Leak Sealants | McMaster-Carr

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System of Measurement

Width

Thickness

Color

Backing Type

Cell Type

Length

Hardness Rating

Maximum Temperature

Shape

Texture

Material

For Use Outdoors

Container Type

Applicator-Top Bottle

For Use On

Flexibility

Adhesive Type

Minimum Temperature

Pressure to Compress 25%

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Tensile Strength

Less than 10 lbf/in. wd.

10 lbf/in. wd. to 19.9 lbf/in. wd.

20 lbf/in. wd. to 24.9 lbf/in. wd.

25 lbf/in. wd. to 49.9 lbf/in. wd.

50 lbf/in. wd. or greater

Less than 250 psi

250 psi to 499 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

Form

Export Control Classification Number (ECCN)

1A995

2A291

EAR99

DFARS Specialty Metals

Density

3,078 Products

Sealing

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

184 products

Sealants

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

263 products

Sealant Primers

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

9 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

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

46 products

Roof Coatings

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

9 products

Fastening and Joining

Tape

Bind, seal, and mark surfaces

571 products

Measuring and Inspecting

Leak-Detecting Dyes

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

27 products

Leak-Detecting Pipe Flange Covers

Wrap around pipe flanges to show when there's a leak and contain it

39 products

Raw Materials

Foam

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

1,845 products

Material Handling

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

Safety Equipment

Fire Stops

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

4 products

Drum Patches

Patch drum leaks to prevent their contents from spilling

2 products