Bostik 7522 High Performance Epoxy Datasheet Bostik 7522 High Performance Epoxy

Information provided by Gluespec
  • Description for Bostik 7522 High Performance Epoxy

    A two-part structural, adhesive system for applications that require high peel and high shear strengths. With excellent adhesion to rubber, plastics, wood and metal, it has good shock and impact resistance.

    *See Terms of Use Below

    Chemical Resistance Good Alcohol, Chemical Resistance: Good Solvents, Chemical Resistance: Good Solvents Chlorinated, Chemical Resistance: Good Inorganic Acids, Good Alkalis, Chemical Resistance: Good Hydraulics Acids
    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Ceramics, Metal, Plastics, Rubber, Steel, Wood
    Manufacturer Bostik
    Chemistry Epoxy
    Cure Method Resin/Hardener
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 2,880 to 4,320, 1,440, 2,880, 4,320
    Viscosity (cPs) 11,000
    Color Clear, Translucent
    High Temperature Resistance (°C) 99
    Low Temperature Resistance (°C) -51
    Volume Resistivity (O) 10(12) (ohm-cm)
    Key Specifications DOD (U.S. Department of Defense): Meets DOD A 82720 (1) specifications
  • Technical Data for Bostik 7522 High Performance Epoxy

    Overview
    • Chemical Resistance
      • Chemical Resistance - Good Alkalis, Good Alcohol
      • Chemical Resistance : Relative Solvent Resistance - Good Solvents, Good Solvents Chlorinated
      • Chemical Resistance : Acid Resistance - Good Inorganic Acids, Good Hydraulics Acids
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Liquid
    • Substrate
    • Chemistry
    • Application Method
      • Dispenser - dual barrel syringe
    • Cure Method
      • 2-Part Cure - Resin/Hardener
    • Color
      • Translucent
      • Clear / Transparent - Clear
    • Key Specifications
      • DOD (U.S. Department of Defense) : A-82720 - Meets DOD A 82720 (1) specifications
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25
    Cure Time (min) 2,880 to 4,320, 1,440, 2,880, 4,320
    Viscosity (cPs) 11,000 Test Method
    Mix Ratio 1:1 (by volume)
    Bond Strength
    Structural/Load-Bearing Structural
    Peel Strength (piw) High, 15 to 20 (lbs/lineal in.) Test Method
    Shear Strength (psi) High, 2,800, 3,000, 3,000, 200 Test Method
    Impact Strength (psi) 1.0 (ft.lbs./inch) Test Method
    Compressive Strength (psi) 12,000
    Material Resistance
    High Temperature Resistance (°C) 99
    Impact Resistance Good impact resistance
    Low Temperature Resistance (°C) -51
    Vibration Resistance/Shock Resistance Good shock resistance
    Conductivity
    Dielectric Strength (V/mil) 500, 500
    Volume Resistivity (O) 10(12) (ohm-cm)
    Hardness
    Shore D Hardness 75, 45, 70, 75 Test Method
    Elongation (%) 5 Test Method
    Other Properties
    Specific Gravity 1.070
    Coefficient of Thermal Expansion (CTE) 70e-6
  • Best Practices for Bostik 7522 High Performance Epoxy

    *See Terms of Use Below

    1. Mixing

      Resin and hardener are metered automatically in proper ratio, mixed in the static mixer and dispensed with pinpoint accuracy. No measuring, mixing or waste

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Viscosity Test Methods
Viscosity Temperature
11,000 cPs 20°C
Work / Pot Time Test Methods
Work / Pot Time Test Method
Impact Strength Test Methods
Impact Strength Test Method
1.0 (ft.lbs./inch) Izod, of notch
Peel Strength Test Methods
Peel Strength Type Test Temperature
High
15 to 20 (lbs/lineal in.) T-Peel Strength 24°C
Shear Strength Test Methods
Shear Strength Substrate Test Temperature
High
2,800 psi Steel
3,000 psi -54°C
3,000 psi 24°C
200 psi 82°C
Elongation Test Methods
Elongation Test Method
5 % Elongation @ break
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
75 after full cure
45 after cure time @ 68°F, after 24 hrs
70 after cure time @ 68°F, after 48 hrs
75 after cure time @ 68°F, after 72 hrs