• 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, FRP, Glass, Metals, Gelcoat, Wood, Fiberglass, Polyethylene, Vinyl, EPDM rubber, 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.)

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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.
Tensile Strength Test Methods
Tensile Strength Test Temperature Test Humidity Test Method
180 psi 21°C 1 % ASTM D412
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.
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.