Polyurethane Caulk | McMaster-Carr

Filter by

For Use On

Formulation

Container Type

For Joining

Composite to Glass

Metal to Composite

Metal to Plastic

Metal to Rubber

Plastic to Composite

Plastic to Glass

Plastic to Rubber

Rubber to Composite

Rubber to Glass

Color

Stainless Steel

Environment

Food and Beverage

For Use Outdoors

Maximum Temperature

Less than 250° F

250° F to 399° F

400° F to 499° F

500° F to 999° F

Manufacturer

Type

Hardness Rating

Mixing Required

For Use With

Synthetic Lubricants

Transmission Fluid

Ammonium Hydroxide

Calcium Chloride

Performance

Impact Resistant

Puncture Resistant

Reaches Full Strength

Minimum Temperature

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

Begins to Harden

Manufacturer Model Number

RoHS

Material

REACH

Export Control Classification Number (ECCN)

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Paintable

How can we improve?

134 Products

Sealants

Sealants

Silicone Rubber Sealants

Silicone Rubber Sealants

Harden at room temperature once applied

Sealants

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

All-Weather Application Structural Sealants

All-Weather Application Structural Sealants

The strongest all-weather sealants we offer

Noncorrosive Silicone Rubber Sealants

Noncorrosive Silicone Rubber Sealants

Won't discolor copper, brass, or concrete

Structural Sealants

Structural Sealants

Combine the strength of adhesive with the flexibility of sealant

Clean Room Sealants

Clean Room Sealants

Won't contaminate the air or surfaces in semiconductor, biomedical, and electronics clean rooms

Silicone Rubber Sealants with Material Certification

Silicone Rubber Sealants with Material Certification

Harden at room temperature once applied

Low-Outgassing Silicone Rubber Sealants

Low-Outgassing Silicone Rubber Sealants

Release almost no volatile emissions that could damage sensitive electronics, even in a vacuum

Self-Leveling Silicone Rubber Sealants

Self-Leveling Silicone Rubber Sealants

Thinner than non-sagging silicone sealants to flow easily into cracks for a smooth finish

Oil- and Fuel-Resistant Sealants

Oil- and Fuel-Resistant Sealants

Resist swelling when exposed to oil, fuel, and solvents

Self-Leveling Oil- and Fuel-Resistant Sealants

Self-Leveling Oil- and Fuel-Resistant Sealants

Flow easily into cracks for a smooth finish and resist swelling from oil, fuel, and solvents

Structural Submersible Sealants

Structural Submersible Sealants

The strongest submersible sealants we offer

Caulking Tape

Press into place for an immediate, light duty seal

Submersible Sealants

Submersible Sealants

Stand up to water, salt spray, mildew, and UV light

Non-Hardening Caulk

Non-Hardening Caulk

Stays pliable while keeping out moisture

Puncture-Resistant Sealants

Puncture-Resistant Sealants

Resist punctures, cuts, and abrasion from heavy wear and tampering

Structural Oil- and Fuel-Resistant Sealants

Structural Oil- and Fuel-Resistant Sealants

Our strongest oil- and fuel-resistant sealants for assembling and repairing fuel systems and tanks

Self-Leveling Silicone Rubber Sealants with Material Certification

Self-Leveling Silicone Rubber Sealants with Material Certification

Thinner than non-sagging silicone sealants to flow easily into cracks for a smooth finish

Noncorrosive Silicone Rubber Sealants with Material Certification

Noncorrosive Silicone Rubber Sealants with Material Certification

Won't discolor copper, brass, or concrete

Structural Silicone Rubber Sealants with Material Certification

Structural Silicone Rubber Sealants with Material Certification

Stronger than standard silicone sealants

Concrete Joint Sealants

Concrete Joint Sealants

Concrete Joint Sealants

Seal joints and gaps in concrete

High-Strength Self-Leveling Concrete Joint Sealants

High-Strength Self-Leveling Concrete Joint Sealants

Flow easily into cracks for a smooth finish and withstand wear and tear in high-traffic areas

High-Strength Concrete Joint Sealants

High-Strength Concrete Joint Sealants

Stand up to heavy wear and tear, such as steel wheel traffic

All-Weather Application Concrete Joint Sealants

All-Weather Application Concrete Joint Sealants

Apply on wet surfaces and in cold temperatures

Self-Leveling All-Weather Application Concrete Joint Sealants

Self-Leveling All-Weather Application Concrete Joint Sealants

Apply in wet and cold weather and flow easily into cracks for a smooth finish

Roof Joint Sealants

Roof Joint Sealants

Roof Joint Sealants

Seal roof joints to keep out the elements

Self-Leveling Roof Joint Sealants

Self-Leveling Roof Joint Sealants

Thinner than non-sagging roof joint sealants to flow easily into cracks for a smooth finish

Glass Sealants

UV-Resistant Glass Sealants

UV-Resistant Glass Sealants

Won't degrade in sunlight

Impact-Resistant Structural Glass Sealants

Impact-Resistant Structural Glass Sealants

Withstand impact within hours of application for repairing vehicle and equipment windows

Other Products

Structural Adhesives

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

Construction Adhesives

Construction Adhesives

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

Surface Fillers

Surface Fillers

Repair chips, cracks, and tears in various surfaces

Sealant Primers

Sealant Primers

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

Backer Rods

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)