eSUN Colour Change Photochromic

eSUN Colour Changing by Light 3D Printer Filament 0.5kg - 1.75mm

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  • eSUN Colour Change by Light PLA:
    Within seconds of exposure to direct sunlight (or other UV light) eSUN's photochromic pla turns from a creamy white to a bright purple or red. Once removed from a UV light source your object will change back to white, ready to explode into colour once more. Surprise your friends with photochromic filament.
    This video shows the very fast colour change when a 3d printed object is brought into sunlight.

    Nerd Speak:
    The term photochromism is used to describe the phenomenon of a reversible chemical transition that greatly affects the electromagnetic absorption in the visible part of the electromagnetic spectrum of an object, when that object is exposed to varied intensities of electromagnetic radiation from within the light frequency band. In English, photochromism is when a material undergoes reversible changes in it's colour when exposed to varying levels of light. Photochromism was first discovered by Markwald in 1899. Today, photochromic additives are used in transition lenses and in novelty items.
    Quality matters. eSUN Industrial is an international leader in FDM inovative technologies and their filament is a testament to their dedication to quality.

    Diameter Consistency:
    It's important that your filament has a very constant diameter if you want to get a great looking print. Variance in filament diameter will result in poor surface quality (primarily on vertical sections), because it produces unwarranted and uncontrollable fluctuations in extrusion rates.

    eSUN promises that their filament has a tolerance of ±0.05mm across all of their rolls that they produce, but in reality, the quality of eSUN's filament far exceeds their listed specifications.

    One independent reviewer found that the "vast majority" of the eSUN filament they tested in fact had a tolerance of ±0.015mm! Additionally, premium looking prints made with eSUN filaments (like what's found in our gallery) authenticate the claims of many that eSUN produces very consistent filament.

    You can be confident that your prints will have fantastic surface uniformity and smoothness with eSUN.

    • 1.75mm ±0.05mm (or better)
    • Printing temperature: 190-200°C
    • Low Shrinkage (no warping)
    • Stable diameter (smooth prints)
    • Non Harmful, non-toxic and environmentally friendly
    • *Suitable for Makerbot, Up, RepRap, Cubify and any other FDM 3D printer!
    *Some printers, like the UP Mini, may require modification in order to print at the required temperature.

    • Hotend: 195°C
    • First Layer: 200°C
    • Heated bed: 0-60°C (we use 40° and UHU glue for adhesion)
    • Cooling fan: on after first layers
    • Min layer time: 8 seconds
    **These slicer settings are simply our recommended starting point—every printer is different so you may have to fine tune your setup.

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