Adding Fillers to Polyurethane Casting Resin
There are a few common reasons that fillers are added to polyurethane casting resins (e.g., EasyFlo Series Liquid Plastics,...
Tutorials
Customer Project: Decorated Venus Figurine – EasyFlo Liquid Plastic
At the Polytek March 2014 Mold Making & Casting Workshop, attendee Ro-Z Esposito (more info. on this artist at the end of the a...
Blending Liquid Rubber & Plastic: Poly-Optic® Series
Poly-Optic 14-SeriesCasting Resins are two-part, room temperature curing, polyurethane systems that result in wat...
Plasticine Clay: Multiple Uses in Mold Making
Poly Plasticine is a non-hardening, sulfur-free modeling clay. It is non-toxic, odorless, and has a smooth, firm consistency. It’s g...
Rubber Blanket Molds: The Basics
The rubber blanket mold technique is a great method to master as a mold maker. For those unfamiliar with it, it can be a bit intimi...
Casting Concrete in Polyurethane vs. Silicone Rubber Molds
Here at Polytek, we often recommend the use of liquid polyurethane rubber to make molds for concrete casting (e.g., concrete tiles...
How to Prepare a Model When Making a Polyurethane Rubber Mold
A model, also called a “master”, should be prepared according to the model material & mold material.Models being used to make a pol...
Tek-Tip: Repairing Torn Rubber Molds
If a tear develops in your polyurethane rubber or silicone rubber mold, one of the following options may help to repa...
Cold Cast Bronze: Three Casting Methods
There are three methods that we typically recommend for creating cold cast bronze pieces [Figure 1]: solid casting, slush casting, and...
Tek-Tip: Top 10 Most Common Rubber Mold Making Fails
We’ve compiled a list detailing the most common reasons that rubber mold making projects go wrong (e.g, uncured materials, incompl...
Body Casting Tutorial: Hydrogel Mold & Cold Cast Bronze Casting
Body molds and castings can be made using a variety of products. The following tutorial details the steps needed to create a Hydrog...
Tek-Tip: Perform Platinum Silicone Test Cures
Out of the entire Polytek® product line-up, platinum-cured silicones (PlatSil® products) are most likely to suffer from cure inhibition...