Henkel E32

Henkel E32 Datasheet
  • Description for Henkel E32

    A two-part, toughened epoxy adhesive that cures at room temperature. Resistant to a wide range of chemical and environmental conditions. Has excellent impact resistance and outstanding electrical insulation properties. The adhesive will bond well to almost all types of metal surfaces including painted or epoxy coated metal surfaces.

    *See Terms of Use Below

    Brand Bondmaster
    Application Type Bond, Maintain, Repair
    1 Part or 2 Part 2 Part
    Material Form Soft paste
    Substrate Aluminum, Acrylic, Phenolic, Glass, Metals, Zinc Dichromate, Neoprene, ABS, Polycarbonate, PVC, Nitrile Rubber, Galvanized Steel, Steel, Stainless Steel, Wood, Composites, Copper, Galvanized Steel, Ferrite, Zinc Plated, Elastomers, Plastics, Rigid Plastic
    Industry DC motors, Motors, Electrical, Sensors, Magnet
    Manufacturer Henkel
    Chemistry Epoxy, Hardener, Toughened polymer, Resin
    Cure Method Part A/Part B
    Cure Temperature (°C) 23, 60
    Cure Time (min) 4,320, 60
    Viscosity (cPs) 80,000
    Color Gray
    Chemical Resistance 0.0001 N NaOH, 0.1 N HCL, Acetone, Antifreeze, ATF Oil, Freon, Gasoline, Heptane, MEK, Motor Oil, Salt Spray, Toluene, Transmission Fluid, Water
    High Temperature Resistance (°C) 80, 200
    Low Temperature Resistance (°C) -55
  • Technical Data for Henkel E32

    Overview
    Specifications
    Cure Specs
    Cure Temperature (°C) 23, 60
    Cure Time (min) 4,320, 60
    Viscosity (cPs) 80,000
    Fixture or Handling Strength Time (min) 480 Test Method
    Work / Pot Time (min) 1,440, 30 Test Method
    Mix Ratio 1:1 (by volume), 100:80
    Bond Strength
    Structural/Load-Bearing Structural
    Peel Strength (piw) 15 to 20 (lb / linear inch) Test Method
    Shear Strength (psi) 3,000 to 3,500, 2,500 to 3,000, 3,000 to 3,500, 2,000, 2,000, 2,000, 2,000, 250, 200 to 300, 400, 200 to 300, 650, 100 to 200 Test Method
    Impact Strength (psi) 15 to 18 (ft-lb / in2) Test Method
    Material Resistance
    Chemical Resistance 0.0001 N NaOH, 0.1 N HCL, Acetone, Antifreeze, ATF Oil, Freon, Gasoline, Heptane, MEK, Motor Oil, Salt Spray, Toluene, Transmission Fluid, Water
    Environmental Resistance Environmental durability
    High Temperature Resistance (°C) 80, 200 Test Method
    Impact Resistance Excellent impact resistance
    Low Temperature Resistance (°C) -55
    Conductivity
    Dissipation Factor 0.00200 to 0.02000
    Dielectric Strength (V/mil) Outstanding, 300 to 450
    Dielectric Constant 3.50 to 6.00
    Thermal Conductivity (W/m°K) 0.20 to 2.00
    Volume Resistivity (O) >1e14 (ohms/cm)
    Hardness
    Shore D Hardness 70, 65 Test Method
    Flexibility Inert
    Other Properties
    Specific Gravity 1.220
    Coefficient of Thermal Expansion (CTE) 20e-6 to 65e-6 (m/m/°C)
    Flash Point (°F) >199.4
    % Solids (%) 100
    Business Information
    Shelf Life Details When stored in the original unopened containers at 5-25°C, the shelf life of this product is 36 months from the date of manufacture.
    Shelf Life Temperature (°F) 41 to 81
    Shelf Life Type From date of manufacture.
    Shelf Life (mon) 36
    Not Good For
    Don't Use With Delrin, Polyethylene, Polyproplene, Polyurethane, Acetal
  • Best Practices for Henkel E32

    *See Terms of Use Below

    1. Surface Preparation

      For optimum bond strength on metal parts, the surface should be washed with a solvent or cleansing solution, abraded with an abrasive pad, and then rinsed with a solvent or cleansing solution. Glass surfaces should be cleaned with a commercial glass cleaner before bonding. Painted surfaces and plastic substrates should be abraded lightly and wiped clean.

    2. Application

      Thoroughly mix the resin and the hardener in a 1:1 ratio by weight or volume, taking care not to introduce excess entrapped air into the bulk material.

      The optimum method of mixing is accomplished via in-line static mixers with a minimum of 18 mixing elements.

      Once mixed thoroughly, to a uniform gray color

      i.e. no visible streaks, apply a bead of adhesive to one of the bonding surfaces.

      Mate the two substrates together and clamp the assembly for 6 hours until handling strength is achieved.

      Full cure is obtained within 24 hours of adhesive application at room temperature, 25°C (77°F).

      Note: The curing temperature may be raised to increase the cure rate of the adhesive.

    3. Mixing

      Thoroughly mix Resin (A) and Hardener(B)in the correct proportion. Do not mix more material than can be applied during the 'usable life' of the product. Surfaces should be clean, dry and grease free before applying the adhesive. Where maximum strength is required then the surfaces should be shot blasted, or lightly abraded, in the presence of Loctite SIP.

      Ideally Loctite E32 should be cured at temperatures above 15°C. Lower temperatures result in lower strength. The unmixed material should not be refrigerated.

      Loctite E32 is approved to the Waters Byelaws Scheme as being suitable for contact with potable (drinking) water.

    4. Clean-Up

      Unreacted resin & hardener can be cleaned using acetone, isopropanol or methyl ethyl ketone (MEK).

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Time Temperature
480 min 23°C
Work / Pot Time Test Methods
Work / Pot Time Temperature
1,440 min 23°C
30 min 60°C
Shear Strength Test Methods
Shear Strength Type Substrate Test Temperature Test Method
3,000 to 3,500 psi Lap shear strength Steel/Steel 25°C ASTM D-1002
2,500 to 3,000 psi Lap shear strength Aluminum/Aluminum 25°C ASTM D-1002
3,000 to 3,500 psi Lap shear strength Stainless steel/Stainless steel 25°C ASTM D-1002
2,000 psi Lap shear strength Ferrite/Steel 25°C ASTM D-1002, Substrate Failure
2,000 psi Lap shear strength Ferrite/Zinc Dichromate 25°C ASTM D1002, Substrate Failure
2,000 psi Lap shear strength Ferrite/Galvanized steel 25°C ASTM D-1002, Substrate Failure
2,000 psi Lap shear strength Ferrite/Zinc plated 25°C ASTM D-1002, Substrate Failure
250 psi Lap shear strength Glass/Glass 25°C ASTM D-1002, Substrate Failure
200 to 300 psi Lap shear strength Phenolic/Phenolic 25°C ASTM D-1002
400 psi Lap shear strength PVC/PVC 25°C ASTM D-1002, Substrate Failure
200 to 300 psi Lap shear strength Polycarbonate/Polycarbonate 25°C ASTM D-1002
650 psi Lap shear strength ABS/ABS 25°C ASTM D1002, Substrate Failure
100 to 200 psi Lap shear strength Acrylic/Acrylic 25°C ASTM D-1002
Peel Strength Test Methods
Peel Strength Substrate Test Method
15 to 20 (lb / linear inch) Steel/Steel ASTM 1876
Impact Strength Test Methods
Impact Strength Substrate Test Method
15 to 18 (ft-lb / in2) Steel/Steel ASTM 950
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
80°C
200°C May be endured for short periods providing the adhesive is not unduly stressed.
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method Hardness Temperature
70 ASTM D 2240 25°C
65 ASTM D 2240 50°C