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Full Form
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Appearance
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Key properties
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Applications
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Brand Names
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Specific Gravity
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Tensile Strength (Mpa)
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Max. Service Temperature (°C)
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Young's Modulus (Mpa)
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Dielectric Constant
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Reinforcements
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PEI
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Polyetherimid
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Amber
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Strength, insulation, resistance to hydrolysis (suitable for repetitive steam sterilisation) and radiation. Stiff even at high temperatures
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Electronic industries: coils and fuses
Aerospace industries: components for antenna constructions and components for interior equipment
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Ultem
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1.27
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110
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170
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3100
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3.2
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Glass
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PAI
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Polyamide-imide
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Dark Brown
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Strength, outstanding tribological and wear performance, thermal stability
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Semiconductor industry: test sockets, electrical connectors and insulators
Aerospace: fasteners, insulators and other components
Oil and Gas: natural gas compressor components, pump components and labyrinth seals
General industrial: bearing and wear components and components that require high strength and stiffness
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Torlon
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1.42
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152
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275
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4500
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4.2
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Carbon
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PPS
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Polyphenylensulfide
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Light Brown
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Strength, resistance to high energy radiation, chemical resistance
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Electronic industry: Connectors, contact rails, heat shields, contact pressure discs and special types for semi-conductor production
Automotive industry: "under the hood", fuel and brake systems
Medical industry: Parts for surgical instruments
Mechanical engineering: Compressor and pump-parts, gears, valves, slide bearings, chain guides and base plates
Chemical industry: Valves, taps, bushings, pumps, nozzles, tubes and rollers
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Tecatron, Ryton
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1.35
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85
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200
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15000
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3.2
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Glass, PTFE
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PPSU
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Polyphenylsulfone
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Clear - made in different colours
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Resistance against high energy radiation (gamma and X-rays), resistance to hydrolysis (suitable for repetitive steam sterilisation)
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Medical industry: Test implants/adjustment bodies for hip, knee and shoulder and handles of medical devices
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Radel
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1.3
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77
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180
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2500
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3.4
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NA
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PES
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Polyethersulfone
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Dark Brown - translucent
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Strength, insulation, microwavable, resistance against high energy radiation, weldable, machinable, thermoforming
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Electrical insulation parts such as connectors
Control panel for dialysis system
Valve piston
Pump housing
Membrane for water filtration
Safety face shields
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Tecason
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1.37
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90
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180
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2700
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3.9
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Glass
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PVDF
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Polyvinylidene fluoride
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Waxy white
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Dimensional stability, resistance to chemicals, hydrolysis, UV, and radiation. Good electrical resistance. High abrasion resistance. Low wated absorption
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Chemical plant engineering with higher mechanical stress
Food and pharmaceutical industries with higher temperatures and mechanical loadings
Valves
Filter plates
Fittings
Pipelines
Coil bodies
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Kynar, Tecaflon
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1.75
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50
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140
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2100
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8
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NA
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PCTFE
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Polychlorotrifluoroethylene
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White
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Dimensionally stable, rigid, and resistant
to cold flow, very low gas permeation and outgassing, near zero moisture absorption, excellent chemical resistance, radiation resistance
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Cryogenic and chemical processing components
Seals and gaskets
Aerospace valve seats, pump parts, impellers,
diaphragms, and plugs
Laboratory instruments
Nuclear service/high radiation exposure
Liquid oxygen and liquid nitrogen valve linings
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Kel-F
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2.15
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36
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195
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1400
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2.6
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NA
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PI
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Polyimide
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Brown
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Non melting high temperature polyimide, High heat resistance, good cryogenic properties, excellent electrical insulation, good machinability, inherently flame retardant
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Automotive and aerospace - machined parts
Electronic and solar - films
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Kapton
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1.34
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116
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300
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3600
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3.8
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Graphite, MoS2, PTFE
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PEEK
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Polyetheretherketone
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Light Brown
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Strength, dimension stability, heat resistance, chemical resistance, wear resistance, light weight
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Aerospace - lightweight components for metal replacement
Electronical industry: insulators, connectors and wafer-carrier
Mechanical engineering: gear wheels, sliding elements, compressor- and pump-components, drives, bushings, valves and rollers
Automotive industry: clutch and gearbox components and turbocharger impeller
Conveyor technics: guidance, strokes, rollers, grippers, and valves
Medical industry: parts for surgical instruments and short term implants
Food industry: valves, blenders, strippers, dosing systems and kneaders
Oil- and gas industry: drill heads, sealings and sensors
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Victrex, Ketaspire
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1.3
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110
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250
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4000
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3.1
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Glass, Carbon, Graphite, PTFE
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PTFE
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Polytetrafluoroethylene
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Waxy white
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Extremely high chemical resistance, very good temperature resistance, very low coefficient of friction, low dielectric constant, flame resistance
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Aerospace - radar applications
Automotive - wear strips and bands
Chemical plant engineering (valves, pump components, fittings, hopper)
Food and pharmaceutical industries
Sliding applications under high chemical stress
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Teflon
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2.25
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25
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260
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550
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2.1
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Glass, Carbon, Bronze
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