3M Scotch-Weld Epoxy Adhesive 1469 Datasheet 3M Scotch-Weld Epoxy Adhesive 1469

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  • Description for 3M Scotch-Weld Epoxy Adhesive 1469

    One-part • 100% solids • Flowable Syrup • Liquid • Adhesive • Heat cure • High strength • White to Cream • Solvent Resistance.<br/>

    *See Terms of Use Below

    Brand Scotch-weld
    Chemical Resistance Salt spray, Chemical Resistance: Solvent
    Application Type Bond
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Aluminum
    Manufacturer 3M
    Chemistry No volatile, None, Epoxy: Modified Epoxy Resin
    Application Method Trowel, Knife coating
    Cure Method Heat cure
    Cure Temperature (°C) 138 to 149, 149 to 232, 176 to 178
    Cure Time (min) 119 to 121
    Viscosity (cPs) 40,000 to 80,000, Flowable Syrup
    Color White to Cream, White to Cream
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -57
    Density (g/cm³) 9.8 to 10.2 (weight (lbs/gal))
    Key Specifications Mil-Spec (United States Military Standard): MMM-A-132: MMM-A-132 Type II, Class 3, Group 4

  • Technical Data for 3M Scotch-Weld Epoxy Adhesive 1469

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    Overview
    • Chemical Resistance
      • Chemical Resistance - Salt spray
      • Chemical Resistance : Relative Solvent Resistance - Solvent
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid
    • Substrate
    • Chemistry
      • Solvent-Free - None
      • Epoxy : Modified Epoxy - Modified Epoxy Resin
      • Other - No volatile
    • Application Method
      • Dispenser - High pressure injection, Pump
      • Roll - Roller coating
      • Spatula/Trowel - Trowel, Knife coating
    • Cure Method
      • Heat - Heat cure
    • Color
      • Off-White - White to Cream
      • White - White to Cream
    • Key Specifications
      • Mil-Spec (United States Military Standard) : MMM-A-132 : Type II, Class 3, Group 4 - MMM-A-132 Type II, Class 3, Group 4
    • Brand
      • Scotch-weld
    Specifications
    Cure Specs
    Cure Temperature (°C) 138 to 149, 149 to 232, 176 to 178 Test Method
    Cure Time (min) 119 to 121 Test Method
    Viscosity (cPs) 40,000 to 80,000, Flowable Syrup
    Bond Strength
    Structural/Load-Bearing Structural
    General Bond Strength (psi) High
    Tensile Strength (psi) 3,695, 3,633, 2,260, 3,150, 3,081, 3,025, 3,603, 2,766, 2,766, 2,659, 2,651 Test Method
    Material Resistance
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -57
    Moisture/Humidity Resistance Moisture/humidity resistance
    Other Properties
    Flash Point (°F) 220.0
    % Solids (%) 100
    Density (g/cm³) 9.8 to 10.2 (weight (lbs/gal))
    Business Information
    Shelf Life Details 3M™ Scotch-Weld™ Epoxy Adhesive 1469 has a shelf life of 15 months from the date of shipment from 3M when stored in its original unopened container at 40°F (4°C) or below. Shelf life is 24 months if stored at 0°F (-18°C) or below., 3M™ Scotch-Weld™ Epoxy Adhesive 1469 has a shelf life of 15 months from the date of shipment from 3M when stored in its original unopened container at 40°F (4°C) or below. Shelf life is 24 months if stored at 0°F (-18°C) or below.
    Shelf Life Temperature (°F) <40, 0
    Shelf Life Type Date of shipment, Shelf Life Type
    Shelf Life (mon) 15, 24

  • Best Practices for 3M Scotch-Weld Epoxy Adhesive 1469

    *See Terms of Use Below

    1. Surface Preparation

      A thoroughly cleaned, dry, grease free surface is essential for optimum performance. Cleaning methods which will produce a breakfree water film on metal surfaces are generally satisfactory. Surface preparations should be fully evaluated with the adhesive, especially if the need for resistance to specific environments is anticipated.

    2. Application

      3M™ Scotch-Weld™ Epoxy Adhesive EC-1469 can be applied by a spatula, knife coating, notched trowel, or by extruding into place. Standard equipment is available which allows pumping directly from five-gallon pails. When extruded through a Pyles-Semco cartridge (3/32" orifice 55 psi line pressure), the delivery rate at 72°F (22°C) is approximately 40 grams/ minute. A lower viscosity for ease of application can be obtained by warming Scotch-Weld EC-1469 to 100-120°F (38-49°C). Note: Scotch-Weld EC-1469 may start to thicken if held at 120°F (49°C) for more than 3 hours

    3. Curing

      Flow and Cure Initiation Temperatures: Normal flow and cure initiation temperatures for 3M™ Scotch-Weld™ Epoxy Adhesive EC-1469 are as follows: Flow Temperature: 60°F (16°C), Cure Initiation Temperature: 280-300°F (138-149°C)

      Cure Pressure: The only pressure needed during the cure of Scotch-Weld EC-1469 is that required to keep parts in alignment and to overcome distortion and thermal expansion in the adherends.

      Cure Temperature: The cure temperature may be varied from 300°F to 450°F (149°C to 232°C), depending on the materials being bonded, equipment available and bond properties desired. Scotch-Weld EC-1469 will wet the surface to which it has been applied. Heating at temperatures above 300°F (149°C) will chemically convert the adhesive into a high strength solvent-resistant bond. Cure temperatures in excess of 400°F (204°C) yield useful, but lower than optimum strengths. At these temperatures the time cycle must be determined for specific application. Bond line temperature rise rates from 2°F to 200°F (-17°C to 93°C) per minute can be used without affecting strength properties. Curing ovens must be vented to the outdoors.

      Caution: Large volumes of Scotch-Weld EC-1469, if heated rapidly at temperatures above 300°F (149°C), will exotherm and char. This will generally occur if an adhesive thickness of greater than 1/8" thick is cured.

      Cure Time: Cure time depends on the cure temperature used, methods of heat application, production limitations and bond properties required. Since no two bonding operations are exactly alike, it is suggested that a few simple experiments be conducted, varying both temperature and cure time to determine optimum conditions for the particular application.

    4. Clean-Up

      Excess adhesive and equipment may be cleaned up, prior to curing, with ketone* type solvent.

      *Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow manufacturer’s precautions and directions for use.

  • Comparable Materials for 3M Scotch-Weld Epoxy Adhesive 1469

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      Delo Dualbond OB749 is a 1-Part Low-temperature-curing Free of solvents Liquid used to Adhere PMMA, AL and LCP

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
138 to 149°C Cure Initiation
149 to 232°C
176 to 178°C
Cure Time Test Methods
Cure Time Test Method
119 to 121 min
Tensile Strength Test Methods
Tensile Strength Type Chemical Test Time Test Temperature
3,695 psi Tensile Shear 24°C
3,633 psi Tensile Shear 10 min 149°C
2,260 psi Tensile Shear 11,520 min 149°C
3,150 psi Tensile Shear 10 min -55°C
3,081 psi Tensile Shear Salt Water Spray 43,200 min 24°C
3,025 psi Tensile Shear 43,200 min 24°C
3,603 psi Tensile Shear Tap water 43,200 min 24°C
2,766 psi Tensile Shear Jp-4 Fuel 10,080 min 24°C
2,766 psi Tensile Shear Anti-icing Fluid 10,080 min 24°C
2,659 psi Tensile Shear Hydraulic oil 10,080 min 24°C
2,651 psi Type III Hydrocarbon Fluid 10,080 min -4°C