3M Scotch-Weld Epoxy Adhesive DP420 Off-White Datasheet 3M Scotch-Weld Epoxy Adhesive DP420 Off-White

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  • Description for 3M Scotch-Weld Epoxy Adhesive DP420 Off-White

    • High shear strength • High peel strength • Easy mixing • 20 minute worklife • Two-part • Very high levels of durability.

    *See Terms of Use Below

    Brand Scotch-weld
    Chemical Resistance Antifreeze/H2O (50/50), Chemical Resistance: Methyl Ethyl Ketone, Chemical Resistance: Fluid Resistance: Distilled Water, Skydrol LD-4, Chemical Resistance: Fluid Resistance: Water Vapor, Isopropyl Alcohol, Salt spray
    Application Type Bond
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Substrate PolyAcrylic, Aluminum, FRP, Copper, Polystryene, Polycarbonate, PVC, Cold rolled Steel, Stainless Steel, Brass, Phenolic, Galvanized Steel, SBR, Galvanized Steel, ABS, Etched Aluminum, Steel
    Industry Automotive Wheels (Assembly)
    Manufacturer 3M
    Chemistry Epoxy
    Cure Method 2-Part Cure, Heat
    Cure Temperature (°C) 23
    Cure Time (min) 10,080
    Viscosity (cPs) 30,000
    Color Off White, Opaque
    Volume Resistivity (O) 1.3e14 (ohms/cm)
    Durability Very high levels of durability
    Key Specifications UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association): UL 94 HB

  • Technical Data for 3M Scotch-Weld Epoxy Adhesive DP420 Off-White

    *See Terms of Use Below

    Overview
    • Chemical Resistance
      • Chemical Resistance : Fluid Resistance : Water Resistance - Distilled Water, Water Vapor
      • Chemical Resistance - Antifreeze/H2O (50/50), Isopropyl Alcohol, Salt spray, Skydrol LD-4
      • Chemical Resistance : Relative Solvent Resistance - Methyl Ethyl Ketone
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
      • Automotive Wheels - Automotive Wheels (Assembly)
    • Chemistry
    • Application Method
      • Dispenser - Dispensing equipment
      • Other - Proportioning equipment, Two-part mixing equipment
    • Cure Method
      • Heat
      • 2-Part Cure
    • Color
      • Off-White - Off White
      • Other - Opaque
    • Key Specifications
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) : UL 94 HB
    • Brand
      • Scotch-weld
    Specifications
    Cure Specs
    Cure Temperature (°C) 23
    Cure Time (min) 10,080
    Viscosity (cPs) 30,000 Test Method
    Fixture or Handling Strength Time (min) 60 to 120
    Work / Pot Time (min) 20, 15, 20, 30, Medium Test Method
    Mix Ratio 2:1 (by volume), 2:0.97 (by weight)
    Bond Strength
    Structural/Load-Bearing Structural
    Peel Strength (piw) High, 5 to 10, 50, 3 to 5, 50, 40, 40, 25 Test Method
    Shear Strength (psi) High, 4,500, 4,500, 450, 700, 750, 2,500, 200, 4,500, 3,500, 3,500, 4,000, 2,700, 4,000, 4,100, 1,700, 2,000, 2,100, 320, 220, 400, 230, 350, 350, 1,400, 150, 40, 5,100, 4,700, 4,700, 3,000, 4,200, 5,300, 4,600, 5,100, 5,400 Test Method
    Material Resistance
    Environmental Resistance Environmental resistance
    Conductivity
    Dielectric Strength (V/mil) 690 Test Method
    Thermal Conductivity (W/m°K) 0.18 Test Method
    Volume Resistivity (O) 1.3e14 (ohms/cm) Test Method
    Hardness
    Durability Very high levels of durability
    Shore D Hardness 75 to 80
    Other Properties
    Coefficient of Thermal Expansion (CTE) 85e-6 (in./ in/°C), 147e-6 (in./ in/°C) Test Method
    Business Information
    Shelf Life Details Store products at 60-80°F (15-27°C) or refrigerate for maximum shelf life.;These products have a shelf life of 15 months in original containers at room temperature., Store products at 60-80°F (15-27°C) for maximum shelf life., These products have a shelf life of 24 months from date of manufacture in original containers at room temperature
    Shelf Life Temperature (°F) 59 to 81, 60 to 80
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 15, 24

  • Best Practices for 3M Scotch-Weld Epoxy Adhesive DP420 Off-White

    *See Terms of Use Below

    1. Surface Preparation

      Wipe surface with an isopropyl alcohol soaked swab.* Allow solvent to evaporate before applying adhesive

      Isopropyl Alcohol/Abrade/Isopropyl Alcohol Surface Preparation Wipe surface with an isopropyl alcohol soaked swab, abrade using clean fine grit abrasives, and wipe with an isopropyl alcohol soaked swab.* Then allow solvent to evaporate before applying adhesive

      Wipe surface with a methyl ethyl ketone (MEK) soaked swab, abrade and wipe with a MEK soaked swab.* Allow solvent to evaporate before applying adhesive.

    2. Application

      To use the EPX cartridge system simply insert the duo-pak cartridge into the EPX applicator. Next, remove the duo-pak cartridge cap and expel a small amount of adhesive to be sure both sides of the duo-pak cartridge are flowing evenly and freely.

    3. Mixing

      Easy mixing: If simultaneous mixing of Part A and Part B is desired, attach the EPX mixing nozzle to the duo-pak cartridge and begin dispensing the adhesive.

      When mixing Part A and Part B manually the components must be mixed in the ratio indicated in the typical uncured properties section of this data sheet. Complete mixing of the two components is required to obtain optimum properties. Two-part mixing/proportioning/dispensing equipment is available for intermittent or production line use. These systems are ideal for line uses because of their variable shot size and flow rate characteristics and are adaptable to most applications.

    4. Clean-Up

      Wipe surface with an isopropyl alcohol soaked swab, abrade using clean fine grit abrasives, and wipe with an isopropyl alcohol soaked swab.* Then allow solvent to evaporate before applying adhesive.*Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.

  • Comparable Materials for 3M Scotch-Weld Epoxy Adhesive DP420 Off-White

    *See Terms of Use Below

    Spec Engine® Results

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Viscosity Test Methods
Viscosity Temperature
30,000 cPs 23°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
20 min
15 min 20 g mixed 23°C
20 min 10 g mixed 23°C
30 min 5 g mixed 23°C
Medium
Peel Strength Test Methods
Peel Strength Type Substrate Test Temperature Test Method
High -55°C ASTM D 1876-61T,T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.032 in. thick.
5 to 10 piw T-peel strength Aluminum 23°C ASTM D 1876-61T, T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.032 in. thick.
50 piw T-peel strength Aluminum 82°C ASTM D 1876-61T, T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.032 in. thick.
3 to 5 piw T-peel strength Aluminum 23°C ASTM D 1876-61T, T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.032 in. thick.
50 piw T-peel strength Aluminum etched 23°C ASTM D 1876-61T, T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.032 in. thick.
40 piw T-peel strength Aluminum etched 23°C ASTM D 1876-61T, T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.032 in. thick.
40 piw T-peel strength Cold Rolled Steel-Oakite degreased 73°C ASTM D 1876-61T, T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.032 in. thick.
25 piw T-peel strength Cold Rolled Steel-MEK/abrade/MEK
Shear Strength Test Methods
Shear Strength Type Substrate Test Time Test Temperature Test Method
High
4,500 psi Overlap shear strength Aluminum -55°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,500 psi Overlap shear strength Aluminum 23°C Represents time in test chamber oven before test., Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
450 psi Overlap shear strength Aluminum 900 sec 82°C Represents time in test chamber oven before test., Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
700 psi Overlap shear strength Aluminum 1,800 sec Represents time in test chamber oven before test., Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
750 psi Overlap shear strength Aluminum 3,600 sec Represents time in test chamber oven before test., Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
2,500 psi Overlap shear strength Aluminum 14,400 sec 121°C Represents time in test chamber oven before test., Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
200 psi Overlap shear strength Aluminum 900 sec 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,500 psi Overlap shear strength Aluminum-Etched 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
3,500 psi Overlap shear strength Aluminum-Oakite degrease 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
3,500 psi Overlap shear strength Aluminum-MEK/abrade/MEK 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,000 psi Overlap shear strength Cold Rolled Steel-Oakite degrease 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
2,700 psi Overlap shear strength Cold Rolled Steel-MEK/abrade/MEK 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,000 psi Overlap shear strength Copper- MEK/abrade/MEK 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,100 psi Overlap shear strength Brass- MEK/abrade/MEK 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
1,700 psi Overlap shear strength Stainless Steel MEK/abrade/MEK 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
2,000 psi Overlap shear strength Galvanized Steel-Hot dipped 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
2,100 psi Overlap shear strength Galvanized Steel-Electrodeposited 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
320 psi Overlap shear strength ABS 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
220 psi Overlap shear strength PVC 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
400 psi Overlap shear strength Polycarbonate 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
230 psi Overlap shear strength Polyacrylic 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
350 psi Overlap shear strength Polystryene 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
350 psi Overlap shear strength FRP 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
1,400 psi Overlap shear strength Phenolic 23°C Substrate failure, Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
150 psi Overlap shear strength SBR/Steel 23°C Substrate failure, Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
40 psi Overlap shear strength Neoprene/Steel 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
5,100 psi Overlap shear strength ABS 73°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,700 psi Overlap shear strength PVC 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,700 psi Overlap shear strength Polycarbonate 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
3,000 psi Overlap shear strength Polyacrylic 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,200 psi Overlap shear strength Polystryene 23°C Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
5,300 psi Overlap shear strength FRP 23°C Substrate Failure, Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
4,600 psi Overlap shear strength Phenolic 23°C Substrate Failure, Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
5,100 psi Overlap shear strength SBR/Steel 23°C Substrate Failure, Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
5,400 psi Overlap shear strength Neoprene/Steel 23°C Substrate Failure, Overlap shear (OLS) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate except for aluminum. Two panels 0.063 in. thick, 4 in. x 7 in. of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the bondline was 0.005-0.008 in. All strengths were measured at 73°F (23°C) except where noted.
Dielectric Strength Test Methods
Dielectric Strength Test Method
690 V/mil ASTM D-149
Thermal Conductivity Test Methods
Thermal Conductivity Temperature Test Method
0.18 W/m°K 45°C (btu - ft./ft.2 - hr. - °F)
Volume Resistivity Test Methods
Volume Resistivity Test Method
1.3e14 (ohms/cm) ASTM D-257
Coefficient of Thermal Expansion (CTE) Test Methods
Coefficient of Thermal Expansion (CTE) CTE Test Method
85e-6 (in./ in/°C) Below Tg
147e-6 (in./ in/°C) Above Tg