3M Construction Mastic 4323 Datasheet 3M Construction Mastic 4323

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  • Description for 3M Construction Mastic 4323

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

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    Chemical Resistance Chemical Resistance: Fluid Resistance: Water
    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Liquid, Buttery mastic
    Substrate Plastic, Polystyrene, Steel, HardWoods, Concrete, FRP, PlyWood
    Manufacturer 3M
    Chemistry Isohexanes, Synthetic Rubber
    Cure Method Solvent
    Viscosity (cPs) 200,000 to 300,000
    Color Gray
    Creep Resistance Dead load creep
    Density (g/cm³) 8.8 to 9.2 (weight (lbs/gal))
  • Comparable Materials for 3M Construction Mastic 4323

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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
1.4°F Setaflash
% Solids Test Methods
% Solids Test Method
66 % By weight
64 to 68 % By weight