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Material selection for plastic extrusion

Material selection for plastic extrusion

Jul 13, 2018

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We buy all our materials from the best quality sources and are always trialling new extrusion materials. View our materials selection table below to select the best material to meet your requirements.

Material Type Specific Gravity Softening Temp °C Properties Typical Uses
UPVC
(Rigid PVC extrusions)		 1.4 – 1.6 65 – 75

  • Extremely versatile

  • Wide range of colours and grades (including clear grades)

  • Indoor and outdoor use

  • Food grades available

  • Low cost

 Windows, tubes, trunking, shrouds, glazing, cladding, trims, packaging, inserts, ticketing strips, toys, point of sale, tile edge trims, crack inducers
Cellular PVC
extrusion		 0.6 – 0.9 65 – 75

  • Extremely light in weight

  • Can be produced with or without skin

  • Indoor or outdoor use

  • Low cost

  • Can be nailed

 Building and window products (i.e. cladding, skirting, architraves etc), finishing trims, wood replacement applications
PVC
(flexible PVC
extrusion)		 1.2 – 1.6 –

  • Various softness up to semi-rigid

  • Wide range of colours and grades plus clear

  • Used mainly indoors, some external use

  • Filled or unfilled grades available

  • Low cost

 Hosing, gaskets, seals, fenders, pelmets, bumpers, handrails, sleeves, straps, trims, ‘T’ barbed edging strips, water stops, medical tubing
ABS 1.0 – 1.2 85 – 105

  • Clear grades

  • Good high and low temperature performance

  • Good adhesive properties

  • Mainly internal use

  • Most grades are food approved

  • Good rigidity and chemical resistance

  • High impact, medium cost

  • Fire resistant grades available

  • Water transfer tubing

  • Cold rooms

  • Freezer cabinets

  • Toys
ASA 1.0 – 1.2 85 – 105

  • Good high and low temperature performance

  • Good UV resistance

  • Good adhesive properties

  • Good
    rigidity and chemical resistance

  • Good weather resistance

  • High
    impact, medium cost

  • Panels

  • Ventilation components

  • Automotive components

  • Marine

  • Signage
H.I.P
(Polystyrene)
Styrosun
(Outdoor grade)		 1.0 70 – 75

  • Mostly used indoors

  • Some external use

  • Good adhesive properties

  • Range of colours also clear grades available

  • Medium cost

  • Fire resistant grades available

  • Outdoor grades

  • Toys

  • Light diffusers

  • Point of sale

  • Film cores
POLYETHYLENE
High and low density		 0.97 (HD)
0.91 (LD)		 65

  • Good resistance to chemical environments

  • Used indoors and outdoors

  • Good low temperature performance

  • Low toxicity levels, low cost, tough

  • Low smoke, zero halogen grades available

 Toys, water and gas pipe, tubes, packaging, protective trims
POLYPROPYLENE
Homo-polymer and co-polymer		 0.90 90

  • Good resistance to chemical environments

  • Extremely tough but the co-polymer hinges well

  • Good high temperature performance

  • Mainly indoor but some external use

  • Low toxicity levels, LSOH grades available

  • Bio-degradable, low cost

  • Homo-polymer is clearer and stiffer

 Non load bearing hinges, toys, tubing,
protective plant and tree sleeves, oil pump tubes
PETG 1.27 75

  • Food approved

  • High clarity

  • High impact

  • Medium cost

  • UV stable grades available

 Packaging tubes, point of sale, card shelves, menu holders, electronic component carrier tubes
IMPACT ACRYLIC
STANDARD ACRYLIC		 1.20 80

  • High clarity

  • Good impact resistance

  • Medium cost

  • Good light transmission

 Point of sale, card shelves, menu holders, lighting applications
POLYCARBONATE 1.20 120

  • Good high temperature performance

  • Extremely strong

  • Wide range of grades available including U.V. stabilised and superior flame
    retardant grades

  • Clear and opaque grades availableHigher cost

  • Limited chemical resistance

  • Light diffusers, low voltage light tubes for marking and directing applications

  • Roof trims

  • Light box
PC/ABS ALLOYS 1.2 110

  • Good high temperature performance

  • Superior flame retardant properties

  • Reasonable chemical resistance

  • Electrical shrouds

  • Profiles that call for superior flame retardance
NYLON 6 1.2 85

  • Many grades available

  • Cheapest nylon

  • Good fatigue resistance

  • Some moisture pick-up

  • Low friction and wear properties

  • Automotive applications

  • Pump immersion tubes for Barrels

  • Pneumatic airline tubing for machinery, Rods, Tubing
Nylon 66 1.14 110

  • Very good chemical resistance

  • Very stiff and tough

  • Good for irradiation

  • Engineering grades

  • Low coefficient of friction

  • Low wear

  • Machined parts and articles

  • Some Profiles

  • Rods
Nylon 11 1.03 125

  • Very good chemical resistance

  • Very good high and low temperature performance

  • Very good ageing resistance

  • Good dimensional resistance

  • Good fatigue resistance

  • Very low coefficient of friction

  • Very low permeability

  • Very low moisture pick–up

  • Degree of clarity

  • Fuel, oil and gas lines

  • Air brake hosing

  • Catheters

  • Hydraulic hoses

  • Automotive

  • Textiles
Nylon 12 1.01 100

  • Huge range of grades

  • Low moisture pick-up

  • Low co-efficient of friction

  • Good dimensional stability

  • Good ageing resistance

  • Good oil resistance

  • Low specific gravity

  • Fire resistant grades

  • Cable sheathing

  • Pneumatic tubing

  • Air brake hosing
PPO/PS Blends
(Noryl and Lurynal)		 1.1 100

  • Good high temp performance

  • Good dielectric strength

  • Wide range of grades

  • Limited colours

  • Fire resistant grades

  • Good chemical resistance

  • Low smoke zero halogen grades

  • Electrical shrouds

  • Busbar covers

  • Automotive profiles
TPE
(SBS & SEBS)		 0.9 – 1.2 –

  • Wide range of grades and hardness

  • Including clear grades

  • Co-extrudes to HIPS & polypropylene

  • Replaces flexible PVC

  • Medical uses

  • Good recovery

  • Good cold set

  • Tubing, straps

  • Labels

  • Door seals
TPV
(EPDM Rubber & Polypropylene)		 1.0 125

  • Good temperature performance

  • Good range of grades & hardness

  • Goods recovery

  • Good cold set

  • Drinking water grades

  • Peristaltic pumps

  • Drinking water tubing
TPU
(Polyurethane)		 1.1 –

  • Polyether & polyester type

  • Co-extrudes to rigid PVC

  • Mainly harder grades

  • Good recovery

  • Good wear & tear properties

  • Dynamic applications

  • Good clarity

  • Fire resistant grades

  • Good tube bend grades

  • Drinking water grades

  • Pneumatic tubing

  • Medical tubing

  • Marine and underwater applications
EVA – –

  • Good recovery

  • Range of hardness

  • Good clarity

  • Crane and Railway pads

  • Gaskets, Labels, Tubing

  • Medical Tubing

  • Anti-vibration pads
MPR
(Alcryn)		 – –

  • Melt processable rubber

  • Co-extrudes to UPVC & ABS

  • Good cold set and recovery

  • Available in black and white

  • Door seals

  • Tubing

  • Co-extrusions
Acetal 1.4 105

  • Low Friction

  • High Stiffness

  • Excellent Dimensional Stability

  • Resistance to Fuels

  • Good Chemical resistance

  • Bindings

  • Rods

  • Fasteners

  • Bra Bones

  • Hood Stiffeners

  • Tubes
PBT 1.45 125

  • Good Chemical Resistance

  • Electrical Insulator

  • Low Moisture Absorption

  • Good Dimensional Stability

  • Electrical Covers

  • Motor Covers

  • Tubes

  • Automotive Parts

  • Engineering Parts

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Material selection for plastic extrusion

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