KHP Engineering Plastics

We develop individual and innovative plastic solutions for use in engineering, medical technology, electrical engineering, extraction technology, aerospace, the chemical industry and many other fields.

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High Performance Plastics


PEEK (PolyEtherEtherKetone)

This semi crystalline high quality plastic has the following characteristics:

  • High mechanical strength, rigidity, and creep strength, even at high temperatures
  • Very high maximum allowable service temperature (in air constantly up to 250°C, short periods up to 310°C.
  • Excellent chemical and hydrolysis resistance
  • Very high dimensional stability
  • Outstanding UV resistance
  • Low smoke development and inherent flame retardancy
  • Excellent restistance to high energy radiation (Gamma rays and X-rays)
  • Excellent wear resistance and good anti-friction properties

PEEK, standard (black)

This non-reinforced polyetheretherketone provides the highest impact resistance and durability of all types of PEEK


Properties:
  • Physiologically safe (FDA and EU approved)
  • Good electrical insulation and dielectric properties
  • Very good machinability
Applications:
  • Vehicle construction: Parts for car engines, bearing cages, sealing elements, and bearing shells
  • Medical engineering, gas analytical apparatus casing
  • Food industry: Wipers and scrapers
  • Other uses: Piping for aggressive or hot media, parts for nuclear power plants
  • Aircraft construction and astronautics

PEEK-HPV / PEEK PVX

PEEK-HPV (also PEEK mod.) Is a material modified with carbon, PTFE and graphite


Properties:
  • Low friction coefficient
  • High wear resistance
  • High PV threshold value
Applications:
  • Bearing bushes
  • Sliding bearings with high wear and friction load

PEEK GF 30


Properties:
  • Better dimensional stability than unfilled PEEK
  • High rigidity and creep strength
  • Usable to a limited extent as plain bearing material (abrasion from the other surface)
Applications:
  • Components with statistically higher durable load at higher temperatures

PEEK CA 30 / PEEK CF 30


Properties:
  • Even higher mechanical strength, rigidity and creep strength than PEEK GF 30
  • Optimal wear resistance
  • High thermal conductivity (0.92 W/m.K)
Applications:
  • Wearing rings for pumps

PPS-HPV (PolyPhenylene Sulphide) / Techtron

PPS-HPV provides an economical alternative to other high performance plastics for challenging high tech applications where engineering plastics are not suitable.


Properties:
  • High mechanical strength, rigidity, and hardness
  • Very high maximum allowable service temperature (in air constantly up to 220°C, short periods up to 260°C.
  • Excellent wear resistance even at high temperatures
  • Low friction coefficient
  • Good creep strength
  • Excellent chemical and hydrolysis resistance
  • Outstanding dimensional stability
Modifications:
PPS + 40% fibreglass = extremely hard, dimensionally stable material with an elasticity module of 14.500 N/mm².

Applications:
  • Parts for chemical processing plants
  • Insulating parts for high temperatures
  • Components for drying ovens and food preparation ovens

PPSU (PolyPhenylenSUlfone)
PEI (PolyEtherImide)
PSU (PolySUlfone)


Shared properties:

  • High mechanical strength, rigidity, and creep strength over a wide range of temperatures
  • Excellent hydrolysis resistance (repeated steam sterilisation)
  • Physiologically safe
  • Good electrical insulation properties
  • Very good resistance to energy radiation

PPSU (PolyPhenylenSUlfone)


Properties:
  • High maximum allowable service temperature (in air constantly up to 180°C, short periods up to 210°C)
  • Better impact resistance and outstanding hydrolysis resistance
  • Biocompatibility USP Standard grade VI
Applications:
  • Mechanical and pharmaceutical industries
  • Insulating parts and connectors

PEI (PolyEtherImide)


Properties:
  • High maximum allowable service temperature in air (constantly up to 170°C, short periods up to 200°C.
  • Excellent thermal, mechanical and electrical properties
  • Outstanding natural flame retardancy
Modifications:
  • PEI + FG = increased hardness and rigidity
  • PEI + anti-static agent (® Esd 410°C) = statistically efferent
Applications:
  • Electrical insulators and circuit boards
  • Bearing components with high rigidity at high temperatures<0}
  • Switch and relay sockets

PSU (PolySUlfone)


Properties:
  • High maximum allowable service temperature in air (constantly up to 150°C, short periods up to 180°C.
  • High ionic cleanliness
Applications:
  • Electrical engineering coil bodies, circuit boards, insulator muffs check and switch components
  • Components for milking machines, filter panels, and pipes in process engineering
  • Plumbing
  • Sterilisable parts of medical equipment

Torlon® PAI (PolyAmidImide)

Groups of high performance plastics with excellent combinations of mechanical strength and dimension stabilit.


Properties:
  • Operation temperatures in air: 250°C constantly and up to 270°C for short periods
  • High mechanical strength, rigidity, and creep strength over a wide range of temperatures
  • Excellent friction and wear load
  • Outstanding UV resistance
  • Very good resistance to energy radiation
Divided in to 6 types:


PAI 4203 + 4503


Properties:
  • Unfilled amorphous thermoplastic
  • The best durability and impact resistance of all PAI types
Applications:
  • Wear applications: Bearings, sliding elements, sealing elements, guard plates
  • Other uses: Gears, astronautic and aircraft construction components, insulating parts

PAI 4301 + 4501


Properties:
  • PAI + Graphite + PTFE produces a higher wear resistance and low coefficient of sliding friction (minimal Stick Slip abnormality)
Applications:
  • Dry running sliding elements
  • Seals, bearing cages

PAI 5530


Properties:
  • PAI + 30% fibreglass
Applications:
  • Components with statistically higher durable load at higher temperatures

PAI ESD 520HR (Semitron®)


Properties:
  • Combination of static ineffability (ESD) with higher mechanical strength and temperature resistance
  • Dialectic strength under high tension (>100 V)
  • while carbon fibre filled materials become conductive under low pressure, Semitron® ESd 520HR keeps its electrical qualities under tensions from 100 to 1000 V
Applications:
  • Intakes and fittings for chip tester equipment
  • Conveyance systems in electrical engineering

Celazole® PBI (PolyBenzImidazole)

Represents the best high precision technical plastic.


Properties:
  • Extremely high maximum allowable service temperature (in air constantly up to 310°C, short periods up to 500°C.
  • Excellent retention of mechanical strength, rigidity, and creep strength over a wide range of temperatures
  • Very good friction and wear load
  • Low thermal coefficient of lineal expansion
  • excellence resistance to energy radiation
  • Good insulating properties
Applications:
  • Complicated components in the semiconductor, nuclear and aeronautics industries

Vespel® PI (PolyImide)


Properties:
  • High mechanical strength, rigidity, and creep strength over a wide range of temperatures
  • Very high wear load and low friction
  • High dimensional stability for components
  • Good electrical isolation properties
  • Very good resistance to gamma rays
Modifications:
  • PI SP-1 (unfilled) = very good physical properties and electrical and thermal insulation
  • PI SP-21 (15% graphite additive) = Reduction of wear and friction coefficients
  • PI SP-22 (40% Graphite addition) = Reduction of wear and friction coefficients, improved shape and dimensional stability, lower thermal coefficient of thermal expansion
  • PI SP-211 (15% Graphite and 10% PTFE) = minimal friction coefficient, low wear rate up to 150°C
  • PI SP-3 (15% MoS2) = for seals and bearings in a vacuum or dry conditions
Applications:
  • Seals, valve seats
  • Guiding rollers, sliding bearings

FLUORPOLYMERS


PTFE (PolyTetraFluorEthylene)


Properties:
  • Very good sliding properties (lowest friction coefficient of all solid materials)
  • Can be used in a wide range of temperatures (-200°C to +260°C)
  • Very good chemical resistance
  • Hydrolysis and superheated steam resistance
  • No moisture absorption
  • Physiologically safe (BGA and FDA approved)
  • Very good UV resistance
  • Very good damping features
  • Good electrical insulation strength(unfilled type)
  • Moderate mechanical stability
Modifications:
  • PTEE + Fibreglass = increased creep strength
  • PTEE + carbon = wear reduction, antistatic
  • PTFE + bronze = increased creep strength, wear resistance and thermal conductivity
  • PTFE + Graphite = increased abrasion resistance and dry running properties of sliding bearings
  • PTFE + Mica (Fluorosint® 207) = higher mechanical bearing capacity and lower coefficient of linear expansion, FDA approved
  • PTFE + Mica (Fluorosint® 500) = higher mechanical bearing capacity and lower coefficient of linear expansion
  • PTFE + antistatic agent (Semitron® ESd 500HR) = statically efferent
Applications:
  • Chemical industry: Pipes, valves, coatings, membranes
  • Mechanical engineering: Wipers, scrapers, piston rings, seals, friction bearings
  • Electrical engineering: Coil bodies, insulation components

PVDF (PolyVinylDienFluoride)


Properties:
  • Higher mechanical stability than PTFE
  • High chemical resistance
  • Sterilisation and hydrolysis resistant
  • High upper continuous operating temperature in air (150°C)
  • No moisture absorption
  • BGA and FDA approved
  • Very good UV and weather resistance
  • Flame resistant, self-extinguishing
Applications:
  • Mechanical engineering: Heat exchangers, pump components, valves, pipes, fittings
  • Vehicle construction: Gears, cams, bearing races, bearings
  • Electrical engineering: Casing, formed components for nshifts, insulators
  • Apparatus for the chemical, petroleum, metallurgical, pharmaceutical, food, nuclear and paper manufacturing industries

PCTFE (PolyChlorTriFluorEthylene)


Properties:
  • Highest rigidity and strength of all fluoroplastics
  • Suitable for use in refrigeration technology (-255°C to + 155°C)
  • Higher chemical resistance than PVDF
  • Very high ionic purity
  • Scratch proof and hard
  • One of the best insulators
Applications:
  • Laboratory equipment
  • Coil bodies
  • Seals for refrigeration technology
  • Fittings
  • Pipes
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