3M 4200

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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.

3M 4200

Description for 3M 4200