Irreversible Material

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    Irreversible Photochromic Material

    ◆ 365nm irreversible pigments, suitable for UV-curing process detection.
    ◆ 254 irreversible stickers, suitable for UV sterilization indicator.
    ◆ The more UV energy accumulates, the deeper colors will show.
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    Irreversible Thermochromic Material

    ◆ Color changes irreversibly from almost white to colored as temperature rises to the setting.
    ◆ Temperature range: 60°C to 170°C. Available in 5 colors.
    ◆ Water-based acrylic ink.