Plastic Gaskets | McMaster-Carr

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Methyl Isobutyl Ketone (MIBK)

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6,632 Products

Most Likely Products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

441 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

109 products

Foam

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

1,766 products

Gasket Tape

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

56 products

All Results

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

441 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

109 products

Gasket Tape

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

56 products

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

63 products

EMI/RFI Shielding Gaskets

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

72 products

Hose Coupling Gaskets

Form tight seals on cam-and-groove, grip-lock, and twist-claw hose connections

21 products

Drain Gaskets

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

3 products

Gasket Makers

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

12 products

Made-to-Order Gaskets

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

4 products

Manway Gaskets

Create a tight seal between the nozzle and lid of tank car manways

4 products

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

2 products

Boiler Gaskets

Resist heat and steam to form a leak-resistant seal around closures on boilers

3 products

Edge Seals

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

40 products

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

95 products

O-Rings

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

1,433 products

Backup Rings

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

122 products

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

122 products

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

172 products

Packing Seal Lubricating Rings

Install between layers of packing seals to distribute lubricants evenly; also known as lantern rings

8 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

41 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

87 products

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

29 products

Head Seals

Maintain a seal even under fluctuating pressure; more reliable than an O-ring with a backup ring

11 products

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

67 products

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

22 products

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

54 products

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

54 products

Wear Ring Stock

Cut to make wear rings that fit any rod or bore to prevent uneven wear and extend the life of seals

12 products

Sealants

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

175 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

6 products

Raw Materials

Foam

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

1,766 products

Rubber

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

316 products

Felt

Thicker and more absorbent than fabric for insulating, polishing, cushioning, and gasketing

47 products

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

253 products

Edge Trim

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

203 products

T-Slotted Framing Seals

Fill gaps around doors and panels to keep air, dust, and liquid out of T-slotted framing structures

24 products

T-Slotted Framing Covers

Block dust and debris from entering T-slotted rails; add a wear- or slip-resistant surface

24 products

Weatherstripping

Seal gaps around doors, windows, and frames

48 products

Door Drip Guards

Divert rain and snow away from door openings

3 products

Thresholds

Transition between flooring surfaces and reduce gaps between doors and floors

4 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

30 products

Window Film

Apply to windows for privacy, insulation, less glare, and a lower chance of shattering

4 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

74 products

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

116 products

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

92 products

Adhesives

Bond surfaces together

6 products

Fabricating and Machining

Vacuum Workholding Plate Gasketing

Seal off the in-use areas of vacuum chucks

1 product

Facility and Grounds Maintenance

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

3 products

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

2 products

Urinal Flanges

Connect a urinal to your drainage system

2 products

Urinal Sealing Rings

Prevent leaks where urinals mount to the wall

1 product

Heating, Ventilation, and Air Conditioning

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

26 products

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

184 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

3 products

Material Handling

Dock Door Seals

Close the gap between dock doors and trailers to keep heated or cooled air in and dust out

9 products

Dock Door Shelters

Wrap around trailers where they meet dock doors to shield out the elements better than seals

4 products

Fluid Handling

Strainers

Install next to valves and pumps to catch debris in your line

6 products