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Thermo-
plastics |
Properties |
Applications
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PEEK™
(Polyarylethe-retherketone) |
Rigid opaque (grey) material with a unique combination of
properties, which include exceptional chemical, wear, electrical
and temperature resistance, as well as dimensional stability and
numerous processing capabilities |
PEEK™ polymer
is used typically as a replacement for machined metals in a wide
variety of high performance end-use applications. These range in
diversity from components for cars, aircraft, industrial pumps,
valves and seals, to silicon wafer carriers, connectors and
sterilisable surgical instruments and in the medical implants
market. |
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Polybutene-1
(PB-1)
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PB-1 is obtained by polymerisation of butene-1, with
a stereo-specific Ziegler-Natta catalyst to create a linear,
high molecular, isotactic, semi-crystalline polymer. |
A major application area for polybutene resins is
seal-peel or easy-open packaging. Typical examples include
carton liners (e.g. cereal packaging) and packs for pre-packed
delicatessen products like cold meats, cheeses and smoked
salmon. |
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Nylons
(Polyamides)
PA
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The majority of
nylons tend to be semi-crystalline and are generally very tough
materials with good thermal and chemical resistance. The
different types give a wide range of properties with specific
gravity, melting point and moisture content tending to reduce as
the nylon number increases. |
Nylon fibres
are used in textiles, fishing line and carpets. Nylon films is
used for food packaging, offering toughness and low gas
permeability, and coupled with its temperature resistance, for
boil-in-the-bag food packaging. |
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Polycarbonate
PC
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Polycarbonates
are strong, stiff, hard, tough, transparent engineering
thermoplastics that can maintain rigidity up to 140oC and
toughness down to -20°C or special grades even lower.
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In recent years
Polycarbonate blends have become increasingly commercially
important. PC is widely used in blends due to its excellent
compatibility with a range of polymers |
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Polyesters
(Thermoplastic)
PETP, PBT, PET
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PBT, PET and
PBT Blends are engineering plastics with excellent processing
characteristics and high strength and rigidity for a broad range
of applications. |
Engineering
polymers are used in the manufacture of a wide range of
components, including under bonnet parts, exterior parts (window
wiper holders and exterior mirror housing). |
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Polyphenylene Sulphide
PPS
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Rigid, opaque
non-burning continuous use at 240'C, good chemical resistance,
good electrical insulator, moisture resistant, rarely used
unfilled.
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Chemical pumps,
hair dryer grills, non-stick cookware (alloyed with PTFE),
medical equipment, lamp bulb bases, TV and automotive
components. |
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Polypropylene
PP
|
Semi-rigid,
translucent, good chemical resistance, tough, good fatigue
resistance, integral hinge property, good heat resistance. |
Flexible and
rigid packaging, automotive Bumpers, cladding, and exterior trim
, consumer products, and industrial uses. PP fibre is used in
tape and strapping. |
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Polyvinyl
Chloride
PVC
|
compatibility
with many different kinds of additives - PVC can be clear or
coloured, rigid or flexible, formulation of the compound is key
to PVC's "added value". |
Window frames, drainage pipe, water service pipe, medical
devices, blood storage bags, cable and wire insulation,
resilient flooring, roofing membranes, stationary, automotive
interiors and seat coverings, fashion and footwear, packaging,
cling film, credit cards, synthetic leather and other coated
fabrics. |
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Thermoplastic Elastomers
TPE, TPR
|
Flexible, clear,
elastic, wear resistant and impermeable. |
Soles and heels for sports shoes, hammer heads, seals, gaskets,
skate board wheels, synthetic leather fabrics, silent running
gears. |
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Acrylonitrile
Butadiene
Styrene
(ABS) and Other
Specialist Styrenics |
Rigid, opaque,
glossy tough, good low temperature properties, good dimensional
stability and easily electroplated, low creep. |
Telephone
handsets, rigid luggage, domestic appliance housings (food
mixers), electroplated parts, radiator grills, handles, computer
housings. |
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Styrene Acrylonitrile
(SAN) & Acrylonitrile
Styrene Acrylate (ASA) |
Rigid,
transparent, tough, resistant to greases, stress cracking and
crazing, easily processed, resistant to food stains. |
Drinking tumblers, hi-fi covers, lenses, water jugs and
toothbrush handles, kitchen and picnic ware, radio dials, TV set
screens, washing machine trims. |
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Aramids PI
Aromatic Polyamide |
Rigid, opaque,
high strength, exceptional thermal and electrical properties (up
to 480'C), resistant to ionising radiation, high cost.
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Aerospace
components, reinforcing fibres, high temperature resistance
foams, chemical fibres and arc welding torches. |
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Cellulosics
CA,CAB
CAP,CN
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Spectacle
frames, toothbrushes, tool handles, transparent wrapping,
metallised parts (reflectors etc), pen barrels. |
Spectacle
frames, toothbrushes, tool handles, transparent wrapping,
metallised parts (reflectors etc), pen barrels. |
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Ethylene
Vinyl
Acetate
EVA
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Flexible
(rubbery), transparent, good low temperature flexibility
(-70'C), good chemical resistance, high friction coefficient.
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Teats, handle
grips, flexible tubing, record turntable mats, beer tubing,
vacuum, cleaner hosing. |
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Fluoroplastics
PTFE
FEP
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Semi-rigid,
translucent, exceptional low friction characteristics, superior
chemical resistance, impervious to fungi or bacteria, high
temperature stability (260'C), low temperature toughness
(-160'C), good weathering resistance and electrical properties. |
Non-stick
coating, gaskets, packing's, bearings, high and low temperature
electrical and medical applications, laboratory equipment, pump
parts, thread seal tape. |
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Polyacetals
POM
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Rigid,
translucent, tough, spring-like qualities, good stress
relaxation resistance, good wear and electrical properties,
resistant to creep and organic solvents. |
Business m/c
parts, small pressure vessels, aerosol valves, coil formers,
clock and watch parts, nuclear engineering components, plumbing
systems, shoe components. |
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Polyethylene
(High Density)
HDPE
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Flexible,
translucent / waxy, weatherproof, good low temperature toughness
(to -60'C), easy to process by most methods, low cost, good
chemical resistance. |
Chemical drums,
Jerri-cans, carboys, toys, picnic ware, household and
kitchenware, cable insulation, carrier bags, food wrapping
material. |
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Polyethylene
(Low Density)
LDPE, LLDPE |
Semi-rigid,
translucent, very tough, weatherproof, good chemical resistance,
low water absorption, easily processed by most methods, low
cost.
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Squeeze
bottles, toys, carrier bags, high frequency insulation, chemical
tank linings, heavy duty sacks, general packaging, gas and water
pipes. |
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Polymeth-ylpentene
PMP
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Rigid, tough,
lightweight (density 0.83 gm/cm), chemical resistant, additives
are required for outdoor use, highly permeable to gases,
transparent crystalline material.
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Medical ware,
syringes, lamp covers, (good heat resistance), radar
applications, encapsulation, microwave food packaging |
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Poly-
phenylene
Oxide PPO
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Rigid, opaque,
good dimensional stability at high temperature and humidity
conditions, difficult to process (blended to ease injection
moulding), tough.
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Coffee pot and
washing m/c parts (where high temperature and moisture are
critical), replacement for die castings, drink vending machines,
microwave components. |
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Polystyrene (General Purpose)
GPPS
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Brittle, rigid,
transparent, low shrinkage, low cost, excellent X-ray
resistance, free from odour and taste, easy to process |
Toys and
novelties, rigid packaging, refrigerator trays and boxes,
cosmetic packs and costume jewellery, lighting diffusers, audio
cassette and CD cases. |
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Polystyrene
(High Impact)
HIPS
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Hard, rigid,
translucent, impact strength up to 7 x GPPS, other properties
similar.
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Yoghurt pots,
refrigerator linings, vending cups, bathroom cabinets, toilet
seats and tanks, closures, instrument control knobs.
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Thermosets
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Properties |
Applications |
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Unsaturated Polyester UP |
Rigid, clear,
chemical resistant, high strength, low creep, good electrical
properties, low temperature impact resistance, low cost.
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Boat hulls, building panels, lorry cabs, compressor housing,
embedding, coating. |
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Alkyds AMC |
Rigid, tough,
heat resistant, good arc and tracking resistance, good long
term, dimensional stability, fungus resistant, good colour
stability. |
Automotive
distributor caps, circuit breakers, switch gear, coloured
appliance housing. |
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Allylics DAP, DAIP, ADC |
Hard,
transparent, abrasion resistant, good electrical insulation
(even in humid conditions), good chemical/mechanical properties
and dimensional stability. |
Optical
coatings, face shields, sealants for metal castings, critical
long-term high reliability electrical parts (e.g. radomes,
connectors, circuit breakers, switches). |
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Epoxies EP
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Rigid, clear,
very tough, chemical resistant, good adhesion properties, low
curing, low shrinkage. |
Adhesives,
coatings, encapsulation, electrical components, cardiac
pacemakers, aerospace applications. |
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Furan |
Rigid, brittle,
opaque, high strength at elevated temperatures, good chemical
resistance, self extinguishing, low smoke emissions.
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Chemical plant
(competitive with stainless steel) foundry cases and moulds,
specialised insulating foams, lining of tanks, etc. for alkali
resistance. |
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Melamines
/Ure
(Aminos)
MF, UF
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Hard, opaque,
tough, scratch resistant, self extinguishing, free from taint
and odour, wide colour range, resistant to detergents and dry
cleaning solvents. |
Decorative
laminates, lighting fixtures, dinnerware, heavy duty electrical
equipment, laminating resins, surface coatings, bottle caps,
toilet seats. |
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Phenolics PF |
Hard, brittle,
opaque, good electrical and heat resistance, resistant to
deformation under load, low cost, resistant to most acids.
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Ashtrays, lamp
holders, bottle caps, saucepan handles, domestic plugs and
switches, welding tongs and electrical iron parts. |
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Polyurethane
cast elastomers
(EP) |
Elastic,
abrasion and chemical resistant, impervious to gases, can be
produced in a wide range of hardness. |
Printing
rollers, solid tyres, wheels, shoe heels, car bumpers,
(particularly suited to low quantity production runs). |
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Vinyl Esters |
Rigid,
translucent, good corrosion resistance, low viscosity.
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Chemical tanks,
ducts, piping, process equipment (particularly in corrosive
chemical environments). |
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