Insulation | McMaster-Carr

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System of Measurement

Thickness

0.001" to 0.003"

0.002" to 0.004"

Width

Length

Material

Calcium Carbonate

Calcium Silicate

Color

Black/Fluorescent Yellow

Black/Glow-in-the-Dark Yellow

Black/Reflective Yellow

Maximum Temperature

Less than 1,000° F

1,000° F to 1,999° F

2,000° F to 2,999° F

3,000° F to 3,999° F

4,000° F or greater

Flexibility

Continuous Flex

Backing Type

Performance

Abrasion Resistant

Adjustable Angle

Adjustable Hardness

Any Orientation

Changeable Shaft

Chemical Resistant

Component Concealing

ID

Pipe Size

OD

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -100° F

-99° F to -1° F

Greater than 0° F

Wall Thickness

RoHS

Compliant with Exemptions

REACH

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Cell Type

Hardness Rating

For Use On

Electrical Components

Electrical Contacts

Enclosures and Equipment

Hardness

Durometer 30 OO

Durometer 40 OO

Durometer 50 OO

Durometer 60 OO

Durometer 70 OO

Durometer 75 OO

Durometer 80 OO

Texture

Directional Fissured

Fine Crisscross

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37,548 Products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

Pipe Insulation

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

Insulation Sheets

Insulation Sheets

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

Pipe Insulation Jacketing

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

Heat Barriers

Protect equipment and surfaces from damage caused by nearby heat sources

Insulation Fill

Insulation Fill

Blow into walls to fill gaps in existing insulation, or mix as a filler in insulating cement

Pipe Insulation Banding

Pipe Insulation Banding

Strap around pipe insulation to keep it in place

Spray Foam Insulation

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

Insulation Hanger Studs

Insulation Hanger Studs

Press insulation sheets onto the spike to secure them to walls and other flat surfaces

Pipe Insulation Repair Strips

Pipe Insulation Repair Strips

Patch and protect damaged pipe insulation

Insulation Fencing

Insulation Fencing

Made of pliable mesh for securing insulation blankets, covers, and jackets

HVAC Tape

Seal and patch insulation and duct

Raw Materials

Foam

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

Plastic

A lightweight alternative to metal and glass

Garolite

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

Fiberglass

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

Aramid

Strong, lightweight, and an excellent thermal insulator; also known as Nomex

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

Fabric

Use to cover, clean, and insulate objects

Rubber

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

Felt

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

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Mica

An electrical insulator that resists high temperatures; use in circuit breakers and heating elements

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

Fastening and Joining

Insulating Washers

Insulating Washers

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

Washers

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

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Lock Washers

Resist vibration to prevent fasteners from loosening

Finishing Washers

Finishing Washers

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

Standoffs

Separate, position, or connect components in assemblies

Spacers

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

Spring Pins

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

Thread

Sew pieces of fabric together

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

Adjustable Wrenches

Adjustable Wrenches

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Sockets

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

Bit Sockets

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

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Screwdrivers

Tighten and loosen screws

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Screw Starters

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

Nutdrivers

Tighten and loosen nuts and bolts

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Retaining Ring Pliers

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

Repair and Duct Tape

Repair and Duct Tape

Permanently join or seal surfaces

Masking Tape

Temporarily join or protect surfaces

Mounting Tape

Mount everything from signs and panels to carpet and padding

TIG Torch Insulators

TIG Torch Insulators

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

Welding Cable Covers

Welding Cable Covers

Protect the cables on your MIG or TIG guns from weld spatter

Weld-Backing Tape

Weld-Backing Tape

Stick to the back of welding seams to contain spatter and prevent gases from weakening the weld

Construction Adhesives

Construction Adhesives

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

Structural Adhesives

Structural Adhesives

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

Electrical Power, Networking, and Controlling

Wire Sleeving

Bundle wiring and protect from abrasion and heat

Electrical Tape

Electrical Tape

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

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Potting Compounds

Potting Compounds

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

Cold-Shrink Tubing

Cold-Shrink Tubing

Conforms to wire and cable without heat, creating a permanent, watertight seal

Heat-Shrink Tubing Splitters

Heat-Shrink Tubing Splitters

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

Heat-Shrink Tubing End Caps

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

Cold-Shrink Tubing End Caps

Cold-Shrink Tubing End Caps

Seal crimped electrical connections without heat or tools to protect against moisture

Heat-Shrink Tubing Seal Wrap

Heat-Shrink Tubing Seal Wrap

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

Terminal Blocks

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

Terminal Covers

Terminal Covers

Block out dirt and corrosion to protect battery terminals

Cable Repair Resins

Cable Repair Resins

Protect and insulate electrical cables and repair damaged insulation

Conductive Tape

Conductive Tape

Shield cables and electronic components from electromagnetic interference (EMI)

Electrical Insulating Wire Caps

Electrical Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

Electrical Insulating Varnish

Electrical Insulating Varnish

Coat wire and other metal electrical parts to protect them from oil, chemicals, and moisture

Conformal Coatings

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

Thermal Interface Material

Thermal Interface Material

Dissipate heat away from electronic components

Switch Padding

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

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

Capacitor Boots

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

Wire and Cable Strippers

Wire and Cable Strippers

Remove the outer insulation on wire and cable

Building and Machinery Hardware

Acoustic Insulation

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

Sound Barrier Sheets

Sound Barrier Sheets

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

Sound Barrier Partitions

Sound Barrier Partitions

Stand in noisy areas to block and reflect sound

Vibration-Damping Sheets and Tape

Vibration-Damping Sheets and Tape

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

Vibration-Damping Coatings

Vibration-Damping Coatings

Apply to irregularly shaped equipment and large areas to reduce noise from vibration

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Edge Trim

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

Protective Film and Tape

Protective Film and Tape

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

Surface Guards

Protect walls and other flat surfaces from impact

Corner Guards

Shield corners on walls and other surfaces from impact

Panel Connecting Trim

Panel Connecting Trim

Connect two panels while protecting the edges from damage

Wear Plates

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

Wall Bases

Protect the bottom of walls from foot traffic and impact

Tubing Guards

Safeguard pipe, tubing, and other round equipment from impact

Door Kick Plates

Door Kick Plates

Protect door bases from foot traffic and equipment; also known as armor and mop plates

Door Edge Plates

Door Edge Plates

Reinforce door edges to guard them against damage from foot traffic and equipment

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Vibration-Damping Pads

Vibration-Damping Pads

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

Leveling Mounts

Leveling Mounts

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

Weatherstripping

Weatherstripping

Seal gaps around doors, windows, and frames

Door Drip Guards

Door Drip Guards

Divert rain and snow away from door openings

Thresholds

Transition between flooring surfaces and reduce gaps between doors and floors

Threshold Ramps

Threshold Ramps

Create a gradual incline between uneven floor surfaces for wheelchairs and other wheeled equipment

Ceiling Tile Sound Barriers

Ceiling Tile Sound Barriers

Lay over ceiling tiles to block sound

Ceiling Tiles

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

Privacy Sprays

Block the view through windows by adding a frosted effect

Window Film

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

Access Panels

Install in ceilings, walls, concrete floors, and tanks to access and inspect inside

Strut Channel Routing Saddles

Strut Channel Routing Saddles

Clip to strut channel to cradle insulated tubing and pipe

T-Slotted Framing Cable Holders

T-Slotted Framing Cable Holders

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

Doors

Everything from single to double to two-way swinging doors

Sealing

Rope Seals

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

Sealants

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

Caulk Gun Sleeves

Caulk Gun Sleeves

Insulate your caulk gun so contents remain easy to dispense, even in cold weather

Backer Rods

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

Edge Seals

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

Gasket Tape

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

Fabricating and Machining

Firebricks

Insulate furnaces to minimize heat loss while adding flame resistance

$Refractory Cement$

Refractory Cement

Lay firebricks or set and repair cast iron and steel furnaces, heaters, stoves, and boilers

Firebrick Repair Coatings

Firebrick Repair Coatings

Renew heat resistance and performance of worn firebrick

Wire-Gripping Pliers

Wire-Gripping Pliers

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

Pliers Sets

A variety of pliers styles and sizes for whatever job comes up

Long-Nose Pliers

Long-Nose Pliers

Grab, bend, and position wire and other small parts

Picks

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

Wire-Forming Pliers

Wire-Forming Pliers

Loop and bend wire; also known as round-nose pliers

Slip-Joint Pliers

Slip-Joint Pliers

Adjust the pivot point to switch between two different jaw opening sizes

Adjustable Pliers

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

Scissors

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

Pipe, Tube, and Hose Cutters

Pipe, Tube, and Hose Cutters

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

End Cutters

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

Cable Cutters

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

Bolt Cutters

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

3D Printer Build Surfaces

3D Printer Build Surfaces

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

Pry Bars

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

Files

Debur, polish, and sharpen nearly any material

Hacksaws

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

Material Handling

Bubble Wrap

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

Shipping Box Liners

Shipping Box Liners

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

Envelopes

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

Low-Friction Tape

Low-Friction Tape

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

Conveyor Brushes

Conveyor Brushes

Position items on conveyor belts and wipe off debris

Conveyor Guides

Conveyor Guides

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

Conveyor Brush Holders

Conveyor Brush Holders

Mount conveyor brushes at point of use

Dock Door Seals

Dock Door Seals

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

Dock Door Shelters

Dock Door Shelters

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

Pipe Cradles

Add support to prevent insulation from tearing when routing insulated pipe through loop hangers

Lubricating

Grease

Thicker than oil to evenly lubricate surfaces and stay in place

Dry-Film Lubricants

Dry-Film Lubricants

Goes on wet and dries to form a nonstick film that lubricates surfaces without attracting dust

Coolants

Apply while machining to dissipate heat, remove shavings, and prevent corrosion

Fluid Handling

Thermocouple Insulating Sleeves

Thermocouple Insulating Sleeves

Protect thermocouple wire in extreme-temperature applications, such as die casting and heat treating

Thermocouple Connector Covers

Thermocouple Connector Covers

Shield thermocouple connectors from dust and debris

Tubing

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

Wraparound Heaters

Wraparound Heaters

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

Safety Equipment

Protective Clothing Tape

Protective Clothing Tape

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

Heat-Resistant Blankets

Heat-Resistant Blankets

Drape these blankets over machinery or hang them from walls to protect your workspace from sparks

Electrical Protection Blankets

Electrical Protection Blankets

Wrap around power lines and electrical equipment to shield workers from high voltage

Fire Stops

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

Facility and Grounds Maintenance

Protective Coatings

Protective Coatings

Shield surfaces from the surrounding environment

Sink Pipe Covers

Sink Pipe Covers

Prevent burns from hot water pipes

Lighting

Black-Out Paper and Tape

Black-Out Paper and Tape

Block out stray and unwanted light

Light Filters

Change light color, reduce glare, or filter out light

Measuring and Inspecting

Inspection Mirrors

Inspection Mirrors

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

Insulation Testers

Insulation Testers

Measure insulation quality in motors, generators, and other electrical equipment

Power Transmission

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Ball Bearings

Create less friction than other bearings for use at high speeds

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)