• Description for 3M 3776LM

    Bonds variety of plastics, woods and light-gauge metals

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1-Part
    Material Form Sticks
    Substrate Ceramic, Fabric, Glass, Metal, Paper, Plastic, Polycarbonate, Wood, Foam, Polyolefins, ABS, Thin Metal , Uncoated Cardboard, Uncoated Chipboard, Rigid Foam, Light-gauge Metal, Coated Cardboard, Coated Chipboard, Flexible foam, Plain corrugated, Coated corrugated
    Industry Core, Carpets
    Manufacturer 3M
    Chemistry Hot melt, Low Melt
    Cure Method Hot melt
    Application Temperature (°F) 261 to 270, 250 to 270
    Viscosity (cPs) 8,250
    Color Tan
    High Temperature Resistance (°C) 60
    Density (g/cm³) 0.950
  • Technical Data for 3M 3776LM

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Stick - Sticks
    • Substrate
      • Ceramic
      • Foam - Rigid Foam, Flexible foam
      • Polyolefin - Polyolefins
      • Glass
      • Metal - Thin Metal , Light-gauge Metal
      • Plastic
      • Polycarbonate
      • ABS
      • Wood - Uncoated Chipboard, Coated Chipboard, Plain corrugated, Coated corrugated
      • Fabric
      • Paper - Uncoated Cardboard, Coated Cardboard
      • Other - Leather, Beadboard, Styrene, Heat sensitive substrates
    • Industry
    • Chemistry
    • Cure Method
      • Hotmelt - Hot melt
    • Color
      • Brown - Tan
    Specifications
    Cure Specs
    Application Temperature (°F) 261 to 270, 250 to 270
    Viscosity (cPs) 8,250 Test Method
    Softening Point (°C) 84, 84 Test Method
    Work / Pot Time (min) 0.67 Test Method
    Bond Strength
    Peel Strength (piw) 9 Test Method
    Shear Strength (psi) 600 Test Method
    Tensile Strength (psi) 270 Test Method
    Material Resistance
    High Temperature Resistance (°C) 60 Test Method
    Hardness
    Elongation (%) 600
    Other Properties
    Flash Point (°F) 460.4 Test Method
    % Solids (%) 100
    Density (g/cm³) 0.950
    Business Information
    Shelf Life Details When stored at the recommended conditions, this product has a shelf life of 2 years after 3M ships the product to a customer or distributor.
    Shelf Life Temperature (°F) 120
    Shelf Life (mon) 24
  • Best Practices for 3M 3776LM

    *See Terms of Use Below

    1. Surface Preparation

      : Surfaces must be clean, dry and dust free. Wipe with a solvent such as isopropyl alcohol for plastic substrates to aid in removing oil and dirt.

    2. Application

      3M™ Hot Melt Adhesives are designed for application with a 3M™ Hot Melt Applicators. Read and follow the precautions and directions for use in the user’s manual before operating the applicator. 3M™ Hot Melt Adhesives are applied at 350-385°F, except the Low Melt (LM) series which are designed to be applied at 250-275°F. LM series are adhesives designed for lower temperature application but still yield long-lasting bonds.

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    *See Terms of Use Below

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Softening Point Test Methods
Softening Point Unit Test Method
84°C ASTM E-28-99
84°C ASTM E28-67
Viscosity Test Methods
Viscosity Test Method Temperature
8,250 cPs Brookfield Thermocel Viscometer in Centipoise using a #27 Spindle @ 10 RPM 121°C
Work / Pot Time Test Methods
Work / Pot Time Test Method
0.67 min 1/8" semicircular bead on non-metallic substrates at 75°F
Peel Strength Test Methods
Peel Strength Substrate Test Temperature
9 piw Canvas 22°C
Tensile Strength Test Methods
Tensile Strength Test Temperature
270 psi 22°C
Shear Strength Test Methods
Shear Strength Substrate Test Temperature
600 psi Douglas Fir 22°C
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
60°C adhesive will support a 2 psi dead load
Flash Point Test Methods
Flash Point Test Method
238.0°C ASTM D 92-72