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In-house developments have enabled us to manufacture PTFE in plate, sheet, tube and rod shapes.
Highlights
Excellent chemical resistance
Suitable for applications involving high temperature fluctuations between minus 200°C and plus 260°C.
Optimal non-adhesive behavior
Optimally suitable for cleansing
Very good electrical insulation properties
Flow rate for air and gases from 1 to 1000 ml/s*cm_ achievable
Water hold-back value (e.g. the pressure required to push water through the pores)
Porous PTFE is “whiter” than any other material
Typical Applications
Diaphragms
Pressure compensation seals in headlights, horns and airbags
Reflectors for spectrometers
Projection screens
Sensors
Separators
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Highlights
Increase of E-module and tear resistance
Reduction of cold flow
Low thermal expansion coefficient
Low permeation
Improved adhesion
PTFE-sheets combined with fabrics, fibers, metal foils, glass and elastomer films
Typical Applications
Linings for chemical industry requirements
High-strength compounds (XYMON)
Guides and bearings
Composite membranes
Base materials for printed circuit boards
Conveyor belts
Customer-specific composites
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Tapes are manufactured to the highest standard using high temperature silicone or acrylic adhesives. Combining premium backing materials with high performance adhesives, we manufacture some of the most specialized tapes available. Many of our own PTFE coated fiberglass fabrics are made bondable on one side and are converted into adhesive tapes. A number of our tapes enter service in diverse industries including: Packaging, Food Processing, Aerospace, Electrical / Electronics, Molding etc.
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By combining the properties of PTFE and glass cloth, elongation at break, pressure resistance and flexibility could be improved significantly.
The production of PTFE composite compounds enables decisive improvements in terms of PTFE and carrier compound properties. The possibility of combining and mixing PTFE with different materials leads to new approaches in resolving material issues. For example, PTFE can be firmly bonded with metals, glass cloth and similar materials.
Highlights
outstanding chemical resistance
suitable for high temperature ranges between –200°C to 260°C
very good anti-adhesive behavior
good electric properties
good mechanical properties
Typical Applications
protective covers,
corrosion protection
bearing contact surfaces (protection against abrasion and friction)
electrical insulation
linings for engines and generators
weather protection (radomes) for transmitting stations
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POLYTETRAFLON® - semi-finished products
Polytetra stocks a variety of semi-finished fluoroplastics and produces finished parts according drawing.
Materials:
The following semi-finished products are available:
PTFE virginal
PTFE Compounds
TFM virginal
TFM Compounds
PFA und MFA
FEP
PCTFE
ECTFE
PVDF
Shapes of semi-finished products :
Panels, also available in special sizes
Pre-cut panels
Ground panels
Panels etched on one side
Foils, also pre-cut films
Foils, etched on one or both sides
Foils, etched and provided with adhesive agent as preparation for vulcanisation
Foils and films, self adhesive on one side (SKAP)
Pressed rods and tubes
Extruded rods and tubes
Ground rods and tubes
Isostatically pressed blanks
Qualities:
On demand we supply you with those qualities of semi-finished products that are most specific to your respective field of application. In this context we consider the powder quality, the manufacturing method as well as additional treatments (tempering, repressing etc.)
Our strong points :
PTFE and TFM Compounds
RULON®
applied consulting services
proprietary fabrication with well-equipped mechanical prodcution
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PTFE
Virgin and filled Ptfe rods, sheets,
moulded tubes, tapes, even in special
materials for high prestations (Diflon D).
Available in stock finished products.
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PTFE diaphragms are used in metering devices, the pharmaceutical and food industries, in pumps for the chemical industry and in painting technology. Diaphragms are available made of PTFE, PTFE-elastomer-composites or as multi-layered PTFE-diaphragms.
Highlights
virtually universal chemical resistance
high temperature range between –60°C and +200°C
high service life
Typical Applications
metering pumps
chemical technology
valves
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All SENTINEL® Filter Bags utilize the patented SENTINEL® seal. It's all plastic, polypropylene, polyester or Santoprene® construction, provides a flexible, chemically resistant seal which adapts to any filter housing. This unique design employs a pressure activated sealing lip which responds to increases in differential pressure. As the pressure increases, the seal of the ring improves, insuring by-pass free performance over all ranges of pressure, temperature and micron rating. The elevated bag handles make removal of the bag from the vessel quick and easy. When a SENTINEL® Filter Bag is installed into an Eaton Filtration Housing, the ring snaps into place, holding its position until the housing is closed.
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Broad chemical resistance, except against liquid alkaline metals and fluorine gas under pressure. Good sliding qualities, low wear and tear. Temperature range from -200 °C to +260°C. PTFE has hardness of approximately 95 °Shore and installing these O-rings in split grooves is recommended or alternatively the use slit or sheathed types due to the low elasticity.
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All SENTINEL® Filter Bags utilize the patented SENTINEL® seal. It's all plastic, polypropylene, polyester or Santoprene® construction, provides a flexible, chemically resistant seal which adapts to any filter housing. This unique design employs a pressure activated sealing lip which responds to increases in differential pressure. As the pressure increases, the seal of the ring improves, insuring by-pass free performance over all ranges of pressure, temperature and micron rating. The elevated bag handles make removal of the bag from the vessel quick and easy. When a SENTINEL® Filter Bag is installed into an Eaton Filtration Housing, the ring snaps into place, holding its position until the housing is closed.
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Broad chemical resistance, except against liquid alkaline metals and fluorine gas under pressure. Good sliding qualities, low wear and tear. Temperature range from -200 °C to +260°C. PTFE has hardness of approximately 95 °Shore and installing these O-rings in split grooves is recommended or alternatively the use slit or sheathed types due to the low elasticity.
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OmniLip™ and DynaLip© seals are PTFE-based rotary lip seals. These seals are used in pumps and compressors, engine crankshafts, robotics, diesel engines, pharmaceutical and food processing, blowers, mixers, heavy industry and steel mill applications.
>Sizes to DIN3760 dimensions.
>Low friction, long life.
>Up to 3 meter diameter.
>To suit specific industry needs.
>Broad chemical compatibility.
>Temperature: -50°C up to +200°C.
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OmniSeal® seals are high performance spring energized PTFE seals. These are capable of handling extreme service conditions and are used in a variety of applications, such on high temperature / high pressure (HTHP) Ball Valves, rocket and jet engines, robotics, racing cars, oil and gas applications and others.
>Temperature: -260°C to +300°C.
>Pressure: Vacuum to +10,000 bar.
>Surface speeds: +40m/s.
>Low and controlled friction, low wear.
>Broad chemical compatibility.
>High pressure and temperature combinations.
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Flexiline
Ptfe lined metalic flexible houses with
or without braid: smooth, convoluted,
corrugated and antistatic.
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STENFLEX hoses provide safe connections whether in process technology, offshore applications, mechanical engineering, building engineering or as part of conveying systems. We specialize in versatility. Using rubber, stainless steel and PTFE: we provide the right hose connection for each application.
Functions at a glance:
- flex in almost any length of hose
- high absorption of lateral and angular motion
- compensate for imprecise assembly
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PTFE-tubes are preferably used by the chemical, electrical and mechanical industries with a continually rising trend in medical technology applications as well.
Highlights
outstanding chemical resistance against aggressive media and hot vapors
suitable for use at minus 200°C (with moderate mechanical stress)
unfilled PTFE is physiologically neutral (FDA-approved)
Typical Applications
syringes, catheters, vials and endoscopic devices for medical applications (single- or multi-lumen)
degasification stations for liquid chromatography
lining for sensors and fill level measuring devices
linings for Bowden cables
linings for electric heating elements in electro-plating and micro-electronics technologies
insulations for high-voltage cables
feeder hoses for spray-painting lines
feeder hoses for foodstuffs, oils, resins, acids, alcalis, gases and solvents
covers for fuser and feeder rollers
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Hoses
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