3M 1357L

3M 1357L Datasheet
  • Description for 3M 1357L

    Lower solids, lower viscosity version of 1357 for automatic spray

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Foamed Glass, Metal, Plastic, Rubber, Paper, Wood, Neoprene, Steel, Foamed Glass, Plastic laminates, Paper Honeycomb, Birch
    Manufacturer 3M
    Chemistry Acetone, MEK, n-Hexane, Petroleum distillate, Polychloroprene, Toluene
    Cure Method Solvent
    Cure Time (min) Long
    Viscosity (cPs) 35 to 65
    Color Gray, Green
    High Temperature Resistance (°C) 107, 82, High
    Low Temperature Resistance (°C) -34
    Density (g/cm³) Approx. 6.6 to 6.8 (lbs/gal)
    Key Specifications Mil-Spec (United States Military Standard): MIL-A-21366A; MMM-A-121
  • Technical Data for 3M 1357L

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
    • Chemistry
      • Other - Acetone, MEK, n-Hexane, Petroleum distillate, Polychloroprene, Toluene
    • Application Method
      • Contact
      • Spray - Automatic spray
    • Cure Method
      • Solvent
    • Color
      • Gray
      • Green
    • Key Specifications
      • Mil-Spec (United States Military Standard): A-21366A - MIL-A-21366A; MMM-A-121
      • Mil-Spec (United States Military Standard): MMM-A-121 - MIL-A-21366A; MMM-A-121
    Specifications
    Cure Specs
    Application Temperature (°F) 64
    Cure Temperature (°C)
    Cure Time (min) Long
    Viscosity (cPs) 35 to 65 Test Method
    Dry Time (min) 10, 30
    Bond Strength
    General Bond Strength (psi) Excellent initial strength
    Peel Strength (piw) 16 (lbs./in.), 31 (lbs./in.), 42 (lbs./in.), 26 (lbs./in.), 24 (lbs./in.), 23 (lbs./in.), 13 (lbs./in.), 18.5(lbs./in.), 12 (lbs./in.) Test Method
    Shear Strength (psi) 452, 536, 964, 199, 158 Test Method
    Material Resistance
    High Temperature Resistance (°C) 107, 82, High
    Low Temperature Resistance (°C) -34
    Other Properties
    Flash Point (°F) -14.8 Test Method
    % Solids (%) 17 to 19 Test Method
    Density (g/cm³) Approx. 6.6 to 6.8 (lbs/gal)
    Business Information
    Shelf Life Details Storage: Store product at 60-80°F (16-27°C) for maximum storage life. Higher temperatures can reduce normal storage life. Lower temperatures can cause increased viscosity of a temporary nature. Rotate stock on a “first in-first out” basis.;Shelf Life: When stored at the recommended conditions in the original, unopened container, 3M™ Scotch-Weld™ Neoprene High Performance Contact Adhesive 1357 and 1357-L have a shelf life of 15 months.
    Shelf Life Temperature (°F) 61 to 81
    Shelf Life (mon) 15
  • Best Practices for 3M 1357L

    *See Terms of Use Below

    1. Surface Preparation

      Remove all dust, dirt, oil, grease, wax, loose paint, etc.Wiping with solvent such as Methyl Ethyl Ketone (MEK) will aid in preparing the surface for bonding.*

      *When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.

    2. Application

      When bonding wood veneers, success is dependent on many variables such as environmental conditions, bonding process, type of base material, type of veneer, adhesive type and top coat finishing systems to name a few. It is the user’s responsibility to thoroughly test any adhesive for its suitability in bonding wood veneers. It is also recommended to follow the veneer manufacturers recommendation and industry guidelines.

      For best results the temperature of the adhesive and surfaces to be bonded should be at least 65°F (18°C). If stored below 30°F (-1°C), warm-up to room temperature in a warm room only (do not exceed 120°F (49°C) followed by thorough agitation).

      Stir or agitate well before using for optimum results. Apply 2.5 gms to 3.5 gms/ft.2 dry weight to each surface. Unusually porous surfaces will require more adhesive.

      Assembly: Spacers, such as dowels or strips of laminate, may be used to help prevent premature adhesive/adhesive contact and bonding prior to positioning. Slide out of the spacers and apply uniform pressure, working toward the edges. A 3 in. roller used with maximum body pressure should be used to help ensure adequate contact and bonding, especially on edges. The use of a pinch roll is preferred for optimum performance. Bonded assemblies may be machined, trimmed, etc. immediately after bonding.

    3. Curing

      The adhesive dries in about 10 minutes. High humidity will slow drying-high temperatures speed the drying. This adhesive has a bonding range of approximately 30 minutes when applied to both bond surfaces under conditions of 70°F (21°C) and 35% R.H. If the adhesive becomes too dry, apply another thin coat of adhesive to one surface, allow to become slightly tacky, and bond.

      Relative humidity above 50% can cause blushing (condensation of moisture on surface) and a false bond. To avoid this, we recommend a force drying temperature of 180-220°F (82-104°C). Force drying will also help remove the solvent more rapidly.

    4. Clean-Up

      Adhesive residue of 3M™ Scotch-Weld™ Neoprene High Performance Contact Adhesive 1357 and 1357-L may be removed from exposed surfaces with solvents such as Methyl Ethyl Ketone (MEK), or 3M™ Citrus Base Industrial Cleaner.* For flushing fluid lines use MEK.

      *When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.

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    *See Terms of Use Below

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Viscosity Test Methods
Viscosity Test Method Temperature
35 to 65 cPs RVF #1 Sp. @20 rpm@80°F (27°C) 27°C
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Substrate Test Temperature Test Method
452 psi Overlap shear strength >20,160 min 24°C Birch 24°C 1/8" Birch/Birch
536 psi Overlap shear strength >30,240 min 24°C Birch 24°C 1/8" Birch/Birch
964 psi Overlap shear strength >30,240 min 24°C Birch -34°C 1/8" Birch/Birch
199 psi Overlap shear strength >30,240 min 24°C Birch 82°C 1/8" Birch/Birch
158 psi Overlap shear strength >30,240 min 24°C Birch 107°C 1/8" Birch/Birch
Peel Strength Test Methods
Peel Strength Type Cure Time Cure Temperature Substrate Test Temperature Test Method
16 (lbs./in.) 180° Peel Strength 1,440 min 24°C Canvas-Steel 24°C 180° Peel Strength
31 (lbs./in.) 180° Peel Strength 4,320 min 24°C Canvas-Steel 24°C 180° Peel Strength
42 (lbs./in.) 180° Peel Strength 7,200 min 24°C Canvas-Steel 24°C 180° Peel Strength
26 (lbs./in.) 180° Peel Strength 10,080 min 24°C Canvas-Steel 24°C 180° Peel Strength
24 (lbs./in.) 180° Peel Strength 20,160 min 24°C Canvas-Steel 24°C 180° Peel Strength
23 (lbs./in.) 180° Peel Strength 30,240 min 24°C Canvas-Steel 24°C 180° Peel Strength
13 (lbs./in.) 180° Peel Strength >30,240 min 24°C Canvas-Steel -34°C 180° Peel Strength
18.5(lbs./in.) 180° Peel Strength >30,240 min 24°C Canvas-Steel 66°C 180° Peel Strength
12 (lbs./in.) 180° Peel Strength >30,240 min 24°C Canvas-Steel 82°C 180° Peel Strength
Flash Point Test Methods
Flash Point Test Method
-26.0°C T.C.C.
% Solids Test Methods
% Solids Test Method
17 to 19 % By weight