of ‘Hight Density Polyehelene’? (HDPE)

Hard and Stiff
Excelent chemical/cracking and rip resistance
Lightweight
Stiff

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Polymers (thermoforming):
What are the common uses of ‘Hight Density Polyehelene’? (HDPE)

Bins

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Polymers (thermoforming):
What are the properties of ‘Polyppropylene’? (PP)

Versatike
Low density
Ductile
Chemically resistant
Easily cleaned

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Polymers (thermoforming):
What are the common uses of ‘Polyppropylene’? (PP)

Toys
DVD and blu-ray cases
Food
Packing film
Bottle caps
Medical equipment

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Polymers (thermoforming):
What are the properties of ‘Polyvinyl Chloride’? (PVC)

Hard and tough
Good chemical and weather resistant
Low cost
Can be rigid or flexible
Easily extruded

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Polymers (thermoforming):
What are the common uses of ‘Polyvinyl Chloride’? (PVC)

Packing
Pipes
Outwear
Electrical tapes
Children’s toys

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Polymers (thermoforming):
What are the properties of ‘Polyethylene Terephthalate’? (PET)

Lightweight
Chemically resistant
Stable
Easily blow moulded
Recyclable

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Polymers (thermoforming):
What are the common uses of ‘Polyethylene Terephthalate’? (PET)

Drinks bottles
Food packaging
(single use plastics)

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General properties of ‘Thermoforming Polymers’

Good surface finnish
Can be repeatedly heated and moulded
Recyclable
Not suitable for use in areas of heat/UV sensitivity

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Polymers (thermosetting):
What are the properties of ‘Epoxy Resin’?
(Supplied as 2 liquids - a resin and a hardner which acts as a catalyst to set the resin)

Good strength to weight ratio
Adheres well to fibreglass and carbon fibre (to reinforce it)
Incredibly strong adhesive
Toxic fumes

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Polymers (thermosetting):
What are the common uses of ‘Epoxy Resin’?

As adhesives

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Polymers (thermosetting):
What are the properties of ‘Polyester Resin’?
(Viscose, pale polyester solution)

Stiff, hard and strong
Excelent resistance to heat, scratching and staining
High abrasion resistance
Can be casted and painted

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Polymers (thermosetting):
What are the common uses of ‘Polyester Resin’?

Flooring
Object embedding
Clear sculpture casting
Jewellery making
Resin replicas (anatomical models)

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Polymers (thermosetting):
What are the properties of ‘Phenol Formaldehyde’?

Very rigid and hard

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Polymers (thermosetting):
What are the common uses of ‘Phenol Formaldehyde’?

Electrical components
Household items (radios/clocks)

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Polymers (thermosetting):
What are the properties of ‘Melamine Formaldehyde’?

Brittle but becomes tough when laminated with glass fibre
Hard and rigid
Resistant to UV
Heavy
Heat and chemical resistant
Prone to chipping

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Polymers (thermosetting):
What are the common uses of ‘Melamine Formaldehyde’?

Picnic wear = lots of differnt colours
A laminate for kitchen surfaces

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Polymers (thermosetting):
What are the properties of ‘Urea Formaldehyde’?

Hard and rigid
Good electrical insulator
Heat resistant

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Polymers (thermosetting):
What are the common uses of ‘Urea Formaldehyde’?

Plug sockets and plufgs
Treating fabric - anti-wrinckling (crease resistance)
Binding to MDF boards

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General properties of ‘Thermosetting Polymers’

Cannot be reformed/remoulded once set into shape
Can withstand high temperatures
Waterproof when solid - ideal for adhesives
Non-recyclable
Good electrical insulators

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Papers and Boards: What are the properties of 'Tracing paper'?

Thin Transparent

Papers and Boards: What is 'Tracing paper' used for?

Used for tracing images

Papers and Boards: What are the properties of 'Bleedproof paper'?

Smooth Prevents markers from bleeding

Papers and Boards: What is 'Bleedproof paper' used for?

Used with marker pens

Papers and Boards: What are the properties of 'Grid paper'?

White paper printed with grid lines e.g. isometric

Papers and Boards: What is 'Grid paper' used for?

Ued for accurate drawings

Papers and Boards: What are the properties of 'Cartridge paper'?

Good quality thick white paper Often has a slight texture

Papers and Boards: What is 'Cartridge paper' used for?

Used for drawing

Papers and Boards: What are the properties of 'Layout paper'?

Translucent Lightweight Smooth finnish

Papers and Boards: What is 'Layout paper' used for?

Used for sketching

Papers and Boards: What are the properties of 'Duplex card'?

Thin One layer suitable for printing

Papers and Boards: What is 'Duplex card' used for?

Breakfast cereal boxes

Papers and Boards: What are the properties of 'Corrugated card'?

Strong Lightweight 2+ layers with fluted middle Good insuators

Papers and Boards: What is 'Corrugated card' used for?

Takeawat boxes

Papers and Boards: What are the properties of 'Foam core board'?

Two peices of board with a foam core Thick but very light Smooth surface

Papers and Boards: What is 'Foam core board' used for?

Used for displays

Papers and Boards: What are the properties of 'Foil lined board'?

Board laminated on inside with aluminium foil Good insulators Stiff

Papers and Boards: What is 'Foil lined board' used for?

Takeaway hot food container

Papers and Boards: What are the properties of 'Ink jet card'?

Brilliant white trated card to create a smooth finnish

Papers and Boards: What is 'Ink jet card' used for?

Used for printing

Papers and Boards: What are the properties of 'Solid white board'?

Good quality cradboard Smooth finnish on both sides Brilliant white finnish Easily cut/creased

Papers and Boards: What is 'Solid white board' used for?

Greetings card

State two reasons why corrugated cardboard is used as packaging for cooked pizza. (2 marks)

it is strong and lghtweight

Natural timbers: Name 3 'Soft woods' (cost effective and readily sourced)

Larch Pine Spruce

Natural timbers: What are the properties of 'Larch'?

Tough Easy to work with Naturally resistant to rot

Natural timbers: What are the properties of 'Pine'?

Soft Easy to work with Can be quite knotty

Natural timbers: What are the properties of 'Spruce'?

Lightweight Easy to work with Good resonant properties

Natural timbers: Name 5 'Hard woods' (decidous - loose leaves)

Balso Oak Mahogany Ash Beech

Natural timbers: What are the properties of 'Balso'?

Soft Lightweight Fast growing Strong

Natural timbers: What are the properties of 'Oak'?

Tough Hard Durable

Natural timbers: What are the properties of 'Mahogany'?

Strong Durable Available in wide planks

Natural timbers: What are the properties of 'Ash'?

Tough Flexible Finnishes well

Natural timbers: What are the properties of 'Beech'?

Hard Tough Strong

Manufactured timbers: What are manufactured boards commonly made from?

Woods fibres, chips, blocks or sheets bonded with resin

Manufactured timbers: What are the general properties of Manufactured boards?

Available in large sheets Susceptible to moisture Stable - less likely to waro/twist/shrink/bow Smooth, flat surface Can be made from sawmill scraps, reycled wood, low grade timbers and even sawdust

Manufactured timbers: What are the properties of 'Medium density fibreboard'? (MDF)

Relatively cheap Flat, smooth surface

Manufactured timbers: What are the common uses of 'Medium density fibreboard'? (MDF)

Flat pack furniture Shop interiors

Manufactured timbers: What are the properties of 'Plywood'?

Very strong Flat, smooth finnish

Manufactured timbers: What are the common uses of 'Plywood'?

Laminated flooring and roofing Furniture

Manufactured timbers: What are the properties of 'Chip board'?

Least expensive - really cheap Good compressive strength Edges chip easily

Manufactured timbers: What are the common uses of 'Chip board'?

Worktops Cupboards Flooring

1.6 Flashcards

(65 cards)