Waterproof Sealants | McMaster-Carr

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Methyl Isobutyl Ketone (MIBK)

Parachlorobenzotrifluoride (PCBTF)

Petroleum

Plastic

Rubber

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Begins to Harden

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DFARS Specialty Metals

Exempt

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Paintable

186 Products

Sealing

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

83 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

1 product

Gasket Sealants

Seal gaskets on metal parts

3 products

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

3 products

Fastening and Joining

Adhesives

Bond surfaces together

32 products

Facility and Grounds Maintenance

Protective Coatings

Shield surfaces from the surrounding environment

14 products

Plumber's Putty

Mold into a watertight, removable seal around faucets and drains

3 products

Roof Coatings

Form a water-resistant layer to restore and reinforce your roof

9 products

Heating, Ventilation, and Air Conditioning

Foam Insulation Coatings

Shield foam pipe insulation from moisture, UV rays, and ozone

1 product

Electrical

Potting Compounds

Encase electronic assemblies in material that hardens to protect from dust, moisture, and vibration

6 products

Safety Equipment

Fire Stops

Prevent fire and smoke from passing through holes in fire-resistant walls and floors

7 products