Direct Line to our World Famous Technical Help
800-381-1733 or 484-546-0466
800-381-1733 or 484-546-0466
Smooth-On, Inc. offers a variety of mold making supplies, urethane and silicone rubber, urethane and epoxy casting resins
Explore the website to browse our products or see how they are used in a variety of applications.
Explore the website to browse our products or see how they are used in a variety of applications.

Find a Distributor
Our mold making and casting products are available from distributors all around the world!
How-To Guides
Articles to guide you step-by-step through the mold making and casting process, achieving special casting effects, and more!
How-To Seminars
Inspiring, educational, and potentially life-changing. Smooth-On and its distributors conduct seminars which will show you materials and techniques which will open your mind to a new world of material possibilities.Click here to find out what's offered, when & where.

I Am an Educator/I Am a Student
Smooth-On works with teachers and students at colleges and universities to educate people on how liquid rubbers, plastics, foams and other materials can be used for an infinite number of applications.Example of a
Frequently Asked Question
Click Here For All FAQ'sQuestion: I attempted to add new rubber to an already cured urethane rubber mold and the new layer delaminated. What happened and how can I get the rubber to stick?
Answer: A. New liquid urethane rubber does not bond well to fully cured urethane rubber. Some urethane rubbers (such as PMC 121tm WET)... Read More»

Technical Information
A complete directory of Technical Bulletins & MaterialSafety Data Sheets
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