Silicone Rubber Seals | McMaster-Carr

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4,820 Products

Sealing

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Gasket Tape

Stick in place around doors, enclosures, and vents to create a leak-resistant seal

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Hose Coupling Gaskets

Hose Coupling Gaskets

Form tight seals on cam-and-groove, grip-lock, and twist-claw hose connections

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

EMI/RFI Shielding Gaskets

EMI/RFI Shielding Gaskets

Fit around enclosure doors or data connectors to prevent inaccurate signals and flickering displays

Sealants

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

Sealant Primers

Sealant Primers

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

Raw Materials

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Building and Machinery Hardware

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

Grommets

Insert into holes with rough edges to protect wire, cable, and cords from cuts and tears

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Weatherstripping

Weatherstripping

Seal gaps around doors, windows, and frames

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

Cover holes at the end of pipe, conduit, and fittings to keep out debris

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Spacers

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

Adhesives

Bond surfaces together

Adhesive Primers

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

Tape

Bind, seal, and mark surfaces

Electrical

Potentiometer Panel Seals

Potentiometer Panel Seals

Keep moisture and dust out of potentiometers

Wire Sleeving

Bundle wiring and protect from abrasion and heat

Electrical Enclosure Plugs

Electrical Enclosure Plugs

Cover unused holes in enclosures to keep out dust, dirt, and moisture

Potting Compounds

Potting Compounds

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

Conformal Coatings

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

Thermal Interface Material

Thermal Interface Material

Dissipate heat away from electronic components

Facility and Grounds Maintenance

Protective Coatings

Protective Coatings

Shield surfaces from the surrounding environment

Paint

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

Roof Coatings

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)