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.

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.

Question: What kind of fillers can I mix into Smooth-cast resins?

Answer: Virtually any type of powder filler can be used in Smooth-On urethane resins. Some examples of powder fillers: Urefil® 3... Read More»