Urethane Sealants | McMaster-Carr

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Hard-to-Bond Materials

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Reaches Full Strength

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Electrically Insulating

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Mixing Required

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Export Control Classification Number (ECCN)

1C995

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Adhesive Material

Patch Material

931 Products

Sealing

Sealants

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

129 products

Sealant Primers

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

3 products

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

3 products

Gasket Makers

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

8 products

Gasket Tape

Seal openings such as those around windows, enclosures, and pipe flanges to prevent leaks

31 products

Fastening and Joining

Instant-Bond Adhesives

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

141 products

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

187 products

Contact Adhesives

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

22 products

Construction Adhesives

Join a wide range of construction materials, from drywall to carpeting

12 products

Footwear Adhesives

Repair rips, split seams, and detached soles to stop leaks in shoes, boots, and waders

1 product

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

3 products

Hot Glue

Melt for rapid bonds in a range of applications, from packaging to woodworking

15 products

Anchoring Adhesives

Permanently set threaded rods, studs, and rebar in concrete

22 products

Glue

The first choice for everyday bonding and repairs

7 products

Adhesive Cement

Form strong bonds on plastic, rubber, ceramic, and other materials

1 product

Mounting Adhesives

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

17 products

Repair and Duct Tape

Permanently join or seal surfaces

9 products

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

142 products

Protective Coatings

Shield surfaces from the surrounding environment

58 products

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

12 products

Protective Coating Primers

Prepare metal surfaces for powder coating

1 product

Electrical Power, Networking, and Controlling

Potting Compounds

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

57 products

Electrically Insulating Adhesives

Secure hardware on circuit boards while insulating current

10 products

Conductive Adhesives

Bond electrical components and repair circuits

7 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

9 products

Building and Machinery Hardware

Protective Film and Tape

Adhere to surfaces to keep them free of scratches, chemicals, moisture, and germs

16 products

Safety Equipment

Drum Patches

Patch drum leaks to prevent their contents from spilling

2 products

Material Handling

Low-Friction Tape

Create a slippery lining to keep parts moving or use as a release surface on heat sealers and molds

2 products