Skip to main content
Hours: Monday-Friday | 8:30am - 4:30pm (EST)
Silicone Mold Rubbers
Polyurethane Mold Rubbers
Polyurethane Casting Rubbers
Polyurethane Casting Plastics
Thermoplastic Elastomers (TPE)
Epoxy Casting Plastic
Alginate Mold Compound
Release Agents & Sealers
Accessories & Tools
View All Products
Sculpture, Foundry & Figurines
Special FX Prosthetics
Architectural Reproduction & Restoration
Foam & Plastic Millwork & Ornamentation
Plaster Millwork & Ornamentation
Theming, Display & Decor
Crafts & Hobby
View All Applications
Tutorials & Videos
Tools & Literature
Product Selector Tool
Product Reference Charts
Sealer & Release Agent Selection Guide
You are here
Tutorials & Videos
tutorials based on Product Type, Application or Mold Making and Casting Technique.
Tek-Tip: Reduce Bubbles in Clear Casting Resin
Without the proper equipment, it can be difficult to achieve bubble-free castings with clear polyurethane casting resins such as Polytek Poly-Optic
Kiln-Casting with Glass: The Process
Anna Boothe, former faculty member in the Glass Program at Tyler School of Art (Temple University) and current freelance artist, provided us with a behind-the-scenes look at her lead crystal kiln-casting process.
Tek-Tip: Shelf Life & Storage of Polytek
The shelf life of all Polytek
liquid polyurethane products (rubber, plastic, foam) is six months from the date of shipment in unopened containers.
Marbled Effect in Polyurethane Resin
An intrinsic “marbled” look can be a challenge to achieve with resin.
How to Make a Rubber “Glove” or “Sock” Mold
Glove molds, also referred to as sock molds, are one-piece rubber molds that can be turned back on themselves and peeled off.
How to Make a Rubber Mold of a Corbel
This mold making tutorial features the making of a poured block mold of a plastic corbel. It was one of the projects worked on at our October 2014 Mold Making & Casting Workshop.
Gel-25 Mold with Mold Shell
Gel-25 is a platinum-cured silicone rubber that is used for theatrical prosthetics, lifecasting and mold making.
How to Make a Decorative Concrete (GFRC) Panel
This tutorial shows the process of making a decorative glass fiber reinforced concrete (GFRC) panel using various Polytek
mold rubbers and casting materials.
Gel-OO Skin with Flexible Foam
If you’re using silicone to create props, it may make more sense to create a silicone skin backfilled with foam instead of a solid silicone part.
Mold Making Tutorial: Silicone Mold of Clay Sculpture
John Cannon of The Whimsical Gardens brought his clay sculpture to our facility to make a mold of the figure and then reproduce it in plastic on a rotational casting machine.