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    1. Home
    2. Materials
    3. Ekonol® Polyester Fillers for PTFE Seals & Bearings

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    Ekonol® Polyester Fillers for PTFE Seals & Bearings

    PTFE Fillers for Maximum Thermal Stability & Wear Resistance


    Ekonol® aromatic polyester fillers are a key component in extending the life of parts & components made from PTFE compounds. The exceptional properties of Ekonol PTFE fillers provide maximum wear resistance, dimensional stability & corrosion resistance for molded or extruded parts in demanding services.

    The highly crystalline Ekonol polymer yields unparalleled thermal stability along with good creep resistance & excellent load-bearing capacity. These features make Ekonol polyester PTFE fillers the ideal filler for PTFE compounds to increase service life of bearings, seals, rotors & related parts.

    Whereas glass fillers can be abrasive, Ekonol fillers’ round particle shape will not wear soft metal surfaces. Additionally, Ekonol/PTFE blends resist self-wear better than other PTFE compositions, with good lubricity on molded parts.

    Ekonol® Polyester Fillers for PTFE Seals & Bearings | Saint-Gobain Coating Solutions

    Two Formulations for Maximum Wear-Resistant Performance

    Saint-Gobain varies particle size distribution & apparent density to deliver two grades of Ekonol polyester PTFE fillers. Saint-Gobain also can work with you to the select the proper grade of Ekonol PTFE filler to meet your specific application.

    • T101 Ekonol® polyester PTFE filler is a tan-colored powder with a highly-crystalline structure for use in bearing applications with load levels up to 25%, making it ideal for bearings & other large moving parts.
    • M102A Ekonol® polyester PTFE filler is a light tan/whitish powder designed for seal applications where creep is an issue.
       
    • T101
    • M102A
    • Case Studies

    Ekonol® T101 Polyester PTFE Filler for Bearing Applications

    Ekonol T101 aromatic polyester filler is a tan powder additive that, when combined with PTFE, produces a composite material with excellent temperature and wear resistance for a wide range of mating surfaces in demanding services. This filler extends the life of bearings and other large moving parts that may contain silica or alumina.

    The highly crystalline structure of the Ekonol T101 polymer was created to deliver maximum dimensional, chemical & thermal stability. In addition, the non-abrasive character of Ekonol T101 polyester enhances the frictional performance to prevent galling of softer mating surfaces better than other PTFE fillers.

     

      Ekonol® SDS
      Ekonol® T101 Polyester PTFE Fillers (TDS)

    Ekonol® T101 Polyester PTFE Filler for Bearing Applications | Saint-Gobain Coating Solutions

     

    Typical Properties of Ekonol® T101 Polyester PTFE Filler

     

     Physical Properties Thermal Properties
    Appearance  Tan - Brown Powder

     

     

    Thermal Stability
    from RT to750° F
    in air with a 1 hour
    hold at 750° F.

     

     

    Weight Loss
    per Hour
    3.5% maximum

    Form  Highly Crystalline
    Particle Size  Screen Analysis:
      + 170 5 % max
      + 230 20 % max
      + 325 50-85 %
    Average Particle Size 60 to 75 microns (0.007-0.015 mm) Decomposition Temperature Above 800° F (426.7° C)
    Apparent Density 39.95 lb/ft3 (0.64 g/cm3) Maximum Recommended Intermittent 600 - 700° F  (316 - 371°C)
        Service Temperature Continuous 500 - 600° F (260 - 316°C)

     

     

    Ekonol® M102A Polyester PTFE Filler for Seal Applications

    Ekonol M102A aromatic polyester filler is a light tan/white powder additive that, when combined with PTFE, produces composite materials with excellent temperature and wear resistance for a wide range of mating surfaces in demanding services.

    Saint-Gobain M102A is a polyester powder comprised of smaller particle sizes that are ideal for thinner products such as seals. When added to PTFE, Ekonol M102A filler imparts maximum dimensional, chemical & thermal stability. In addition, the non-abrasive character of Ekonol M102A filler enhances the frictional performance to prevent galling of softer mating surfaces better than other PTFE filler.

     

      Ekonol® SDS
      Ekonol® M102A Polyester PTFE Fillers (TDS)

     

     

    Ekonol® M102A Polyester PTFE Filler for Seal Applications  | Saint-Gobain Coating Solutions

     

    Typical Properties of Ekonol® M102A Polyester PTFE Filler

     Physical Properties Thermal Properties
    Appearance  Tan - White Powder

     

    Thermal Stability
    from RT to 750°
    F (399°C) in air
    with a 1 hour
    hold at 750° F
    (399°C).

     

     

    Weight Loss
    per Hour
    3.5% maximum

    Form  Highly Crystalline
    Particle Size  Screen Analysis:
      +400 2% max
      -400 98-100%
    Average Particle Size 7 to 15 microns (0.007-0.015 mm) Decomposition Temperature Above 800° F (426.7° C)
    Apparent Density 11.415 lb/ft3 0.183 g/cm3 Maximum Recommended Intermittent 600 - 700° F  (316-371°C)
        Service Temperature Continuous 500 - 600° F (260-316°C)

     

     

    Case Studies Demonstrate Ekonol® Polyester PTFE Filler Properties

    • Relative Wear vs. % Ekonol® Filler in PTFE (CS)

        Case Study #1
    • Coefficient of Friction vs. % Ekonol® Filler in PTFE (CS)

        Case Study #2
    • Effect of Temperature on Wear Properties - Ekonol® Fillers for PTFE (CS)

        Case Study #3
    • Limiting PV for 25% Ekonol® Filler / PTFE (CS)

        Case Study #4
    • Wear Rate for 25% Ekonol® Filler / PTFE and Polyimide-Filled PTFE (CS)

        Case Study #5
    • Frictional Properties of 25% Ekonol® Filler / PTFE in Various Environments (CS)

        Case Study #6
    • K Factors for 25% Ekonol® Filler / PTFE Running Against Various Metal Surfaces (CS)

        Case Study #7
    • Ekonol® PTFE Fillers -- Typical Electrical Properties (CS)

        Case Study #8
    • Ekonol® PTFE Fillers -- Typical Properties (CS)

        Case Study #9
    • Ekonol® PTFE Fillers -- Typical Chemical Resistance Properties (CS)

        Case Study #10

     

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