Algoflon® DF PTFE Fine Coagulated Powders

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Algoflon® DF grades are PTFE Fine Coagulated Powders produced through dispersion polymerization followed by latexes post-treatments. Algoflon® DF grades can be homo or modified PTFE polymers and may differ in MW and MWD, in modifier type, content and distribution, and morphology. Antistatic compounds are also available.

Key features

  • Chemical inertness
  • Outstanding temperature resistance
  • Outstanding heat resistance
  • Extremely low coefficient of friction
  • Outstanding release and water repellant properties
  • Optimum dielectric and insulating properties

The best choice in industries requiring:

  • Chemical inertness
  • Excellent corrosion resistance
  • Exceptional heat resistance
  • Excellent electrical properties
  • Self-lubricating
  • Self-extinguishing
  • Outstanding anti-stick and release properties
  • Excellent weathering and ageing characteristics

Processing

Algoflon® DF PTFE is a family of fine coagulated powders which are mainly transformed into final items by paste extrusion. These powders may differ in molecular weight, modifier (type, content, distribution inside the particle), and particle size: the overall reduction ratios range is 1:10 up to 1:3000.

Typical Properties

PropertyTest MethodUnitsAlgoflon® PTFE
Service temperature °C-260 to 260
Heat resistance  Stable up to 260°C
Weight loss per hour:
0.001% @ 350°C
0.01% @ 400°C
Chemical resistanceASTM D543 High inertness
Solvent resistanceASTM D543 Insoluble up to 300°C
Water absorptionASTM D570%0.0
Friction coefficientASTM D1894 Static: 0.08
Dynamic: 0.06
Thermal conductivityASTM C177W/m °C0.24
FlammabilityUL 94 V-0
Limiting oxygen indexASTM D2863%>95
Radiation resistance
to Gamma Ray
  Low:
Electrical properties unchanged
Mechanical properties decreased
Dialectric constant (ε)
@60 Hz up to 2 GHz
ASTM D150 2.1
Dissipation factor (tg ε)
@60 Hz up to 2 GHz
ASTM D150 <3*10-4
Volume resistivityASTM D257Ω cm1018

Algoflon® DF Applications

Tubing, Pressure Hoses, Pipe-Liners

Algoflon® DF PTFE powders are currently used for the production of tubing (including shrinkable and spaghetti tubing), pressure hoses (i.e. flexible and convoluted hoses) and pipe-liners

These final items are currently used for the transportation of aggressive chemicals and fuel exhibiting the excellent performance requested by a wide rage of industries such as chemical processing, automotive and aerospace.

MarketsApplications
AerospaceConductive flexible hoses for static dissipation, Flexible conduit used in aircrafts, Transport of hydraulic fluid and fuel in jet engines
ArchitecturalAutomatic painting lines
Chemical and Processing IndustryLining of metal pipes and fittings for chemical reactors and columns
Electrical, Electronics & SemiconductorsCable sheathing for electrical lines, Electrical conduits for wiring systems (e.g., wire harnesses and cable assemblies), Hermetic motor insulation
Food ProcessingFood or liquid transportation at high temperature (e.g., hot water or coffee)
Industrial & MechanicalCompressor discharge lines, Hoses for plastic molding presses, Mechanical protection
PetrochemicalTransport of aggressive chemicals and fuel, particularly at high pressure
PharmaceuticalTransfer lines of high purity fluids
TransportationWiring systems in high temperature applications and high corrosive atmospheres such as engine compartments,
Oxygen cables

Wire Insulation

Algoflon® DF offers the low friction, electrical and high temperature characteristics needed for wire insulation. The requirements for this application also include:

  • Optimum dielectric and electrical properties
  • High chemical inertness
  • High thermal stability
  • High flame resistance
  • Low smoke generation
  • High stress-crack resistance
  • Good pigment ability
  • High resistance to ageing

Electrical applications for Algoflon® DF PTFE powders include electrical primary insulation of hook-up wires, coaxial cables and interconnecting wiring for aerospace and automotive industries.

MarketsApplications
AerospaceAircraft entertainment system cables
Chemical & Processing IndustryWires used in aggressive environments and/or at high temperatures
Consumer ElectronicsHigh frequency coaxial designs for Radio Frequency (RF) and microwave markets,
Industrial lead wires for power supplies in appliances, consumer electronics and white goods,
High speed coaxial cables for data transmission
Industrial & MechanicalMotor winding,
Wires for power supplies in industrial equipment
ElectronicsInternal wiring of electronic equipment,
Coaxial cables in electronic computer circuit
TelecommunicationsAntennas and satellites in both military and commercial applications,
Coaxial cables for wireless and cellular communication systems
TransportationWiring systems in high temperature applications and high corrosive atmospheres such as engine compartments,
Oxygen cables

Mechanical & Electrical Tapes

Algoflon® DF PTFE powders are suited for applications such as thread seal tapes and electrical tapes for wrapping (i.e. primary insulation and over-cable jacketing applications).

MarketsApplications
ArchitecturalSealants for threads in household appliances and waterpipe threads
Industrial & MechanicalTapes for object wrapping to reduce friction or provide quick release properties
Electrical, Electronics & SemiconductorTapes for coils and phase insulation of motors, transformers, relays and switches
TelecommunicationsInsulation of high speed coaxial cables for data transmission

Membranes

Algoflon® DF PTFE powders are currently utilized for the manufacture of porous membranes with the porosity requested by the final application (i.e., filtration, breathable garments, wire insulation).

MarketsApplications
AerospaceInsulation of high speed coaxial cables with lighter weight
Chemical & Processing IndustryMembranes for filtration
GarmentsRecreational and industrial clothing textiles

Fibers

Fibers obtained from Algoflon® DF PTFE powders are utilized for the manufacture of filtration media with unique release properties combined with very high chemical and thermal resistance.

MarketsApplications
ArchitecturalWaterproof fabrics made of PTFE fibers for roof structures, such as domes and tents
Food ProcessingConveyor belts
Industrial & MechanicalRelease fabrics
Electrical, Electronics & SemiconductorsElectrical lacing cords
TransportationBearing made of woven fabrics

In addition, Algoflon® DF 130 was designed for the manufacture of fibers suitable for dental floss production. It exhibits very good stretchability and homogeneity of the stretched item.

Cords and Packings

Some especially designed Algoflon® DF PTFE powders can be used for the production of expanded PTFE cords and packings to be used in sealing applications.

Additive for Plastics

The high viscosity of Algoflon® DF PTFE powders at melt temperature and their ability to fibrillate improve anti-dripping properties in plastics. Resins benefiting from the anti-dripping properties of Algoflon® DF PTFE powders are ABS, polycarbonates, polyurethanes, and polystyrene.