Rubber Potting Compounds | McMaster-Carr

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Polyurethane Rubber

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0.06 W/(m⋅°C)

0.16 W/(m⋅°C)

0.18 W/(m⋅°C)

0.19 W/(m⋅°C)

0.2 W/(m⋅°C)

0.29 W/(m⋅°C)

0.3 W/(m⋅°C)

0.31 W/(m⋅°C)

0.51 W/(m⋅°C)

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37 Products

Potting Compounds

Ready-to-Use Silicone Rubber Potting Compounds

Ready-to-Use Silicone Rubber Potting Compounds

No mixing required—these potting compounds come ready to apply

Urethane Potting Compounds

Urethane Potting Compounds

The best choice for cold-temperature applications

Two-Part Silicone Rubber Potting Compounds

Two-Part Silicone Rubber Potting Compounds

Mix the two components to start the curing process

Optically Clear Two-Part Silicone Rubber Potting Compounds

Optically Clear Two-Part Silicone Rubber Potting Compounds

Let light pass through while staying softer and more flexible than epoxy and urethane

Urethane Potting Compounds for Harsh Environments

Urethane Potting Compounds for Harsh Environments

Withstand permanent submersion in water—even salt water

Light-Activated Urethane Potting Compounds

Light-Activated Urethane Potting Compounds

Cure into a strong protective layer after 20 seconds under a UV light

Reusable Silicone Rubber Potting Compounds

Reusable Silicone Rubber Potting Compounds

Peel off without damaging equipment

Light-Activated Silicone Rubber Potting Compounds

Light-Activated Silicone Rubber Potting Compounds

Dry quickly when exposed to UV light and stay softer and more flexible than epoxy

Low-Outgassing Optically Clear Two-Part Silicone Rubber Potting Compounds

Low-Outgassing Optically Clear Two-Part Silicone Rubber Potting Compounds

Produce almost no volatile emissions while letting light pass through

Other Products

Structural Adhesives

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

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