Silicone | McMaster-Carr

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5,346 Products

Sealing

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

Gasket Makers

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

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Gasket Tape

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

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

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

Edge Seals

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

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

Fabricating and Machining

Casting Compounds

Casting Compounds

Mix and pour into molds to capture intricate detail when casting parts, linings, and prototypes

Electrical

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

Wire Sleeving

Bundle wiring and protect from abrasion and heat

Thermal Interface Material

Thermal Interface Material

Dissipate heat away from electronic components

Lubricating

Grease

Thicker than oil to evenly lubricate surfaces and stay in place

Penetrating Lubricants

Penetrating Lubricants

Cut through dirt, grease, and rust to protect tools and components from wear

Dry-Film Lubricants

Dry-Film Lubricants

Goes on wet and dries to form a nonstick film that lubricates surfaces without attracting dust

Mold-Release Lubricants

Mold-Release Lubricants

Apply to molds before casting parts to prevent sticking, stretching, and tearing

Fluid Handling

Tubing

Flexible or rigid with thinner walls than pipe for carrying liquids and gases in short runs

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Fastening and Joining

Adhesives

Bond surfaces together

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Facility and Grounds Maintenance

Protective Coatings

Protective Coatings

Shield surfaces from the surrounding environment

Paint and Coating Removers

Paint and Coating Removers

Cut through paint and other coatings to clean up messes and prepare surfaces for finishing

Sealant Removers

Sealant Removers

Clean sealant and caulk off tools and other surfaces

Silicone Removers

Silicone Removers

Clear all traces of silicone from molds and molded parts

Building and Machinery Hardware

Edge Trim

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

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