Rod and Disc Insulation | McMaster-Carr

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System of Measurement

Thickness

0.001" to 0.003"

0.002" to 0.004"

0.004" to 0.006"

0.005" to 0.006"

Length

Width

Maximum Temperature

Less than 500° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F to 2,999° F

3,000° F or greater

Color

Black/Fluorescent Yellow

Material

Aramid/Fiberglass Fabric

Calcium Silicate

Flexibility

Continuous Flex

ID

Insulation Type

Sheet and Strip

Backing Type

OD

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Easy Thermoform

Electrically Insulating

Extra Strong Grip

Pipe Size

Wall Thickness

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -100° F

-99° F to 0° F

Greater than 0° F

Cell Type

For Use On

Electrical Components

Electrical Contacts

Enclosures and Equipment

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Density

Insulation R Value

Diameter

How can we improve?

30,568 Products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

Pipe Insulation

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

Thermal Insulation Sheets

Thermal Insulation Sheets

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

Heat Barriers

Protect equipment and surfaces from damage caused by nearby heat sources

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 Fill

Insulation Fill

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

Insulation Fencing

Insulation Fencing

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

Raw Materials

Foam

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

Fabric

Use to cover, clean, and insulate objects

Garolite

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

Plastic

A lightweight alternative to metal and glass

Ceramic

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

Felt

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

Fiberglass

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

Rubber

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

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

Aluminum

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

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

Threaded to separate or connect parts as well as position 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

Tape

Bind, seal, and mark surfaces

Sockets

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

Socket Adapters

Socket Adapters

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Box Wrenches

Grip all sides of a fastener to prevent slipping

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Adjustable Wrenches

Adjustable Wrenches

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

Bit Sockets

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

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

Retaining Ring Pliers

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

TIG Torch Insulators

TIG Torch Insulators

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

Weld-Backing Tape

Weld-Backing Tape

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

Adhesives

Bond surfaces together

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Electrical Insulating Varnish

Electrical Insulating Varnish

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

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

Electrical-Insulating Wire Caps

Electrical-Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

Heat-Shrink Tubing End Caps

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

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

Cold-Shrink Tubing End Caps

Cold-Shrink Tubing End Caps

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

Conformal Coatings

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

Terminal Blocks

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

Terminal Covers

Terminal Covers

Block out dirt and corrosion to protect battery terminals

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

Electrical Cable Repair Resins

Electrical Cable Repair Resins

Protect and insulate electrical cables and repair damaged insulation

Capacitor Boots

Capacitor Boots

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

Thermal Interface Material

Thermal Interface Material

Dissipate heat away from electronic components

Wire and Cable Strippers

Wire and Cable Strippers

Remove the outer insulation on wire and cable

Sealing

Rope Seals

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

Edge Seals

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

Sealants

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

Backer Rods

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

Caulk Gun Sleeves

Caulk Gun Sleeves

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

Safety Equipment

Acoustic Insulation

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

Vibration-Damping Sheets

Vibration-Damping Sheets

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

Sound Barrier Partitions

Sound Barrier Partitions

Stand in noisy areas to block and reflect sound

Sound Barrier Sheets

Sound Barrier Sheets

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

Vibration-Damping Coatings

Vibration-Damping Coatings

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

Heat-Resistant Blankets

Heat-Resistant Blankets

Drape over surfaces or wrap around parts to protect them from flames, sparks, and weld spatter

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

Building and Machinery Hardware

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

Protective Film

Protective Film

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

Edge Trim

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

Surface Guards

Protect walls and other flat surfaces from impact

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Tubing Guards

Safeguard pipe, tubing, and other round equipment from impact

Corner Guards

Shield corners on walls and other surfaces from impact

Door Edge Plates

Door Edge Plates

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

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

Panel Connecting Trim

Panel Connecting Trim

Connect two panels while protecting the edges from damage

Door Kick Plates

Door Kick Plates

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

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

Weatherstripping

Weatherstripping

Seal gaps around doors, windows, and frames

Door Drip Guards

Door Drip Guards

Divert rain and snow away from door openings

Threshold Ramps

Threshold Ramps

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

Thresholds

Transition between flooring surfaces and reduce gaps between doors and floors

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

Doors

Everything from single to double to two-way swinging doors

Access Panels

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

Fabricating and Machining

Firebricks

Insulate furnaces to minimize heat loss while adding flame resistance

Firebrick Repair Coatings

Firebrick Repair Coatings

Renew heat resistance and performance of worn firebrick

$Refractory Cement$

Refractory Cement

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

Pipe, Tube, and Hose Cutters

Pipe, Tube, and Hose Cutters

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

Scissors

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

Cable Cutters

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

End Cutters

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

Bolt Cutters

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

Wire Rope Cutters

Wire Rope Cutters

Slice through metal wire rope, leaving the rest intact

Picks

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

Long-Nose Pliers

Long-Nose Pliers

Grab, bend, and position wire and other small parts

Plier Sets

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

Slip-Joint Pliers

Slip-Joint Pliers

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

Wire-Gripping Pliers

Wire-Gripping Pliers

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

Adjustable Pliers

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

Wire-Forming Pliers

Wire-Forming Pliers

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

3D Printer Build Surfaces

3D Printer Build Surfaces

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

Files

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

Pry Bars

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

Awls

Punch through soft materials and scribe lines in metal and wood

Hacksaws

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

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

Tube and Tube Fittings

Tube and Tube Fittings

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

Material Handling

Shipping Box Liners

Shipping Box Liners

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

Bubble Wrap

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

Envelopes

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

Pipe Hangers

Suspend pipe, conduit, and tube from threaded rods, hooks, and straps

Pipe Routing Saddles

Pipe Routing Saddles

Clip to strut channel to cradle insulated tubing and pipe

Conveyor Brushes

Conveyor Brushes

Position items on conveyor belts and wipe off debris

Conveyor Brush Holders

Conveyor Brush Holders

Mount conveyor brushes at point of use

Conveyor Guides

Conveyor Guides

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

Dock Door Shelters

Dock Door Shelters

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

Robot Safety Padding

Robot Safety Padding

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

Dock Door Seals

Dock Door Seals

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

Facility and Grounds Maintenance

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

Sink Pipe Covers

Sink Pipe Covers

Prevent burns from hot water pipes

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

Lighting

Light Filters

Change light color, reduce glare, or block ultraviolet light

Black-Out Paper

Black-Out Paper

Block out stray and unwanted light

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.)