3M Construction Mastic 4323

3M Construction Mastic 4323 Datasheet
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  • Description for 3M Construction Mastic 4323

    A high performance panel and construction adhesive. Resists wear, heat and dead load creep.

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Liquid, Buttery mastic
    Substrate FRP, Plastic, Steel, HardWoods, Concrete, Polystyrene, PlyWood
    Manufacturer 3M
    Chemistry Isohexanes, Synthetic Rubber
    Cure Method Solvent
    Viscosity (cPs) 200,000 to 300,000
    Color Gray
    Creep Resistance Dead load creep
    Chemical Resistance Water
    Density (g/cm³) 8.8 to 9.2 (weight (lbs/gal))

  • Technical Data for 3M Construction Mastic 4323

    *See Terms of Use Below

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid
      • Other - Buttery mastic
    • Substrate
    • Industry
    • Chemistry
      • Synthetic Rubber
      • Other - Isohexanes
    • Application Method
      • Dispenser - Lamination equipment
    • Cure Method
      • Solvent
    • Color
      • Gray
    Specifications
    Cure Specs
    Viscosity (cPs) 200,000 to 300,000 Test Method
    Bond Strength
    Shear Strength (psi) 66, 124, 183, 178, 291, 290, 290 Test Method
    Material Resistance
    Creep Resistance Dead load creep
    Chemical Resistance Water
    Other Properties
    Flash Point (°F) 1.4 Test Method
    % Solids (%) 66, 64 to 68 Test Method
    Density (g/cm³) 8.8 to 9.2 (weight (lbs/gal))
    Business Information
    Shelf Life Details Store product at 60-80°F (16-27°C) for maximum storage life. Higher temperatures reduce normal storage life. Lower temperatures cause increased viscosity of a temporary nature. Rotate stock on a “first in-first out” basis. When stored at the recommended temperature in the original, unopened container, this product has a shelf life of 15 months.
    Shelf Life Temperature (°F) 61 to 81
    Shelf Life (mon) 15
    Not Good For
    Don't Use For Exposed, outdoor applications.

  • Best Practices for 3M Construction Mastic 4323

    *See Terms of Use Below

    1. Surface Preparation

      For optimum bond strength, the substrates should be cleaned of loose dirt and debris.

    2. Application

      3MTM Scotch-GripTM Construction Mastic 4323 is ready for use as received with no mixing or dilution required. The adhesive can be applied from cartridges using hand caulking guns or pneumatic caulk or pump equipment. The mastic is also available in bulk where simple spatulas or notched trowels can be used to apply product. A 1/4 inch diameter bead when applied to one surface will have a bonding range of approximately 15 minutes at 72°F (22°C) / 50% R.H. The mastic is usually applied to one of the bonding surfaces, although it may be applied to both surfaces in some applications. Green strength and the rate of strength buildup develops more rapidly in a dry, hot environment and more slowly as the humidity increases and/or the temperature drops.

    3. Clean-Up

      Cleanup can be accomplished by removing the excess mastic with a spatula or similar tool. The remainder of the mastic can be wiped off using 3M™ Citrus Base Industrial Cleaner, 3M™ Scotch-Grip™ Solvent No. 2, mineral spirits or acetone soaked rag.* This should be done before the mastic dries. Dried mastic can be cut off with a sharp tool such as a razor blade or utility knife.

      *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 Construction Mastic 4323

    *See Terms of Use Below

    Spec Engine® Results

    • 3M
      Industrial Adhesive 4799(3M)

      • Quick drying adhesive with fast strength buildup • Provides low soak-in on most porous substrate • Dries to a flexible, water resistant bond

    • Ruscoe PlioBond
      20 Adhesive(Ruscoe PlioBond)

      All-purpose, thermosetting adhesive used to bond virtually all porous substrates. Dielectric qualities make it ideal for a wide variety of electrical applications.

    • Ashland
      Pliobond 35(Ashland)

      • General-purpose • VOC-compliant • thermosetting adhesive • outstanding dielectric properties

    • Compare All
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Viscosity Test Methods
Viscosity Test Method Temperature
200,000 to 300,000 cPs Brookfield #7 @ 10 RPM’s @ 80°F 27°C 27°C
Shear Strength Test Methods
Shear Strength Type Cure Time Test Temperature Test Humidity Test Method
66 psi Overlap shear strength 60 min 25°C 50 % Rate of strength buildup testing: Rate of strength buildup test results were run on fir to fir, 1/4 in. exterior grade plywood, overlap shear bonds at 77°F (25°C) at 50% relative humidity. Bonds were tested on a tensile tester using a jaw separation speed of 2 inches per minute., Cohesive failure
124 psi Overlap shear strength 120 min 25°C 50 % Rate of strength buildup testing: Rate of strength buildup test results were run on fir to fir, 1/4 in. exterior grade plywood, overlap shear bonds at 77°F (25°C) at 50% relative humidity. Bonds were tested on a tensile tester using a jaw separation speed of 2 inches per minute., Cohesive failure
183 psi Overlap shear strength 240 min 25°C 50 % Rate of strength buildup testing: Rate of strength buildup test results were run on fir to fir, 1/4 in. exterior grade plywood, overlap shear bonds at 77°F (25°C) at 50% relative humidity. Bonds were tested on a tensile tester using a jaw separation speed of 2 inches per minute., Cohesive failure
178 psi Overlap shear strength 360 min 25°C 50 % Rate of strength buildup testing: Rate of strength buildup test results were run on fir to fir, 1/4 in. exterior grade plywood, overlap shear bonds at 77°F (25°C) at 50% relative humidity. Bonds were tested on a tensile tester using a jaw separation speed of 2 inches per minute., Cohesive failure
291 psi Overlap shear strength 1,440 min 25°C 50 % Rate of strength buildup testing: Rate of strength buildup test results were run on fir to fir, 1/4 in. exterior grade plywood, overlap shear bonds at 77°F (25°C) at 50% relative humidity. Bonds were tested on a tensile tester using a jaw separation speed of 2 inches per minute., Wood failure, Bond strength of the mastic beyond the limits of the substrate strength.
290 psi Overlap shear strength 2,880 min 25°C 50 % Rate of strength buildup testing: Rate of strength buildup test results were run on fir to fir, 1/4 in. exterior grade plywood, overlap shear bonds at 77°F (25°C) at 50% relative humidity. Bonds were tested on a tensile tester using a jaw separation speed of 2 inches per minute., Wood failure, Bond strength of the mastic beyond the limits of the substrate strength.
290 psi Overlap shear strength 10,080 min 25°C 50 % Rate of strength buildup testing: Rate of strength buildup test results were run on fir to fir, 1/4 in. exterior grade plywood, overlap shear bonds at 77°F (25°C) at 50% relative humidity. Bonds were tested on a tensile tester using a jaw separation speed of 2 inches per minute., Wood failure, Bond strength of the mastic beyond the limits of the substrate strength.
Flash Point Test Methods
Flash Point Test Method
-17.0°C Setaflash
% Solids Test Methods
% Solids Test Method
66 % By weight
64 to 68 % By weight