Sealants For Composite | McMaster-Carr

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163 Products

Sealing

Sealants

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

36 products

Gasket Makers

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

1 product

Fastening and Joining

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

14 products

Instant-Bond Adhesives

Also known as super glue, these adhesives create strong bonds in under 90 seconds

16 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

6 products

Contact Adhesives

Apply adhesive, air dry, and bring surfaces together to bond

7 products

Mounting Adhesives

Mount objects with a range of adhesives, including glue-on-a-roll and glue shapes

2 products

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

Thermal Control Coatings

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

1 product

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

10 products

Potting Compounds

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

38 products