When it comes to producing high-quality, detailed prototypes and end-use parts, urethane casting stands out as a versatile and cost-effective manufacturing method. This process is ideal for low to medium volume production runs, offering exceptional surface finish and the ability to replicate complex geometries. The success of this technique hinges on the materials used, particularly the specialized resins and equipment. For optimal results, selecting the right Urethane Casting Resin is paramount, as its properties directly influence the final part's strength, flexibility, and clarity. The entire Urethane Casting Process involves creating a silicone mold from a master pattern and then pouring the liquid resin into it. To ensure consistency and efficiency, many manufacturers utilize an advanced Urethane Casting Machine, which automates mixing and dispensing to minimize air bubbles and waste. For applications requiring transparent or translucent parts, such as lenses or light pipes, a Clear Urethane Casting Resin is the go-to material, providing optical clarity alongside durability.
Our flagship product, the UltraCast Pro Series Urethane, has been engineered to meet the rigorous demands of modern manufacturing. This material system offers a superior combination of mechanical performance and ease of use. Below is a detailed breakdown of the critical specifications for the UltraCast Pro Series Urethane. This data is essential for engineers and designers to make informed material selections for their specific projects.
| Property | Test Method | Value/Result |
|---|---|---|
| Mixed Viscosity | ASTM D2393 | 450 cps |
| Pot Life | ASTM D2471 | 10 minutes |
| Demold Time | - | 16-24 hours |
| Shore Hardness | ASTM D2240 | 70A - 85D |
| Tensile Strength | ASTM D412 | > 4000 psi |
| Elongation at Break | ASTM D412 | > 250% |
| Tear Strength (Die C) | ASTM D624 | > 400 pli |
| Heat Deflection Temperature (HDT) | ASTM D648 | 70°C @ 66 psi |