Expanding Rubber | McMaster-Carr

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632 Products

Fluid Handling

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

338 products

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

133 products

Building and Machinery Hardware

Protective Plugs

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

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Material Handling

Expanding Foam

Conforms to and cushions items in boxes to keep them from banging around the box during transit

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Fabricating and Machining

Casting Compounds

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

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Fastening and Joining

Adhesives

Bond surfaces together

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Tape

Bind, seal, and mark surfaces

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Heating, Ventilation, and Air Conditioning

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

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