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, Poly 15-Series Liquid Plastics)
Easy 1:1 mix two part polyurethane resin that has a wide range of casting uses. When cured it creates a strong non-brittle cast., EasyFlo™ Liquid
EasyFlo 60 Polyurethane Casting resin
Polyurethane Casting Resin D70 Quick Set - /en
Adding Fillers to Polyurethane Casting Resin - Polytek Development Corp.
Celebrating St. Patrick's Day with Resin Casting [Beer-Filled Mug Replicas], by Ali Ejaz
Polytek Poly 1511 Liquid Plastic (4 lbs) - AFA Supplies
UV Additive PolyTek Development Corp.
Poly 74-30 Series - The Compleat Sculptor
Poly Fiber II Filler Thickener for Plastics & Mold Rubbers Polyfiber2
Expressions LTD Polytek Poly 75-80 Polyurethane Liquid Mold Rubber
Tek-Tip: Repairing Torn Rubber Molds, by Ali Ejaz
Urethane Casting: What Is It? How Does It Work? Applications