Seam Sealers | McMaster-Carr

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For Use On

3D Printer Extruder Heating Elements

Bricks

Electrical Components

Color

For Joining

Maximum Temperature

Container Size

Manufacturer

Type

Formulation

Calcium Sulfate (Gypsum)

Manufacturer Model Number

Consistency

Mixing Required

For Use Outdoors

Begins to Harden

Reaches Full Strength

For Use With

Clarity

REACH

Width

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Minimum Temperature

Export Control Classification Number (ECCN)

Adhesive Type

Cure Type

Material

Lead-Base Coppered Babbitt

Lead-Free Pewter Alloy

Metal

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2,100 Products

Sealing

Sealants

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

246 products

Caulk Gun Nozzles

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

12 products

Caulk Guns

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

40 products

Sealant Primers

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

9 products

Backer Rods

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

35 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

181 products

Backer Rod Insertion Tools

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

2 products

Gasket Sealants

Seal gaskets on metal parts

7 products

Gasket Tape

Stick in place around doors, enclosures, and vents to create a leak-resistant seal

58 products

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

61 products

Fastening and Joining

Adhesives

Bond surfaces together

465 products

Cartridge Sealing Caps

Slip over the tips of adhesive and sealant cartridges to keep contents from hardening

1 product

Adhesive Dispensing Gun Nozzles

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

79 products

Glue Guns

Melt and dispense hot-melt glue

12 products

Tube Dispensers

Squeeze all the contents out of tubes

2 products

Adhesive Accelerators

Speed up the time it takes adhesives to reach full strength

12 products

Threadlockers

Coat threads on threaded fasteners to prevent loosening from impact and vibration

112 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

19 products

Retaining Compounds

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

43 products

Magnet-Receptive Sheets

Cut with scissors to form custom nonmetallic, nonmagnetic surfaces that magnets will stick to

3 products

Tape

Bind, seal, and mark surfaces

102 products

Weld-Backing Tape

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

11 products

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

106 products

Protective Coatings

Shield surfaces from the surrounding environment

140 products

Touch-Up Paint Pens

Cover scratches in paint and coatings

1 product

Wood Stains

Refresh and protect the appearance of wood surfaces by staining and sealing them

1 product

Leather Lubricants

Extend the life of leather; also known as castor oil

2 products

Fabric Coatings

Preserve the appearance of fabric by blocking liquids and UV rays

4 products

Leather Conditioners

Recondition, waterproof, and preserve leather; also known as neatsfoot oil

2 products

Protective Coating Primers

Prepare metal surfaces for powder coating

2 products

Roof Coatings

Form a water-resistant layer to restore and reinforce your roof

9 products

Roof Brushes

Apply thick roof coatings and patches

1 product

Seam Rollers

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

7 products

Sealant Removers

Clean sealant and caulk off tools and other surfaces

2 products

Drywall Tape

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

2 products

Plumber's Putty

Mold into a watertight, removable seal around faucets and drains

3 products

Electrical

Potting Compounds

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

63 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

27 products

Solder Mask

Temporarily shield circuit boards from solder, flux, and high temperatures

4 products

Fabricating and Machining

Anodizing Kits

Coat aluminum parts for added resistance to corrosion and chemicals

1 product

Blackener Kits

Create a flat, black protective finish on metal tools to resist corrosion and reduce glare

6 products

Zinc-Plating Kits

Create your own zinc-plating system to add corrosion resistance to steel and iron parts

3 products

Casting Metals

Melt and pour into molds to make metal parts and prototypes

19 products

Fluid Handling

Thermal Paste

Mold heat cable to pipe, eliminating air gaps that lead to heat loss and heater failure

18 products

Material Handling

Inner Tubes

Pair with a matching tire for a smooth ride

14 products

Tire Sealants

Prevent tire punctures or plug them on the spot

6 products

Containers, Storage, and Furniture

Tank Patches

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

2 products

Heating, Ventilation, and Air Conditioning

Foam Insulation Coatings

Shield foam pipe insulation from moisture, UV rays, and ozone

1 product

Spray Foam Insulation

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

2 products

Safety Equipment

Fire Stops

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

20 products

Drum Patches

Patch drum leaks to prevent their contents from spilling

2 products