All3d coverage of Conductive Filament Conductive PLA Iron Filled Filament for Shielding Amolen $115 1.42 ohms per cm Shielding Filament  3dk.berlinj   $115        24 ohms cm Muti3d  .006 ohms per cm  $2150 Conductive Paint All3d coverage of Color Changing Filament Glow Filament Color Changing Filament Temperature Sensitive  33c 91f Gizmodorks 31c 88F   Amolen Temp and Sunlight Pink to white, blue to white, green to yellow, tricolor (green to brown to yellow) Color change temperature: 33-45 °C  113 F MG Chemicals Color change temperature: 43 °C (PLA), 31 °C (ABS) Go 3d Print Color change temperature: 33 °C Isanmate Color change temperature: 33 °C Bumat Orange to yellow, purple to pink, brown to green, grey to white Thermochromism is the scientific principle that makes the rings above change color that is now being applied to 3D printing filament. It’s a property of a material where the color can change based on temperature. Materials utilize thermochromism in two ways, either through liquid crystals such as in strip thermometers or through leuco dyes used in color-changing novelty items.
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