Section A: Material Categories and Properties Flashcards

(73 cards)

1
Q

What is paper measured in and common weights

A

GSM
60-170gsm

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2
Q

What are the properties and uses of layout paper

A

med oppacity, smooth finish
60-90gsm
sketch and design work

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3
Q

What are the properties and uses of tracing paper

A

off white low opacity
60-90gsm
copying,overlay and tracing drawings

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4
Q

What are the properties and uses of cartridge paper

A

thick white, textured surface
120-150gsm
sketching,watercolours, ink drawings

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5
Q

What are the properties and uses of Bleed proof paper

A

thick coated, prevents ink/pen bleed
120-150gsm
high quality illustraions, colour richness and vibrancy

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6
Q

What are the properties and uses of grid paper

A

white, printed grid squares, isometric&others
80-100gsm
scale drawings, model making, scientific diagrams

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7
Q

What range does card weigh

A

200-350gsm

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8
Q

How is board measured

A

thickness in microns

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9
Q

What are the properties and uses of corrugated card

A

2 layers of lightweight card
contains fluted layer for strength
packaging for impact protection and insulation
fully degradable/recylable

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10
Q

What are the properties and uses of foil-lined card

A

card coated in foil on one side
retains heat, creates moisture barrier
takeaway containers

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11
Q

What are the properties and uses of Duplex

A

2 layers bonded together often with white external layer
metallic/holographic finish
packaging
food and drink with waxy coating

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12
Q

What are the properties and uses of foam core

A

inner foam core with paper face
rigid and stiff
model making and mounting artworks

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13
Q

What are the properties and uses of ink jet

A

treated card with smooth finish, bleed proof prinatble surface
printing photos, artworks

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14
Q

What are the properties and uses of solid white

A

high quality, white smooth finish on both sides
greetings cards, quality packaging and book covers

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15
Q

Name the 5 hardwoods

A

ash
beech
mahogany
balsa
oak

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16
Q

What form of tree is hardwood

A

desiduous-broad leafed hybernates in winter

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17
Q

What are the properties and uses of ash

A

flexible, tough, shock resistant laminates well
sports equip, tool handles

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18
Q

What are the properties and uses of beech

A

fine finish, tough, durable
childrens toys, models, furniture, veneers

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19
Q

What are the properties and uses of mahogany

A

easily worked, durable, finishes well
high end furniture, joinery, veneers

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20
Q

What are the properties and uses of oak

A

tough, hard, durable, high quality finish possible
flooring, furniture, railway sleepers, veneers

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21
Q

What are the properties and uses of balsa

A

very soft, spongy, good strength:weight
prototype, modelling

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22
Q

What form of tree is softwood

A

coniferous-bears needles and cones

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23
Q

What are the properties and uses of pine

A

lightweight, easy to work, split, resinous near knots
interior construction, furniture

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24
Q

What are the properties and uses of spruce

A

easy to work, hight stiffness:weight
construction, furniture, musical instuments

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25
What are the properties and uses of larch
durable, tough, good water resistance, good surface finish exterior cladding, decking,flooring,machined mouldings,furniture,veneers,railway sleepers
26
What are the properties and uses of plywood
very stable due to alternate layering at 90*, outside layers running same direction furniture, shelving, toys,construction
27
What are manufactured boards
sheets of processed natural timber waste products/veneers combined with adhesives made of waste wood, low-grade timber, recycled timber
28
What are the properties and uses of ferrous metals
most magnetic vulnrable to rust with no finish
29
What are the properties and uses of chipboard
good compressive strength, good value, prone to chipping on edges/corners, unless finished not water resistant flooring, low-end furniture, kitchen units, worktops
30
What are the properties and uses of MDF
rigid,stable,smooth,easy to finish, absorbent-not good in damp flat pack furniture, toys, kitchen units, internal construction
31
Wgat do ferrous metals contain
iron ferrite high tensile strength and durability
32
How is stainless stell protected from rusting
its got chromium in it
33
What are the properties and uses of cast iron
hard,brittle, resists deformation&rust kitchen pans, machine bases, manhole covers
34
What are the properties and uses of low carbon/ mild steel
tough, ductile, rusts easily car bodies, steel building frames, pipelines
35
What are the properties and uses of high carbon steel
hard, bittle, hard wearing, resists abrasion, retains shape tools, blades, scissors
36
What are the properties and uses of non-ferrous
pure metals no iron non-magnetic- used for electronices/wire higher resistance to rust but corrode/oxidise used externally for guttering pipes/road signs
37
Name 3 ferrous metals
cast iron low carbon/ mild steel high carbon steel
38
Name 4 non-ferrous metals
zinc copper tin aluminium
39
What are the properties and uses of aluminium
lightweight, ductile, resists corrosion bike frames, drink cans, takeaway trays
40
What are the properties and uses of zinc
brittle, malleable, high corrosion resistance galvanise steel
41
What are the properties and uses of copper
ductile, malleable, good electrical conductor plumbing supplies, electrical cables
42
What are the properties and uses of tin
malleable, ductile, high corrosion ressistance, good electrical conductor solder, plating sufaces eg cans
43
What are alloys
mixture of 1+ pure metal with another element to improve properties/aesthetics
44
# alloys Explain high speed steel
can withstand high temps when machinging at hight speed used in cutting tools like drill bits, mill cutters and dies
45
# alloys Explain stainless steel
Hard, ductile, rust resistant, chromium layers protcts from corrosion Cutlery, kitchen and medical equip
46
# thermoforming polymers Describe Polypropylene (PP)
Flexible,tough, lightweight,food safe used in kitchen, medical products, rope
47
# thermoforming polymers Describe HDPE
Lightweight, rip/chemical resistant used in milk bottles, pipes, crates,wheelie bins
48
# thermoforming polymers Describe HIPS
Felxible, impact resistant, lightweight, food safe used in yoghurt pots vacuum formed products
49
# thermoforming polymers Describe PET
Blow moulded,chemically resistant and recyclable used water bottles, containers and yarn
50
# thermoforming polymers Describe PMMA
tough, brittle when thin, easily scratched used in car lights, alt. to glass, modern baths, clothing
51
# thermoforming polymers Describe PVC
Flexible, easily extruded, tough and resistant to chemicals used in raincoats,pipes and electrical tape
52
# thermosetting polymers Describe PR
Good electrical insulator, hard, tough when mixed w glass-GRP used in encapsulation, boat hulls as GRP
53
# thermosetting polymers Describe Urea formaldehyde UF
High tensile strength, heat resistant, good elecric insulator, hard, brittle used in adhesives, decorative kaminates and electrical casings
54
# thermosetting polymers Describe Exposy resin
Good strength to weight ratio, good electrical insulator, heat resistant used in bonding waterproff coating, electric circuit boards
55
# thermosetting polymers Describe PF
Heat resistant, good electrical insulator used in heat res. handles, electrical components, snooker balls
56
# thermosetting polymers Describe MF
Lightweight,hard,brittle used in worktops,surfaces, some kitchenware
57
Describe thermosetting specialty
Plastics have rigid cross-linked polymer chains that cannot be reformed when heated
58
Describe thermoforming
Plastics have more flexible and loose polymer chains that break apart when heated
59
Describe natural fibres
made from animal or plant based fibres-renewable
60
Describe cotton
Soft,strong absorbent, washes and takes dyes well used as towels,bedsheets and clothing
61
Describe slik
Soft, lightweight natural shine bec of triangular structure used in lux. clothing, undies, ties, wall hangings, night clothes
62
Describe wool
Warm,naturally crease res., shinkable used in jumpers, coats,suits,blankets and carpets
63
Describe synthetic fibres
made from chemically produced polymers
64
Describe Nylon
Strong,heard wearing, crease res. used in rope, webbing,parachutes,sportswear,umbrellas
65
Describe lycra
Smooth, strong,elactic/stretchy, quick drying used in sportwear, swim, surgical supports
66
Describe polyester
tough, strong, hard wearing, non-absorbent used in fleece, backpacks, threads, sportswear
67
Describe blended/mixed fibres
combine 2+ types of fibres to produce useful property fabric
68
Describe polycotton
durable, stronger than cotton, crease reduce used in clothing and bed sheets
69
Describe woven cloth
made of two sets of yarn, threaded 90deg. WARP fixed on the loom length. WEFT run on width
70
Describe plain weave
strong hard wearing, retains shape, even surface used in table cloths, upholstery, clothing
71
Describe non-woven fabric
made directly from fibres without being spun
72
Describe weft knitting
machine/hand made, using single yarn that interlocking loops across width. stretchy/loose shape
73
Describe warp knitting
machine made, forms interlocking vertical loops less stretcy/holds shape better