Plastic Insulation | McMaster-Carr

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Calcium Sulfate (Gypsum)

Methyl Isobutyl Ketone (MIBK)

Parachlorobenzotrifluoride (PCBTF)

Carbon-Filled Polyethylene

Cellulose

Cellulose Nitrate

Cork Fiber-Reinforced PVC

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Cross-Linked Polyethylene Foam

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Fiberglass-Reinforced Polyester Fabric

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15,590 Products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

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

284 products

Insulation Sheets

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

60 products

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

125 products

Heat Barriers

Protect equipment and surfaces from damage caused by nearby heat sources

5 products

HVAC Tape

Seal and patch insulation and duct

3 products

Raw Materials

Plastic

A lightweight alternative to metal and glass

7,735 products

Foam

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

536 products

Felt

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

24 products

Fastening and Joining

Insulating Washers

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

243 products

Washers

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

1,032 products

Lock Washers

Resist vibration to prevent fasteners from loosening

9 products

Finishing Washers

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

14 products

Sealing Washers

Prevent fluids from leaking around fasteners

11 products

Standoffs

Separate, position, or connect components in assemblies

960 products

Spacers

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

1,308 products

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

23 products

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

1 product

Screwdrivers

Tighten and loosen screws

56 products

Screw Starters

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

3 products

Nutdrivers

Tighten and loosen nuts and bolts

16 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

2 products

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

1 product

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

1 product

Repair and Duct Tape

Permanently join or seal surfaces

15 products

Mounting Tape

Mount everything from signs and panels to carpet and padding

87 products

Masking Tape

Temporarily join or protect surfaces

113 products

TIG Torch Insulators

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

11 products

Construction Adhesives

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

4 products

Electrical Power, Networking, and Controlling

Wire Sleeving

Bundle wiring and protect from abrasion and heat

518 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

792 products

Heat-Shrink Tubing Splitters

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

23 products

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

22 products

Electrical Tape

Insulate wire and cable splices, wrap wire harnesses, and repair cable jacketing

53 products

Heat-Shrink Tubing Seal Wrap

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

1 product

Terminal Covers

Block out dirt and corrosion to protect battery terminals

17 products

Conductive Tape

Shield cables and electronic components from electromagnetic interference (EMI)

10 products

Electrical Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

3 products

Thermal Interface Tape

Made of polyimide to isolate electricity while the silicone rubber conducts heat

6 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

17 products

Wire and Cable Strippers

Remove the outer insulation on wire and cable

2 products

Switch Padding

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

1 product

Building and Machinery Hardware

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

18 products

Sound Barrier Sheets

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

11 products

Vibration-Damping Sheets and Tape

Stick to vibrating surfaces such as duct, between parts, or on floor joists to reduce noise

29 products

Protective Film and Tape

Adhere to surfaces to keep them free of scratches, chemicals, moisture, and germs

70 products

Edge Trim

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

169 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

61 products

Surface Guards

Protect walls and other flat surfaces from impact

30 products

Corner Guards

Shield corners on walls and other surfaces from impact

21 products

Wear Plates

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

12 products

Tubing Guards

Safeguard pipe, tubing, and other round equipment from impact

3 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

Vibration-Damping Pads

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

39 products

Vibration-Damping Mounts

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

36 products

Ceiling Tiles

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

4 products

Weatherstripping

Seal gaps around doors, windows, and frames

71 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

Window Film

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

41 products

T-Slotted Framing Cable Holders

Route wire, cable, and tubing along T-slotted rails

12 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

End Cutters

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

1 product

Cable Cutters

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

1 product

Bolt Cutters

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

2 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

3D Printer Build Surfaces

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

30 products

Pry Bars

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

1 product

Files

Debur, polish, and sharpen nearly any material

1 product

Hacksaws

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

1 product

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

2 products

Low-Friction Tape

Create a slippery lining to keep parts moving or use as a release surface on heat sealers and molds

404 products

Conveyor Brushes

Position items on conveyor belts and wipe off debris

114 products

Conveyor Guides

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

21 products

Conveyor Brush Holders

Mount conveyor brushes at point of use

1 product

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

Sealing

Sealants

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

65 products

Backer Rods

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

32 products

Gasket Tape

Seal openings such as those around windows, enclosures, and pipe flanges to prevent leaks

8 products

Safety Equipment

Protective Clothing Tape

Patch rips and seal gloves, boots, and respirators to clothing

1 product

Fire Stops

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

6 products

Measuring and Inspecting

Inspection Mirrors

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

1 product

Fluid Handling

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

Surface Fillers

Repair chips, cracks, and tears in various surfaces

28 products

Lighting

Light Filters

Change light color, reduce glare, or filter out light

10 products

Black-Out Paper and Tape

Block out stray and unwanted light

7 products