• Description for 3M 4200

    A fast curing, one-part polyurethane that chemically reacts with moisture to deliver strong, flexible bonds to wood, gelcoat and fiberglass. It forms watertight, weather-resistant seals on joints and boat hardware above and below the waterline.

    *See Terms of Use Below

    Application Type Bond, Seal
    1 Part or 2 Part 1 Part
    Material Form Non-sag paste
    Substrate Acrylic, Polyethylene, Vinyl, Fiberglass, Glass, Metals, Gelcoat, EPDM rubber, Wood, FRP, Plastics/Polymers, Primed Teak, Pine, Certain plastics, Oak, Maple, Fir, Mahogany
    Industry Marine, Two Wheel Vehicles, Commercial & Specialty Vehicles, On joints and boat hardware above and below the waterline
    Manufacturer 3M
    Chemistry Polyurethane
    Cure Method Moisture
    Cure Temperature (°C) 23
    Cure Time (min) Fast, 1,440
    Color Black, White
    High Temperature Resistance (°C) 88
    Low Temperature Resistance (°C) -40
    Density (g/cm³) 9.75 (Lbs/Gallon) (Approx.)
  • Technical Data for 3M 4200

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Paste - Non-sag paste
    • Substrate
      • Fiberglass
      • Glass
      • Metal - Metals
      • Plastic - Gelcoat, Plastics/Polymers, Certain plastics
      • Acrylic (PMMA) - Acrylic
      • Polyethylene (LDPE, HDPE) - Polyethylene
      • Vinyl
      • EPM/EPDM - EPDM rubber
      • Wood - Primed Teak, Pine, Oak, Maple, Fir, Mahogany
      • Composites - FRP
    • Industry
      • Marine - On joints and boat hardware above and below the waterline
      • Two Wheel Vehicles
      • Commercial & Specialty Vehicles
      • Other - Fiberglass deck, Fiberglass hull, Portholes, Deck fittings, Moldings, Trunk joints, Between struts and planking, Stern joints
    • Chemistry
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    • Color
      • Black
      • White
    Specifications
    Cure Specs
    Cure Temperature (°C) 23 Test Method
    Cure Time (min) Fast, 1,440 Test Method
    Tack Free Time (min) 60 to 120 Test Method
    Bond Strength
    Shear Strength (psi) 129, 185, 195, 218, 165, 260, 100, 100, 95, 100, 55, 100, 244, 258, 25, 0, 0, 0, 62, 138, 135, 100, 165, 20, 75 Test Method
    Tensile Strength (psi) 180 Test Method
    Material Resistance
    Environmental Resistance Weather-resistant
    High Temperature Resistance (°C) 88
    Low Temperature Resistance (°C) -40
    Hardness
    Shore A Hardness 40 Test Method
    Elongation (%) >400 Test Method
    Other Properties
    % Solids (%) 100 Test Method
    Density (g/cm³) 9.75 (Lbs/Gallon) (Approx.)
    Business Information
    Shelf Life Details Polyurethane sealants and adhesive sealants must be stored in a controlled environment to maximize shelf life. Store the products in the original unopened containers below 77°F (25C).;When stored at recommended conditions, the shelf life of cartridges and sausage packs is 12 months from the date of manufacture., Polyurethane sealants and adhesive sealants must be stored in a controlled environment to maximize shelf life. Store the products in the original unopened containers below 77°F (25C).;For 5 and 55 gallon containers, the shelf life is 6 months from date of manufacture.
    Shelf Life Temperature (°F) 77, 77
    Shelf Life Type From the date of manufacture., From date of manufacture
    Shelf Life (mon) 12, 6
    Not Good For
    Don't Use For As a teak deck seam sealer, Installation of glass, Polycarbonate or acrylic windows that are not also mechanically fastened., Sealing wood decks
  • Best Practices for 3M 4200

    *See Terms of Use Below

    1. Surface Preparation

      There are waxes, coatings, sealants, grease, oil and other contaminants used in the marine industry, making it very important to clean all surfaces to be bonded before applying 3MTM Marine Adhesive/ Sealant 4200.

    2. Application

      Abrading the surface with a180 grit to 220 grit abrasive, will enhance the bond strength. Cut the plastic nozzle tip to the desired bead size. Puncture the seal in nozzle end of the cartridge and screw the plastic nozzle in place. Remove the bottom end seal of cartridge and place the cartridge in a caulk gun dispenser. Apply Fast Cure 4200 to the seam or part to be bonded. Position parts. Tool material to desired appearance. Tooling of adhesive can be accomplished by using a tongue depressor. If a finger is used, rubber gloves are recommended. Remove excess with General Purpose Adhesive Cleaner, P.N. 08984.

    3. Clean-Up

      For cleaning 3MTM Marine Adhesive/Sealant Fast Cure 4200 before it is cured, use a dry cloth to remove the majority of sealant, followed by a cloth damp with 3MTM General Purpose Adhesive Cleaner, P.N. 08984. Cured material can be removed mechanically with a knife, razor blade, piano wire or by sanding.

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
23°C 50% Relative Humidity
Cure Time Test Methods
Cure Time Test Method
Fast
1,440 min 50% Relative Humidity
Tack Free Time Test Methods
Tack Free Time Tack Free Temperature Test Method
60 to 120 min 24°C At 75°F (24°C) and 50% R.H.
Shear Strength Test Methods
Shear Strength Type Cure Temperature Cure Humidity Substrate Chemical Test Temperature Test Humidity Test Method
129 psi Overlap shear Strength 21°C 50 % Wood: Primer Teak (#06533) One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
185 psi Overlap shear Strength 21°C 50 % Wood: Pine One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
195 psi Overlap shear Strength 21°C 50 % Wood: Oak One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
218 psi Overlap shear Strength 21°C 50 % Wood: Maple One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
165 psi Overlap shear Strength 21°C 50 % Wood: Fir One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
260 psi Overlap shear Strength 21°C 50 % Wood: Mahogany One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
100 psi Overlap shear Strength 21°C 50 % Metal: Stainless Steel One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
100 psi Overlap shear Strength 21°C 50 % Metal: Aluminum One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
95 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Nylon One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
100 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: ABS One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
55 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Acrylic One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
100 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Polycarbonate One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
244 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Gelcoat One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
258 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Fiberglass One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Cohesive – Adhesive/Sealant fails before adhesive/sealant releases from substrate. This is the desired mode.
25 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Polypropylene One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
0 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Polyethylene One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
0 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: Vinyl One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
0 psi Overlap shear Strength 21°C 50 % Plastics/Polymers: EPDM rubber One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate.
62 psi Overlap shear Strength 21°C 50 % Glass One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity., Adhesive Failure – Adhesive/Sealant releases from substrate., Failure Mode
138 psi Overlap shear Strength Stainless steel 21°C 50 % One inch (2.54 cm) overlap specimens (0.093 inch (0.2362 cm) thickness).
135 psi Overlap shear Strength Stainless steel Salt Water Immersion 500 hours 21°C 50 % One inch (2.54 cm) overlap specimens (0.093 inch (0.2362 cm) thickness)., Adhesive Failure – Adhesive/Sealant releases from substrate.
100 psi Overlap Shear Strength 21°C 50 % Cold-Rolled Steel One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity.
165 psi Overlap Shear Strength 21°C 50 % Fiber-Reinforced Plastic One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity.
20 psi Overlap Shear Strength 21°C 50 % LDPE One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity.
75 psi Overlap Shear Strength 21°C 50 % PVC One inch (2.54 cm) overlap specimens at 0.093 inch (0.2362 cm) thickness. Samples cured at 70°F (21°C), 50% Relative Humidity.
Tensile Strength Test Methods
Tensile Strength Test Temperature Test Humidity Test Method
180 psi 21°C 1 % ASTM D412
Elongation Test Methods
Elongation Test Method
>400 % Elongation at Break (ASTM D412)
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
40 ASTM C661
% Solids Test Methods
% Solids Test Method
100 % Approx.