Plastic Insulation | McMaster-Carr

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Aramid/Fiberglass Fabric

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Electrically Insulating

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16,597 Products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

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

623 products

Thermal Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

66 products

Raw Materials

Foam

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

1,658 products

Plastic

A lightweight alternative to metal and glass

7,793 products

Felt

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

25 products

Fastening and Joining

Insulating Washers

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

245 products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

1,023 products

Lock Washers

Resist vibration to prevent fasteners from loosening

9 products

Sealing Washers

Prevent fluids from leaking around fasteners

11 products

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

14 products

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

963 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

1,307 products

Tape

Bind, seal, and mark surfaces

748 products

TIG Torch Insulators

Seal between TIG nozzles and torches to stop gas from escaping and protect torch parts from heat

11 products

Safety Equipment

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

39 products

Sound Barrier Sheets

Block and reflect noise to keep it from reaching other parts of your facility

11 products

Vibration-Damping Sheets

Stick to duct, housings, and other vibrating equipment to reduce noise

10 products

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

517 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

751 products

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

26 products

Heat-Shrink Tubing Splitters

Insulate and seal where wire splits off from cable; also known as breakout boots

23 products

Heat-Shrink Tubing Seal Wrap

Wrap around wire like tape to create a moisture resistant seal before adding heat-shrink tubing

1 product

Electrical-Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

3 products

Terminal Covers

Block out dirt and corrosion to protect battery terminals

18 products

Thermal Interface Material

Dissipate heat away from electronic components

6 products

Switch Padding

Trigger an emergency stop when robot arms contact a worker or object

5 products

Building and Machinery Hardware

Protective Film

Temporarily adhere to surfaces to protect them from scratches, nicks, and dirt

24 products

Surface Guards

Protect walls and other flat surfaces from impact

77 products

Edge Trim

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

175 products

Tubing Guards

Safeguard pipe, tubing, and other round equipment from impact

2 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

66 products

Corner Guards

Shield corners on walls and other surfaces from impact

43 products

Wear Plates

Often used on conveyors to reduce friction where parts bump into equipment to extend service life

12 products

Wall Bases

Protect the bottom of walls from foot traffic and impact

11 products

Ceiling Tile Sound Barriers

Lay over ceiling tiles to block sound

1 product

Window Film

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

39 products

Door Drip Guards

Divert rain and snow away from door openings

3 products

Vibration-Damping Mounts

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

36 products

Vibration-Damping Pads

Place under machinery to reduce vibration and noise, extending service life and protecting floors

18 products

Sealing

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

35 products

Edge Seals

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

40 products

Material Handling

Bubble Wrap

Air bubbles cushion fragile items better than foam to protect them while shipping and storing

1 product

Shipping Box Liners

Line cardboard boxes to keep the items inside at a consistent temperature

5 products

Envelopes

Standard, bubble-lined, and paper-padded for mailing or shipping documents and other items

0 products

Pipe Routing Saddles

Clip to strut channel to cradle insulated tubing and pipe

6 products

Dock Door Shelters

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

4 products

Dock Door Seals

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

9 products

Conveyor Brush Holders

Mount conveyor brushes at point of use

1 product

Fabricating and Machining

Pipe, Tube, and Hose Cutters

Make clean cuts in pipe, tube, hose, and conduit

1 product

3D Printer Build Surfaces

Stick on top of printer beds for more accurate parts than those made on bare beds

28 products

Wire-Gripping Pliers

Pull, bend, and cut wire; also known as lineman's pliers

1 product

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

9 products

Wraparound Heaters

Wrap around drums, pails, and other containers to indirectly warm their contents

30 products

Facility and Grounds Maintenance

Sink Pipe Covers

Prevent burns from hot water pipes

3 products

Lighting

Light Filters

Change light color, reduce glare, or block ultraviolet light

5 products