When you pick a high temperature urethane for prototypes, you should look at how well it handles heat and how it works. The chart below lists materials like AFP3320, AFP3400, AFP3600, and PT8958. It shows their hardness and the best ways to use them: Material Hardness (Shore D) Heat Resistance Applications AFP3320 80 High HVAC Components, Underhood Automotive Parts, Industrial Machinery Housings AFP3400 70 Moderate Living Hinges, Flexible Connectors, Dynamic Seals AFP3600 ~82 High Lenses, Light Housings, Backlit Panels PT8958 85 High Medium to Large Medical Device Housings, Components for Diagnostic Equipment Heat resistance affects how strong the material is.…
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