Plastic Insulation | McMaster-Carr

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Aluminum

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18,364 Products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

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

511 products

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

123 products

Thermal Insulation Sheets

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

73 products

Raw Materials

Foam

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

1,665 products

Plastic

A lightweight alternative to metal and glass

7,786 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

162 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

638 products

Felt

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

25 products

Rubber

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

99 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

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

72 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

Separate, position, or connect components in assemblies

958 products

Spacers

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

1,307 products

Tape

Bind, seal, and mark surfaces

991 products

TIG Torch Insulators

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

11 products

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

2 products

Box Wrenches

Grip all sides of a fastener to prevent slipping

6 products

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

5 products

Adjustable Wrenches

Adjust the jaws to fasten different size nuts, bolts, or workpiece

6 products

Screwdrivers

Tighten and loosen screws

70 products

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

4 products

Nutdrivers

Tighten and loosen nuts and bolts

16 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

2 products

Adhesives

Bond surfaces together

4 products

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

573 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

754 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

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

17 products

Terminal Covers

Block out dirt and corrosion to protect battery terminals

17 products

Wire and Cable Strippers

Remove the outer insulation on wire and cable

2 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

4 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

Fire Stops

Prevent fire and smoke from passing through holes in fire-resistant walls and floors

6 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

Ceiling Tiles

Create a new drop ceiling that allows access to pipes and wiring

4 products

Weatherstripping

Seal gaps around doors, windows, and frames

46 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

5 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

6 products

Window Film

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

39 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

15 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

39 products

Lubricating

Grease

Thicker than oil to evenly lubricate surfaces and stay in place

1 product

Fabricating and Machining

Scissors

Cut through a wide range of materials from paper and plastic to carpet and Kevlar

1 product

Pipe, Tube, and Hose Cutters

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

1 product

Cable Cutters

Slice through electrical, data, armored, coaxial, and fiber-optic cable

1 product

End Cutters

Wide jaws cut steel wire, nails, and small rivets close to the surface; also known as nippers

1 product

Bolt Cutters

Snip metal chain, bolts, rods, rivets, wire, and padlocks

1 product

Pry Bars

Slide under heavy objects to pry, lift, and position them

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

Picks

Hold, separate, and position small parts such as wire and springs

5 products

Awls

Punch through soft materials and scribe lines in metal and wood

1 product

Hacksaws

Blades have more teeth per inch than handsaws to cut through metal and plastic more smoothly

1 product

Files

Deburr, polish, and sharpen nearly any material, such as metal, plastic, ceramic, and wood

1 product

Sealing

Backer Rods

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

35 products

Sealants

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

62 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

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 Brushes

Position items on conveyor belts and wipe off debris

114 products

Conveyor Brush Holders

Mount conveyor brushes at point of use

1 product

Conveyor Guides

Direct and position items on conveyors while keeping them from falling off

21 products

Measuring and Inspecting

Inspection Mirrors

Reach around corners and obstructions to inspect hard-to-see areas

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

Lighting

Light Filters

Change light color, reduce glare, or block ultraviolet light

7 products

Facility and Grounds Maintenance

Sink Pipe Covers

Prevent burns from hot water pipes

3 products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

14 products

Linear Bearings

Minimize friction as parts move along a shaft

3 products