Composites Sealers | McMaster-Carr

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112 Products

Sealing

Sealants

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

41 products

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

1 product

Facility and Grounds Maintenance

Protective Coatings

Shield surfaces from the surrounding environment

9 products

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

7 products

Roof Coatings

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

7 products

Electrical Power, Networking, and Controlling

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

10 products

Thermal Control Coatings

Give off almost no volatile emissions that could damage sensitive electronics and optics

1 product

Potting Compounds

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

38 products