3M 4200 is a fast-cure, medium-strength, marine adhesive and sealant. It is commonly used on boats and watercraft. 3M Marine Adhesive Sealant Fast Cure 4200 is a polyurethane that, when wet, chemically reacts to create a flexible, adhesive bond. 3M 4200 sealant adheres to wood, fiberglass, gelcoat and certain plastics and metals. Because the product is medium-strength, it is best used for cosmetic or removable fixes, rather than permanent fixes. 3M 4200 sealant is easier to remover than full-strength adhesives.
Things You'll Need
- Cotton swab
- Sealant remover
Try to remove the item that the 3M 4200 sealant is holding in place by gently tugging at it. If it removes, skip to Step 3. If it does not, continue to Step 2.
Apply a sealant remover to a cotton swab or cloth. Rub the remover around the edges of the item sealed into place. Allow it to work into the adhesive for 15 to 30 minutes, depending on the specific manufacturer's recommendations. Try to remove the item by tugging at it. Repeat until the item is removed.
Apply a liberal amount of sealant remover to a cloth. Rub the cloth onto the back side of the item sealed into place and the front side of the surface it was sealed to. Coat both surfaces with a liberal, even layer directly over the 3M 4200 sealant residue. Allow it to work into the adhesive for 15 to 30 minutes, depending on the specific manufacturer's recommendations.
Dampen a soft cloth in cool water. Squeeze to remove excess moisture. Rub the soft cloth over the adhesive remover for removal.
- Photo Credit boat image by pearlguy from Fotolia.com
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