Dow 93-006-6 Aerospace Sealant Datasheet Dow 93-006-6 Aerospace Sealant

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  • Description for Dow 93-006-6 Aerospace Sealant

    Thixotropic, prevents bi-metallic corrosion, wide service temperature range.

    Note: This material has been discontinued. Please view the Manufacturer's Recommended Replacement tab or call us at (262) 293-7970 for additional help.

    *See Terms of Use Below

    Application Type Bond, Coat, Seal, Gasketing: Formed-in-place gasket
    1 Part or 2 Part 2-Part
    Material Form Paste, Silicone elastomer
    Substrate Aluminium, Glass, Metals, Plastic, Polyester, Cork, Stainless Steel, Titanium, Phenolic, Cured silicone rubber, Epoxy, Silicone resin laminates
    Industry Aerospace, Aircraft
    Manufacturer Dow
    Chemistry Silicone elastomer
    Application Method Trowel
    Cure Method Base/Catalyst
    Cure Temperature (°C) 20 to 25, 20 to 25, 20 to 25, 232
    Cure Time (min) 2,880, 10,080, 1,440, 1,440, 10,080
    Viscosity (cPs) 800000 (mPa.s)
    Color Gray
    Density (g/cm³) 0.001

  • Technical Data for Dow 93-006-6 Aerospace Sealant

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    Overview
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Elastomer - Silicone elastomer
      • Paste
    • Substrate
    • Industry
      • Other Transportation - Aerospace
      • Aerospace
      • Aircraft
      • Industrial - Environmental sealing, Fay surface sealing
    • Chemistry
    • Application Method
      • Dispenser - Air-injected with standard equipment
      • Spatula/Trowel - Trowel
      • Other - Cast
    • Cure Method
      • 2-Part Cure - Base/Catalyst
    • Color
      • Gray
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25, 20 to 25, 20 to 25, 232 Test Method
    Cure Time (min) 2,880, 10,080, 1,440, 1,440, 10,080 Test Method
    Viscosity (cPs) 800000 (mPa.s)
    Work / Pot Time (min) 360
    Thixotropic Thixotropic
    Mix Ratio 10:1 (by volume), 10:1 (by weight)
    Bond Strength
    Shear Strength (psi) 2.4 (Mpa), 1.4 (Mpa) Test Method
    Tear Strength (piw) 4 (kN/m) Test Method
    Tensile Strength (psi) 30 (Mpa), 2.1 (Mpa) Test Method
    Hardness
    Shore A Hardness 42, 30 Test Method
    Elongation (%) 180, 160 Test Method
    Other Properties
    % Solids (%) 99
    Density (g/cm³) 0.001
    Business Information
    Shelf Life Details When stored at or below 32°C (89.6°F) in the original unopened containers, DOW CORNING 93006 Aerospace Sealant has a usable life of 12 months from the date of production.
    Shelf Life Type From the date of production
    Shelf Life (mon) 12

  • Best Practices for Dow 93-006-6 Aerospace Sealant

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    1. Surface Preparation

      DOW CORNING 93-006 Aerospace Sealant adheres well to primed surfaces of most materials used in the aerospace and aircraft industries. Typical materials include glass, cured silicone rubber, cork, phenolic, polyester, epoxy, silicone resin laminates and most metals including stainless steel, titanium and aluminum. It may not adhere well to polyethylene or certain plastics and organic materials (including rubber), which bleed or exude plasticisers. Stronger and more uniform bonds are obtained by preparing metal and plastic surfaces with DOW CORNING® 1200 Primer. For best results: Clean the surface with a chlorinated solvent (see Handling Precautions) and a slightly abrasive pad or a coarse lint-free cloth.

      Rinse cleaned surface with acetone or methyl ethyl ketone.

      Apply a thin coat of primer by dipping, brushing or spraying.

      Allow the primer to dry for at least 1 hour, according to relative humidity.

      Silicone rubber surfaces should not normally be primed, but only roughened slightly with abrasive paper and rinsed with acetone.

    2. Application

      The catalysed material can be cast, troweled or air injected with standard equipment.

    3. Mixing

      The catalyst is added in a ratio of 10 parts of base to 1 part catalyst by weight. For best results the base should be thoroughly de-aired in standard vacuum equipment for 2 hours at greater than 650mm of mercury vacuum. The catalyst may then be added to the base in an air free mixer, such as a Semco® Pressure Mixer, model S1350 or S1378. Hand mixing may also be used if, after mixing, the product is deaired in vacuum for about 30 minutes.

    4. Curing

      When using 1 catalyst, DOW CORNING 93-006 Aerospace Sealant will have a working time of 1 hour with a cure time of 10 hours. However if 6 catalyst is used, the working time will be 6 hours and the cure time 48 hours. With either catalyst, DOW CORNING 93-006 Aerospace Sealant will achieve optimum physical properties in 7 days.

  • Manufacturer's Recommended Replacement Materials

    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C
20 to 25°C Mechanical properties - 24 hours at room temperature
20 to 25°C Mechanical properties - 24 hours room temperature and 7 days 232°C (449.6°F)
232°C Mechanical properties - 24 hours room temperature and 7 days 232°C (449.6°F)
Cure Time Test Methods
Cure Time Test Method
2,880 min Cure time is defined as time required for the Durometer hardness to reach 30 points (Shore A).
10,080 min
1,440 min Mechanical properties - 24 hours at room temperature
1,440 min Mechanical properties - 24 hours room temperature and 7 days 232°C (449.6°F)
10,080 min Mechanical properties - 24 hours room temperature and 7 days 232°C (449.6°F)
Tear Strength Test Methods
Tear Strength Test Time Test Temperature
4 (kN/m) 1,440 min Room temperature
Tensile Strength Test Methods
Tensile Strength Test Time Test Temperature Test Method
30 (Mpa) 1,440 min Room temperature CTM 0137A, ASTM D412
2.1 (Mpa) 86400 (Seconds), 604800 (Seconds) Room temperature, 232 (C) CTM 0137A, ASTM D412, Mechanical properties - 24 hours room temperature and 7 days 232°C (449.6°F)
Shear Strength Test Methods
Shear Strength Type Substrate Test Time Test Temperature Test Method
2.4 (Mpa) Lap shear strength Aluminium 86,400 sec Room temperature CTM 0243, On aluminium, primed with DOW CORNING 1200 primer and air dried for 60 minutes.
1.4 (Mpa) Lap shear strength Aluminium 86400 (Seconds), 604800 (Seconds) Room temperature, 232 (C) CTM 0243, On aluminium, primed with DOW CORNING 1200 primer and air dried for 60 minutes, Mechanical properties - 24 hours room temperature and 7 days 232°C (449.6°F)
Elongation Test Methods
Elongation Test Method
180 % CTM 0137A, ASTM D412, 24 hours at room temperature, at Break
160 % CTM 0137A, ASTM D412, 24 hours room temperature and 7 days 232°C (449.6°F), at Break
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
42 CTM 0099, ASTM D2240, 24 hours at room temperature 25°C
30 CTM 0099, ASTM D2240, 24 hours room temperature and 7 days 232°C (449.6°F) 232°C