Smooth-On URE-FIL™ fillers disperse easily in Smooth-On materials. They can be added to materials in different proportions to achieve a variety of working properties and effects. Some fillers are designed for cost-savings, others are designed for specific casting effects or improved physical properties. Other URE-FIL™ fillers are designed specifically for thickening materials for brush-on or trowelable application.
URE-FIL™ 3 - ceramic filler which is added to polyurethane resins and castable epoxies to reduce cost. Recommended starting mix ratio is 1A to 1B to 1 part URE-FIL™ 3.
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