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Technical Support

Our in-house chemists and technical support team are here to help

Need advanced technical support?

Contact Technical Support

Customer Service

MAS Epoxies
c/o Endurance Technologies
275 Bridge Point Way
South St. Paul, MN 55075

Customer Support
8:00 a.m. to 4:30 p.m. CST
(800) 755-8568 or (651) 554-4000

(651) 451-9728


Frequently Asked Questions

Due to the chemical nature of our products we are not able to accept returns of opened or partially used materials.  If you purchased the wrong material and have the original packaging we can accept a return.  We do not accept returns after 30 days of order receipt.

If you would like to start the return process please complete the form _____ here. 

If you received the wrong item in your order please reach out to us so we can get you the correct material.  

Click here to start the process.

If you received damaged product in your order please reach out to us so we can remediate the issue.  

Click here to start the process.

If we have not started processing your order you can make changes or cancel the order.  Please reach out to us ASAP as we ship orders between 1-2 business days from receipt.

Contact us here or call during regular business hours.

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