Liquid Silicone Rubber | McMaster-Carr

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Reaches Full Strength

181 Products

Fabricating and Machining

Casting Compounds

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

18 products

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Sealants

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

116 products

Facility and Grounds Maintenance

Protective Coatings

Shield surfaces from the surrounding environment

4 products

Roof Coatings

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

2 products

Electrical Power, Networking, and Controlling

Potting Compounds

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

27 products

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Construction Adhesives

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

1 product

Adhesive and Sealant Assortments

A collection of adhesives for routine maintenance and quick repairs

1 product

Glue

The first choice for everyday bonding and repairs

1 product

Mounting Adhesives

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

8 products