Elastomers | McMaster-Carr

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System of Measurement

Width

Thickness

Material

Color

Black/Fluorescent Yellow

Black/Glow-in-the-Dark Yellow

Black/Reflective Yellow

Hardness

Hardness Rating

Shape

Panel-Mount Mil. Spec. Connector

Cross Section Shape

Backing Type

Maximum Temperature

Length

Dash Number

Performance

Electrically Insulating

Minimum Temperature

For Use With

Diluted Salt Solutions

Grooved-End Pipe Fittings

Liquid Insecticides

Magnetic Workholding Chucks

Magnetic Workholding Plates

Nuts

Salt Solutions

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

Texture

Environment

For Use Outdoors

28,886 Products

Raw Materials

Rubber

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

6,206 products

Foam

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

2,662 products

Sealing

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

494 products

EMI/RFI Shielding Gaskets

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

104 products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

756 products

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

8 products

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

3 products

Cord Stock

Cut to length to create customized seals

470 products

O-Rings

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

13,862 products

Sealants

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

241 products

Edge Seals

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

529 products

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

191 products

O-Ring Bonding Kits

Everything needed to make O-rings

41 products

Power Transmission

Compression Springs

When squeezed, springs push back to their original length

83 products

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

19 products

Die Springs

Support heavy loads with minimal compression in high-impact jobs such as punching and stamping

21 products

Extension Springs

When stretched, springs pull their ends back together

33 products

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,727 products

Surface Guards

Protect walls and other flat surfaces from impact

54 products

Edge Trim

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

114 products

Weatherstripping

Seal gaps around doors, windows, and frames

49 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

572 products

Glue

The first choice for everyday bonding and repairs

8 products

Structural Adhesives

Epoxy, acrylic, urethane, and other adhesives strong enough to replace screws and rivets

144 products

Instant-Bond Adhesives

Also known as super glue, these adhesives create strong bonds in under 90 seconds

144 products

Adhesive Cement

Form strong bonds on plastic, rubber, ceramic, and other materials

2 products

Mounting Adhesives

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

23 products

Construction Adhesives

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

13 products

Contact Adhesives

Apply adhesive, air dry, and bring surfaces together to bond

36 products

Hot Glue

Melt for rapid bonds in a range of applications, from packaging to woodworking

13 products

Electrical Power, Networking, and Controlling

Potting Compounds

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

34 products

Electrically Insulating Adhesives

Secure hardware on circuit boards while insulating current

4 products

Thermal Interface Material

Dissipate heat away from electronic components

38 products

Fabricating and Machining

Casting Compounds

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

18 products

Prototyping Foam

Carve, mill, or sand into lightweight parts for testing

27 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

92 products

Measuring and Inspecting

O-Ring Gauges

Identify the size of your O-ring

4 products