Browse Products by Market

Browse Products by Technology

Products

Brands

Formulations

Documents

Experts

Key Polymer, founded in 1959, manufactures a broad range of custom formulated and toll manufactured adhesives, coatings and other chemical compounds. Technologies include epoxy adhesives, wax butyl rubber blends, and epoxy or urethane potting & encapsulating products for industrial application. Since inception, Key Polymer has successfully partnered with customers to provide unique and responsive customer-specific materials solutions.

Privacy

Terms & Conditions

Terms of Sale

Cookie Policy

Tough-Seal is a superior family of KEY sealants for potting electrical and electronic components that provides a reliable grip and exceptional encapsulating protection for any potting application where premium thermal cycling performance, excellent thermal shock resistance, and outstanding environmental and corrosion protection are a must.


Tough-Seal

Tough-Seal 22 A is a tough and durable two component, hybrid epoxy elastomer that features a longer gel time than Tough-Seal 21. Tough-Seal is a superior electrical potting compound with excellent thermal cycling performance.

Tough-Seal 22 A

Tough-Seal 21 A is a tough and durable two component, fast gelling, hybrid epoxy elastomer electrical potting compound with excellent thermal cycling performance. KEY Tough-Sealhas the flexibility of a urethane and the service temperature of an epoxy.

Tough-Seal 21 A

Tough-Seal 42 A is a flame retardant version of Tough-Seal 22. The self-extinguishing flame retardant performance meets UL 94V-0 requirements and has been validated by UL for the official rating. KEY Tough-Seal 42A/Bachieves flame retardant properties without antimony or halogenatedcompounds. Like Tough-Seal, it is a tough and durable two component, hybrid epoxy elastomer that features excellent thermal cycling and exceptional flexibility.

Tough-Seal 42 A

Tough-Seal 41 A is a flame retardant version of Tough-Seal 21. Self-extinguishing flame retardant performance has been validated by UL and KEY Tough-Seal 41A/Bhas achieved a UL94V-0 rating. KEY Tough-Seal 41A/Bachieves flame retardant properties without antimony and brominated compounds.

Tough-Seal 41 A

Tough-Seal 31 A is a tough and durable two component, hybrid epoxy elastomer that features a lower viscosity than Tough-Seal 21. Tough-Seal is a superior electrical potting compound with excellent thermal cycling performance. Tough-Seal has the flexibility of a urethane and the service temperature of an epoxy.

Tough-Seal 31 A

Tough-Seal 24 A a tough and durable two component, hybrid epoxy elastomer that features a higher viscosity than KEY Tough-Seal 22 to limit lateral flow in “glob top” encapsulation. KEY PC2024A/Bis a superior electrical potting compound with excellent thermal cycling performance.

Tough-Seal 24 A

Tough-Seal 23 A a tough and durable two component, hybrid epoxy elastomer that features a higher viscosity than KEY Tough-Seal 21 to limit lateral flow in “glob top” encapsulation. KEY PC2023A/Bis a superior electrical potting compound with excellent thermal cycling performance.

Tough-Seal 23 A

Tough-Seal 32 A is a tough and durable two component, hybrid epoxy elastomer that features a lower viscosity than Tough-Seal 22 and a longer gel time than Tough-Seal 31. Tough-Seal is a superior electrical potting compound with excellent thermal cycling performance. Tough-Seal has the flexibility of a urethane and the service temperature of an epoxy.

Tough-Seal 32 A

Key Polymer

Key Polymer, founded in 1959, manufactures a broad range of custom formulated and toll manufactured adhesives, coatings and other chemical compounds. Technologies include epoxy adhesives, wax butyl ru

Key Polymer - Knowde

Website

Knowde is the first marketplace for chemicals, polymers and ingredients. Our leading-edge digital capabilities connect thousands of sellers and buyers every day.

Ready-to-Use Products - Key Polymer - Knowde

Tough-Seal 23 Technical Data Sheet

Tough Seal 23 Safety Data Sheet Part A

Applications

Product Type

Application Area

Chemical Family

Document Types

Job Title

Shipping Terms

Name

and the data associated with it — permanently.

This is a Premium Feature

Changes to filters have not been applied.

Discard changes?

{userCompanyName} notice

In order to join {userCompanyName} on Knowde, you must use your business email address.

Business already on Knowde

{userCompanyName} requires all users on {companyName} to register with their business email address to ensure confidentiality and security.

{userCompanyName} requires registering your business email address

There's only a little ways to go.

Creating an account is free and the only way to directly download documents, order samples, request quotes and use direct messaging.

Quit Sign Up?

Tell us about {userCompanyName}

from concierge@knowde.com

Click the link in the email, or enter the 6-digit code

Verification email sent

Since you’re using a personal email address, we require proof to verify the information you have provided.

Please verify your account

Please go back and enter in an email address that is directly associated with a business.

Knowde is built for businesses

Also, using a personal email for creating your {companyName} account may require additional verification of your company details.

We recommend signing up with a work email address to get faster responses, especially when requesting samples, documents, and more.

Please enter your business email address below.  We’ll send you a confirmation code to quickly verify.

Enter your business email

{companyName} uses Knowde for account management so you can manage all of your sample requests, RFQs, orders and more in one place.

Knowde is for businesses, you may have a hard time receiving responses to your requests if you use a personal email address.

to {email}

We sent an email to {email}

Please click the link to reset your password

Check your email

Create a new password

Password expired

Sign in to {companyName}

Enter a new secure password

Change your password

Enter the email address associated with your account

Reset your password

Enter your password for

Use your Knowde password to sign in:

Please provide additional information to help us verify your company.

Terms and Conditions

Compare multiple products at once and find the best fit for your project needs.

Why is this important?

Enter your password

Unlock your account

Knowde is the world’s biggest marketplace to search for ingredients, polymers, and chemistry. You can:

Welcome to Knowde

View All Products

Cart

Please fix the following before proceeding to payment

An order receipt has been emailed to {email}

Order

This feature is currently unavailable at this screen size.

Payment

Shipping

Checkout

KEEP IN MIND

You will lose any existing chat history by starting a new chat.

Start a new chat?

Compare Products

This document is restricted content.

If you believe you should have permission to this document, please request access.

Restricted Access

It only takes 60 seconds to create an account.

Available {documentType} documents for this product ({counter})

Describe Documents You’d Like to Request

Invalid job title

That’s not the reaction we were expecting.

Page not found - Store for chemicals, polymers and ingredients

Internal Server Error - Store for chemicals, polymers and ingredients

Unexpected error occurred. Please contact us.

Client Side Exception - Store for chemicals, polymers and ingredients

Show products with

Filters

Featured Products

Flavor & Taste Explorer

Flavor Families

Enter your inquiry here, include as much detail as you’re able. *

To submit an inquiry to {companyName}, please fill out the form below and click Submit. They will get back to you as soon as they’re able.

Home Page

Request samples, documents, and quotes directly from suppliers

{companyName} experts - Knowde

Knowde is the first marketplace for chemicals, polymers and ingredients. Our leading-edge digital capabilities connect thousands of suppliers and customers every day.

Chemicals Marketplace - ingredients & raw materials - Knowde

Learn how to take full advantage of the free to use tools that you have unlocked.

Explore the capabilities of the platform and get immediate assistance for your needs with one of our experts.

Schedule a Demo

You’ll meet with Kiana from our Knowde Marketplace Team

Explore the capabilities of the platform and get immediate assistance for your needs.

Learn how you can make the most of the free tools now available to you.

Explore the capabilities of the platform with our dedicated team.

Weekly Webinar

See which others might better fit your needs.

This is just one of {allProducts} products on Knowde.

BROWSE BY

Knowde for Suppliers

Most popular categories

Gain instant access to our marketplace of over 250,000 chemicals, ingredients and polymers from 8,000 suppliers. Browse, search, and filter to quickly compare products, find information, request documents, order samples, and get quotes directly from suppliers.

Search and filter over 250,000 chemicals, ingredients and polymers, access documents and download starter formulations. Interact with over 8,000 suppliers whose representatives are ready to help. Sign up for a free Knowde Marketplace account today.

Create a free account to gain instant access to our marketplace of over 250,000 products and their documents.

Get new products to market faster with a free Knowde Marketplace account

The fastest way to find the right raw materials for your products

Want to explore more products?

Popular {companyName} Products

Start Order

Get a Quote

{price} each for {name}

1 of {brandProductsCount} products in this brand

This will be used for any follow-up questions so we can best meet your needs

Please fill out the form below to help {companyName} prepare your quote

Your request has been sent to {companyName}

This information will help us get you the right materials.

All Categories

{numberOfResults, plural, one {Brand} other {Brands}}

{numberOfResults, plural, one {Product} other {Products}}

Search Tips

{charactersCounter}/{limitCharacters} Characters

Visit

Your account has been verified. You now have access to the full power of {companyName}

The quantity your business will require annually, if the sample product suits your project's needs.