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
Blending Liquid Rubber & Plastic: Poly-Optic® Series
Poly-Optic 14-SeriesCasting Resins are two-part, room temperature curing, polyurethane systems that result in wat...
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: 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...
Mold Making: Mold Rubber Hardness
The hardness of rubber can be measured using Durometer Shore Hardness Scales [Figure 1]. Shore Hardness measures the resistance of a ma...