Engineered for
excellence.

We have over 40 years of experience crafting solutions for the toughest industry challenges.

Make custom
solutions a reality.

From concept to final product, Anchor Seal can meet your needs no matter how challenging the brief.

Need a custom color?
No problem.

We offer custom color solutions on most products. Give us your code and we’ll match it.

BROWSE BY INDUSTRY

Delivering proven products to diverse industries

Electrical & Electronic
ManufacturingIndustrial & Prototype
ManufacturingArt, Restoration &
Hobby/CraftConstruction &
InfrastructureMedical & Food-Grade
ApplicationsMarine Applications
All industries →

SOLUTIONS BY CATEGORY

Advanced chemistries, formulated to spec

Epoxy encapsulant poured into an electronics enclosure

Epoxy Systems

Potting compounds, encapsulants, adhesives and casting resins for high-temperature and chemical environments.

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Polyurethane poured into a casting mold

Polyurethane Systems

Shore 'A' and Shore 'D' series plus water-clear aliphatics for coatings, sealants and traffic surfaces.

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Silicone molds and a precision cast housing

Silicone RTV-2 Systems

Platinum and Tin series for mold making, gasketing, potting and medical tooling.

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Polyurea coating sample

Polyurea Systems

Spray-applied protective coatings for waterproofing, containment, tank linings and infrastructure.

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CUSTOM SOLUTIONS

Custom Solutions

Anchor Seal has been pushing the boundaries of the possible since 1979. Let our scientists help you create something new.

Custom batch bench trial

Bench trials in Gloucester. Every custom batch is qualified against the customer's own conditions before it ships.

Typical response within two business days.

Case Studies

A stainless steel sensor with its lead wires sealed in black epoxy

Construction & Infrastructure

100 suppliers. One solution. More than 30 years of trust.

When a supplier changed the material in a longtime customer’s manufacturing process, we went back to the lab to find a way forward.

Read the story →
A high-voltage assembly potted in black epoxy on a test bench

Electrical & Electronic Manufacturing

Ten years. 30,000 volts. Zero field failures.

How one epoxy helped a high-voltage component manufacturer simplify production and deliver a decade of dependable performance.

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A copper coil encapsulated in black epoxy on a lab bench

Aerospace & Specialty Industrial

Some problems don’t come with a data sheet.

When a custom coil manufacturer brings us a challenge that standard materials can’t solve, we get to work figuring out what can.

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Industrial heating elements with sealed ends and braided lead wires

Industrial & Prototype Manufacturing

Nearly 40 years. No reason to change.

When an industrial heater manufacturer finds a sealant that performs, qualifies, and keeps doing its job, there’s real value in leaving well enough alone.

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WHAT CUSTOMERS SAY

Specified once, reordered for years

I have used Anchor Seal sealing materials for decades with good success. Good quality, delivery, and performance. In my line of work, it’s the best option for sealing heating elements. I never need to look elsewhere.
John M.
We’ve had other guys come in and ask, and I said, not unless you can beat these guys. And nobody has.
Owner, industrial sensor manufacturerRead the story →
The epoxy has always performed regardless of whatever test we’ve put it through.
Owner and design engineer, high-voltage component manufacturerRead the story →
I can physically call you guys, and you can give me an answer to the best of your ability, or do the research and get back to me. You can’t beat that human interaction.
Shop foreman, custom coil manufacturerRead the story →
Anchor Seal was in our heaters before my time, and we’ve never had a problem with how it performs.
Engineering lead, industrial heater manufacturerRead the story →