Plastic Fillers | McMaster-Carr

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Bricks

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Electronics

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Hard-to-Bond Materials

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DFARS Specialty Metals

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3,930 Products

Most Likely Products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

82 products

Additives and Fillers

Mix into coatings, resins, polymers, and metal to boost strength, conductivity, and lubricity

23 products

Sealants

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

215 products

All Results

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

82 products

Wallpaper Brushes

Spread on paste and smooth wrinkles to mount wallpaper

1 product

Sealant Removers

Clean sealant and caulk off tools and other surfaces

1 product

Bottle Fillers

Fill water bottles using chillers or other water sources to cut down on single-use plastic bottles

12 products

Seam Rollers

Press down the seams where wall coverings meet for a smooth, continuous appearance

4 products

Drywall Patches

Stick over holes in drywall and cover with drywall compound for quick repairs

3 products

Drywall Tape

Apply to seams and corners before spreading drywall compound for a finished appearance

2 products

Trowels

Spread and scrape mortar, concrete, drywall, and adhesives

9 products

Concrete Curing Vibrators

Increase the strength of concrete mix by shaking trapped air loose

1 product

Grout Floats

Smooth and spread grout between tiles

1 product

Brooms

Sweep up dust, dirt, and other debris

2 products

Raw Materials

Additives and Fillers

Mix into coatings, resins, polymers, and metal to boost strength, conductivity, and lubricity

23 products

Fumed Silica

Commonly used as a thickener, desiccant, and mild abrasive

1 product

Diatomaceous Earth

Typically used as a sorbent, mild abrasive, filtration aid, and insecticide

1 product

Aluminum Oxide

Commonly used as an abrasive for grinding, sanding, and polishing

1 product

Molybdenum Disulfide

Apply directly to lubricate parts or mix into other substances to increase their lubricity

1 product

Corn Starch

Often used as a thickener, mold-release agent, and soft abrasive blasting media

3 products

Pumice

Often used to polish surfaces and as a component in plaster and concrete to make them lighter weight

2 products

Sodium Carbonate

Often used in pH control, disinfectants, and flue gas purification; also known as soda ash

3 products

Calcium Chloride

Often mixed with concrete so it sets faster as well as spread over roads to melt ice and absorb dust

2 products

Calcium Carbonate

Often used as a buffing and polishing agent and abrasive blasting media

2 products

Bentonite

Often used to increase the plasticity of ceramics and purify water

2 products

Magnesium Sulfate

Often used to regulate viscosity in soaps and detergents; also known as Epsom Salt

2 products

Hydrated Lime

Often used to make building materials, such as mortars and cement, and to treat air and water

2 products

Copper Sulfate

Often used as an algicide, in electroplating solutions, and to remove water from organic compounds

2 products

Foam

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

1,635 products

Sealing

Sealants

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

215 products

Backer Rods

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

32 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

100 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

6 products

Caulk Guns

Cartridge, sausage-pack, and bulk-load caulk guns

25 products

Caulk Gun Nozzles

Attach to caulk guns to change the shape and amount of sealant that's dispensed

4 products

Backer Rod Insertion Tools

Quickly set foam backer rods in caulk joints at a consistent depth without puncturing them

1 product

Gasket Tape

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

36 products

Fastening and Joining

Instant-Bond Adhesives

Also known as super glue, these adhesives create strong bonds in under 90 seconds

170 products

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

197 products

Footwear Adhesives

Repair rips, split seams, and detached soles to stop leaks in shoes, boots, and waders

1 product

Hot Glue

Melt for rapid bonds in a range of applications, from packaging to woodworking

24 products

Retaining Compounds

Fill gaps to bond shafts, bearings, press-fit assemblies, and other cylindrical metal parts

80 products

Contact Adhesives

Apply adhesive, air dry, and bring surfaces together to bond

41 products

Adhesive Cement

Form strong bonds on plastic, rubber, ceramic, and other materials

25 products

Adhesive Dispensing Gun Nozzles

Pair with cartridges in dispensing guns to control the flow of adhesive

75 products

Adhesive Dispensing Gun Cartridge Plungers

Pair with syringes or dispensing-gun cartridges to push adhesive out

6 products

Adhesive Dispensing Gun Cartridges

Fill and then mount in dispensing guns to apply adhesives to surfaces

34 products

Adhesive Dispensing Guns

Apply beads of adhesive from a cartridge to surfaces

4 products

Construction Adhesives

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

15 products

Adhesive and Sealant Assortments

A collection of adhesives for routine maintenance and quick repairs

1 product

Glue

The first choice for everyday bonding and repairs

24 products

Anchoring Adhesives

Permanently set threaded rods, studs, and rebar in concrete

3 products

Mounting Adhesives

Mount objects with a range of adhesives, including glue-on-a-roll and glue shapes

66 products

Hot Air Welding Rods

Melt with heat from a welder to create joints between pieces of plastic

98 products

Repair and Duct Tape

Permanently join or seal surfaces

26 products

Electrical Power, Networking, and Controlling

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Thermal Interface Material

Dissipate heat away from electronic components

14 products

Battery Filler Gun Couplers

Replace the coupler on your battery filler gun to connect to a garden hose

1 product

Battery Vent Caps

Flip open to check water levels and fill wet-cell batteries

1 product

Battery Fillers

Add distilled water to wet-cell lead acid batteries to maintain their performance

9 products

Battery Filler Guns

Fasten to a battery filler or hose to fill wet-cell lead acid batteries in hard-to-reach places

2 products

Electrically Insulating Adhesives

Secure hardware on circuit boards while insulating current

8 products

Conductive Adhesives

Bond electrical components and repair circuits

1 product

Containers, Storage, and Furniture

Pipette Pumps

Use with a pipette to comfortably draw and dispense exact quantities with one hand

9 products

Bulk Dispensers

Quickly dispense large amounts of material

8 products

Drywall Compound Pans

Mix small batches of drywall compound and bring them to your work area; also known as mud pans

1 product

Concrete Mixing Boxes

Mix concrete in seamless boxes that won't crack or leak

2 products

Tank Patches

Spin with a handheld electric router to seal holes in plastic tanks and containers

4 products

Well Plate Fillers

Fill and dispense 96 wells all at once

1 product

Material Handling

Expanding Foam

Conforms to and cushions items in boxes to keep them from banging around the box during transit

7 products

Foam Wrap

Cushion items with less bulk than bubble wrap to protect them while shipping and storing

15 products

Packing Peanuts

Loosely fill the space around items in boxes to reduce shifting and impact during transit

2 products

Corrugated Sheets

Slide between pallets and stacked items to protect them from damage or reinforce the bottom of boxes

10 products

Packing Paper

Guard items from scratches and stop food from sticking during manufacturing, shipping, and storing

16 products

Bubble Wrap

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

16 products

Shipping Box Liners

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

5 products

Protective Shipping Box Inserts

Fit snugly around glass bottles to absorb shock better than bubble wrap and air pillows

3 products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

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

481 products

Insulation Sheets

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

126 products

Building and Machinery Hardware

Protective Film and Tape

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

90 products

Fabricating and Machining

Drywall Knives

Smoothly spread drywall compounds and also scrape off paint and debris

1 product