Glass Putty | McMaster-Carr

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177 Products

About Sealant Flexibility

Conductive Surface Fillers for Electronics

A high silver content allows these surface fillers to conduct electricity and heat. Use them to fill gaps and rebuild missing material on electrical connections or to assemble new components.

Surface Fillers

These surface fillers can be used on vertical surfaces without sagging. They repair cracked, worn, and damaged surfaces.

Water-Resistant Surface Fillers

Mix these two-part epoxy surface fillers to create a strong repair in wet environments or underwater.

Surface Fillers for Glass

Use this kit to prevent bull's eye breaks and minor chips from getting bigger.

Adhesives

Quick-Set Epoxy Structural Adhesives

For quick repairs, these epoxies begin to harden in 6 minutes or less.

Slow-Set Epoxy Structural Adhesives

To allow time to adjust and position parts, these epoxies remain workable for at least 90 minutes.

Reusable Adhesive Putty

Pull off a small piece of putty and stick lightweight objects to a surface.

Optically Clear Reusable Adhesive Gel

Temporarily stabilize objects on flat surfaces with this clear, reusable adhesive.

Caulk

Non-Hardening Caulk

Also known as thumb-grade caulk, this forms a non-hardening, moisture-resistant seal that remains pliable.

Caulk

Create-a-Color Caulk

Mix a small amount of water-based paint with this caulk to match the color of your surface.

Caulking Tape

Press this adhesive-backed plastic tape into place for an immediate light-duty seal.

Sealants

Silicone Sealants

Made from silicone, these sealants are RTV (room-temperature vulcanizing).

Silicone Sealants with Material Certification

These sealants include a material certificate with traceable lot number, test report, and product shelf life.

Mildew-Resistant Silicone Sealants

Resistant to mold and mildew, these sealants are well suited to high-humidity environments.

Self-Leveling Silicone Sealants
with Material Certification

These sealants include a material certificate with traceable lot number, test report, and product shelf life.

Self-Leveling Silicone Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Low-Outgassing Silicone Sealants

Tested to meet ASTM E595, a standard used by NASA, these sealants fill joints and seams while releasing almost no volatile emissions that could damage sensitive electronics, even in a vacuum.

Noncorrosive Silicone Sealants

Also known as neutral-cure sealants, these won't discolor copper, brass, and concrete.

Noncorrosive Silicone Sealants
with Material Certification

This sealant includes a material certificate with traceable lot number, test report, and product shelf life.

Self-Leveling Sealants

Thinner than non-sagging sealants, this sealant flows easily into cracks and has a smooth finish.

All-Weather Application Sealants

Apply these sealants in cold temperatures, on wet surfaces, and even through running water.

Optically Clear All-Weather Application Sealants

Clear enough to read through, this UV-resistant sealant allows optimal light transmission for use with solar cells and fiber optics.

Sealants

Puncture-Resistant Sealants

A combination of hardness and surface tension makes these sealants resistant to punctures, cuts, and abrasion.

Clean Room Sealants

Meeting requirements for semiconductor, biomedical, and electronics clean rooms, these sealants won’t contaminate air and surfaces.

Structural Sealants

All-Weather Application Structural Sealants

Apply these sealants in cold temperatures, on wet surfaces, and even through running water.

Structural Sealants

These structural sealants combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility.

Metal- and X-Ray-Detectable Structural
Noncorrosive Silicone Sealants

With chemical and metal additives that are picked up by X-ray machines and metal detectors, these sealants are designed to help you comply with Hazard Analysis and Critical Control Point (HACCP) programs in food-processing facilities.

Structural Silicone Sealants

Made from silicone, these sealants are RTV (room-temperature vulcanizing). They combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility.

Structural Silicone Sealants
with Material Certification

These sealants include a material certificate with traceable lot number, test report, and product shelf life.

Vacuum Leak Sealants

Seal leaks on vacuum systems and components.

Submersible Sealants

These sealants are marine grade, so they stand up to water, corrosion from salt spray, mildew, and UV light.

Oil- and Fuel-Resistant Sealants

Self-Leveling Oil- and Fuel-Resistant Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Oil- and Fuel-Resistant Sealants

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces.

Concrete Joint Sealants

High-Strength Self-Leveling Concrete Joint Sealants

Thinner than non-sag sealants, these flow easily into cracks and have a smooth finish.

High-Strength Concrete Joint Sealants

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces.

All-Weather Application Concrete Joint Sealants

These non-sagging sealants will not drip while hardening on vertical and overhead surfaces.

Self-Leveling All-Weather
Application Concrete Joint Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Glass Sealants

Glass Sealing Rope

Press this pliable rope into place to hold glass in window frames and seal leaks.

UV-Resistant Glass Sealants

These sealants don't degrade in sunlight.

Glass Sealants

Also known as glazing compounds, use these sealants to install glass in aluminum, steel, and wood framing.

Fire-Rated Glass Sealing Tape

Seal glass windows in metal and wood fire-rated doors.

Impact-Resistant Structural Glass Sealants

Repair equipment and vehicle windows with these sealants that are rated to withstand impact within three hours of application.

Edge Sealants

Prevent the edges of tape, signs, and graphics from peeling by sealing out water and debris.

Roof Joint Sealants

Self-Leveling Roof Joint Sealants

Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Roof Joint Sealants

These sealants are non-sagging, so they won't drip from vertical and overhead surfaces.