• 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.

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    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Ceramics, Metal, Plastics, Rubber, Wood, Steel
    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 Translucent, Clear
    Chemical Resistance Good Inorganic Acids, Good Alkalis, Good Alcohol, Good Hydraulics Acids
    Relative Solvent Resistance Chemical Resistance: Good Solvents, Chemical Resistance: Good Solvents Chlorinated
    High Temperature Resistance (°C) 99
    Low Temperature Resistance (°C) -51
    Key Specifications DOD (U.S. Department of Defense): Meets DOD A 82720 (1) specifications
  • Technical Data

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  • Best Practices

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Viscosity Test Methods
Viscosity Temperature
11,000 cPs 20°C
Work / Pot Time Test Methods
Work / Pot Time Test Method
Shear Strength Test Methods
Shear Strength Substrate Test Temperature
2,800 psi Steel
3,000 psi -54°C
3,000 psi 24°C
200 psi 82°C
Peel Strength Test Methods
Peel Strength Type Test Temperature
15 to 20 (lbs/lineal in.) T-Peel Strength 24°C
Impact Strength Test Methods
Impact Strength Test Method
1.0 (ft.lbs./inch) Izod, of notch
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