Rubber Sealants | McMaster-Carr

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1A995

EAR99

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DFARS Specialty Metals

Adhesive Material

Patch Material

1,627 Products

Sealants

Silicone Rubber Sealants

Harden at room temperature once applied

44 products

Sealants

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

9 products

Structural Sealants

Combine the strength of adhesive with the flexibility of sealant

14 products

Noncorrosive Silicone Rubber Sealants

Won't discolor copper, brass, or concrete

13 products

Self-Leveling Silicone Rubber Sealants

Thinner than non-sagging silicone sealants to flow easily into cracks for a smooth finish

5 products

Chemical-Resistant Sealants

Made of fluoroelastomer to resist harsh chemicals, such as sulfuric acid

4 products

Submersible Sealants

Stand up to water, salt spray, mildew, and UV light

6 products

Clean Room Sealants

Won't contaminate the air or surfaces in semiconductor, biomedical, and electronics clean rooms

1 product

Self-Leveling Oil- and Fuel-Resistant Sealants

Flow easily into cracks for a smooth finish and resist swelling from oil, fuel, and solvents

5 products

All-Weather Application Structural Sealants

The strongest all-weather sealants we offer

6 products

Oil- and Fuel-Resistant Sealants

Resist swelling when exposed to oil, fuel, and solvents

3 products

Silicone Rubber Sealants with Material Certification

Harden at room temperature once applied

9 products

Mildew-Resistant Silicone Rubber Sealants

Resist mold and mildew in high-humidity environments

10 products

Self-Leveling Chemical-Resistant Sealants

Flow easily into cracks for a smooth finish and resist harsh chemicals, such as sulfuric acid

5 products

Non-Hardening Caulk

Stays pliable while keeping out moisture

11 products

Structural Submersible Sealants

The strongest submersible sealants we offer

4 products

Caulking Tape

Press into place for an immediate, light duty seal

1 product

Self-Leveling Silicone Rubber Sealants with Material Certification

Thinner than non-sagging silicone sealants to flow easily into cracks for a smooth finish

1 product

Optically Clear All-Weather Application Sealants

Apply in cold and wet weather and let light pass through for use with solar cells and fiber optics

1 product

Oil-Resistant Sealants

Won't degrade from exposure to oil

3 products

Low-Outgassing Silicone Rubber Sealants

Release almost no volatile emissions that could damage sensitive electronics, even in a vacuum

2 products

Structural Silicone Rubber Sealants

Stronger than standard silicone sealants

4 products

Noncorrosive Silicone Rubber Sealants with Material Certification

Won't discolor copper, brass, or concrete

1 product

Structural Oil- and Fuel-Resistant Sealants

Our strongest oil- and fuel-resistant sealants for assembling and repairing fuel systems and tanks

2 products

Caulk

Seal and fill cracks and voids

3 products

Metal- and X-Ray-Detectable Structural Noncorrosive Silicone Rubber Sealants

Locate a piece if it falls in your food line using metal detectors and X-ray machines

1 product

All-Weather Application Sealants

Apply on wet surfaces and in cold temperatures

1 product

Puncture-Resistant Sealants

Resist punctures, cuts, and abrasion from heavy wear and tampering

4 products

Structural Noncorrosive Silicone Rubber Sealants

Our strongest noncorrosive sealants

3 products

Structural Silicone Rubber Sealants with Material Certification

Stronger than standard silicone sealants

2 products

Roof Joint Sealants

Self-Leveling Roof Joint Sealants

Thinner than non-sagging roof joint sealants to flow easily into cracks for a smooth finish

3 products

All-Weather Application Roof Joint Sealants

Fix roof leaks even in cold and wet weather

2 products

Roof Joint Sealants

Seal roof joints to keep out the elements

2 products

Glass Sealants

UV-Resistant Glass Sealants

Won't degrade in sunlight

4 products

Glass Sealing Rope

Press into place to seal leaks and hold glass in window frames

1 product

Structural Glass Sealants

Support glass under heavy loads in equipment and buildings

2 products

Impact-Resistant Structural Glass Sealants

Withstand impact within hours of application for repairing vehicle and equipment windows

4 products

Concrete Joint Sealants

High-Strength Self-Leveling Concrete Joint Sealants

Flow easily into cracks for a smooth finish and withstand wear and tear in high-traffic areas

10 products

High-Strength Concrete Joint Sealants

Stand up to heavy wear and tear, such as steel wheel traffic

7 products

Concrete Joint Sealants

Seal joints and gaps in concrete

4 products

All-Weather Application Concrete Joint Sealants

Apply on wet surfaces and in cold temperatures

2 products

Self-Leveling All-Weather Application Concrete Joint Sealants

Apply in wet and cold weather and flow easily into cracks for a smooth finish

2 products

HVAC Sealants

Form water-resistant seals on metal, plastic, and rubber joints in HVAC applications

3 products

Other Products

Potting Compounds

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

54 products

Instant-Bond Adhesives

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

144 products

Structural Adhesives

Epoxy, acrylic, urethane, and other adhesives strong enough to replace screws and rivets

172 products

Protective Coatings

Shield surfaces from the surrounding environment

50 products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

43 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

42 products

Contact Adhesives

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

44 products

Construction Adhesives

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

17 products

Adhesive and Sealant Assortments

A collection of adhesives for routine maintenance and quick repairs

1 product

Sealant Primers

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

3 products

Caulk Guns

Cartridge, sausage-pack, and bulk-load caulk guns

6 products

Surface-Preparation Cleaners

Clean and degrease surfaces so paint, coatings, adhesives, and cement will stick

2 products

Footwear Adhesives

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

1 product

Repair and Duct Tape

Permanently join or seal surfaces

27 products

Backer Rods

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

27 products

Protective Clothing Tape

Patch rips and seal gloves, boots, and respirators to clothing

1 product

Sealing Washers

Prevent fluids from leaking around fasteners

572 products

Caulk Gun Nozzles

Attach to caulk guns to change the shape and amount of sealant that's dispensed

1 product

Drain Gaskets

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

3 products

Glue

The first choice for everyday bonding and repairs

9 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

4 products

Adhesive Cement

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

3 products

Hot Glue

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

15 products

Magnet-Receptive Sheets

Cut with scissors to form custom nonmetallic, nonmagnetic surfaces that magnets will stick to

3 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

7 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

13 products

Protective Film and Tape

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

27 products

Roof Coatings

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

5 products

Fire Stops

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

3 products

Mounting Adhesives

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

29 products

Paint

Renew, enhance, protect, and change the color of surfaces

6 products

Drum Patches

Patch drum leaks to prevent their contents from spilling

2 products

Label-Protecting Tape

Protect labels from moisture, oil, solvents, alkalies, and most acids

5 products

Electrically Insulating Adhesives

Secure hardware on circuit boards while insulating current

4 products

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

8 products

Masking Tape

Temporarily join or protect surfaces

1 product

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

2 products

Low-Friction Tape

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

5 products

Floor Finish Applicators

Evenly spread coatings, wax, varnish, and oil across floors

16 products

Antislip Tape

Add traction to smooth surfaces, such as floors, rollers, and ladder handrails

11 products