Sealing Compounds | McMaster-Carr

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For Use On

Color

Fluorescent Blue/Green

For Joining

Maximum Temperature

For Use With

Container Size

Manufacturer

Type

For Use Outdoors

Mixing Required

Consistency

Formulation

Calcium Sulfate (Gypsum)

Methyl Isobutyl Ketone (MIBK)

Neoprene Cement

Parachlorobenzotrifluoride (PCBTF)

Manufacturer Model Number

Reaches Full Strength

Clarity

Begins to Harden

Minimum Temperature

RoHS

Compliant with Exemptions

REACH

Hardness Rating

Export Control Classification Number (ECCN)

1C995

EAR99

DFARS Specialty Metals

Exempt

Performance

Conductive

Electrically Insulating

Material

Calcium Sulfate (Gypsum)

Environment

1,055 Products

Sealing

Sealants

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

263 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

184 products

Sealant Primers

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

9 products

Caulk Guns

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

40 products

Backer Rods

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

35 products

Caulk Gun Nozzles

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

12 products

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

197 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

Electrical

Potting Compounds

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

65 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

29 products

Solder Mask

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

4 products

Electrical Cable Repair Resins

Protect and insulate electrical cables and repair damaged insulation

8 products

Fastening and Joining

Adhesives

Bond surfaces together

18 products

Adhesive Dispensing Guns

Apply beads of adhesive from a cartridge to surfaces

20 products

Adhesive Dispensing Gun Nozzles

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

80 products

Adhesive Dispensing Gun Cartridge Plungers

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

6 products

Measuring and Inspecting

Leak-Detecting Dyes

Bright colors help you spot leaks in water and hydraulic systems without using ultraviolet light

1 product

Containers, Storage, and Furniture

Syringe Dispensers

Dispense viscous fluids with pressure from your air compressor

4 products