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  • Best quality Color Change Powder Thermochromic Pigment - reversible temperature-sensitive color pigments  – Topwell

    Best quality Color Change Powder Thermochromic Pigment - reversible temperature-sensitive color pigments – Topwell

    The principle and structure of the reversible color temperature color pigments: Reversible temperature-sensitive color pigment type organic compound by the electron transfer system prepared. Electron transfer-type organic compound is an organic chromophore system has a special chemical structure. At a specific temperature by electron transfer of the organic molecular structure is changed, in order to achieve color change. This discoloration substance not only colorful, but also from a “...
  • Glow In Dark Pigment - Photochromic pigment Sun Sensitive Pigment – Topwell

    Glow In Dark Pigment - Photochromic pigment Sun Sensitive Pigment – Topwell

    Photochromic Pigment changes colors when exposed to Sunlight or UV light, and reverts to its original color when sunlight is blocked. After absorbing the energy of sunlight or UV, it’s molecule structure is changed, which caused its absorbed wavelength to be changed allowing a color to appear. It revers to the original molecule structured and color when the light stimuli is dimmed or blocked. Colorless to color (Base Color: White) Purple, Red, Blue, Sky Blue, Green, Yellow, Gray, Deep G...
  • Temperature Sensitive Pigment - uv fluorescent invisible pigment – Topwell

    Temperature Sensitive Pigment - uv fluorescent invisible pigment – Topwell

    The fluorescent invisible pigment is invisible to the normal light, it only glows intensely in the light of the ultraviolet lamps. The fluorescent invisible pigment can be mixed with paint, varnishes or other water-based solutions to brighten the UV light. ♦For the best results it is recommended to use transparent paints. The fluorescent invisible pigment is suitable for creating hidden images, drawings or texts, for UV printing or is used for clubs, bars, theaters or for your room. In normal...
  • Fluorescent Pigments For Plastic - High Fluorescent Red Dye for Greenhouse Film CAS 123174-58-3 – Topwell

    Fluorescent Pigments For Plastic - High Fluorescent Red Dye for Greenhouse Film CAS 123174-58-3 – Topwell

    High Fluorescent Red Dye  Other name:Perylene red Cas No.:123174-58-3 Introduction High Fluorescent Red Dye is High Performing Fluorescent dyes for plastics coloring,it have Excellent weatherfastness,, High heat stability, Extremely high chroma! Directions for use High Fluorescent Red Dye usually used for Plastic, solar industry, light conversion film , Agriculture film,  Storage Unlimited if the products are stored in a dry place.
  • Wholesale Price China Orange Red Color Fluorescent Pigment Powder - uv fluorescent invisible pigment – Topwell

    Wholesale Price China Orange Red Color Fluorescent Pigment Powder - uv fluorescent invisible pigment – Topwell

    The fluorescent invisible pigment is invisible to the normal light, it only glows intensely in the light of the ultraviolet lamps. The fluorescent invisible pigment can be mixed with paint, varnishes or other water-based solutions to brighten the UV light. ♦For the best results it is recommended to use transparent paints. The fluorescent invisible pigment is suitable for creating hidden images, drawings or texts, for UV printing or is used for clubs, bars, theaters or for your room. In normal...
  • Chinese wholesale Sunlight Uv Light Change Photochromic Pigment - Photochromic pigment uv pigment color change powder by sunlight – Topwell
  • Changing Color Pigment - Sunlight Sensitive Color Change Powder/Pigment Photochromic for Plastics  – Topwell

    Changing Color Pigment - Sunlight Sensitive Color Change Powder/Pigment Photochromic for Plastics – Topwell

    Usage 1. Photochromic powder: injection molding (PU / PP / PVC / EVA / ABS / liquid silicone / paint) 2. Photochromic ink: glass, ceramics, metal, paper (offset, silk screen, gravure, printing) 3. Temperature change mortar: textiles, clothing printing, shoe materials, handicrafts, toys 4. Photochromic paste: stationery, car line paste, marking the ink line, irreversible decolorizing ink
  • Luminescent Powder Pigment - Thermochromic pigment for thermochromic Paint Thermochromic Ink Thermochromic Fabric – Topwell

    Luminescent Powder Pigment - Thermochromic pigment for thermochromic Paint Thermochromic Ink Thermochromic Fabric – Topwell

    Introduction Themochromic pigments are composed of micro-capsules that change color reversibly. When the temperature is raised to a specified temperature the pigment goes from colored to colorless (or from one color to another color). The color returns to original color as the pigment is cooled down.  Processing temperature The processing temperature should be controlled below 200 ℃, the maximum should not exceed 230 ℃, heating time and minimize material. (High temperature, prolonged heating...
  • New Arrival China Fluorescent Pigments Textile - uv fluorescent pigments powder – Topwell

    New Arrival China Fluorescent Pigments Textile - uv fluorescent pigments powder – Topwell

    UV-fluorescent pigment also called Anti-counterfeit pigment. it is colorless, while under UV light, it will show colors. The active wavelength is 200nm-400nm. Active peak wavelength is 254nm and 365nm. Inorganic UV Fluorescent Pigments 365 nm Powder Available Colors 1: UV inorganic red powder, the activating wave is 365 nm, emitting wave is 610 nm, the base color is light pink powder. 2: UV inorganic yellow powder, the activating wave is 365 nm, the emitting wave is 510 nm, the base color is ...
  • Infrared Pigment - Photochromic pigment Sun Sensitive Pigment – Topwell

    Infrared Pigment - Photochromic pigment Sun Sensitive Pigment – Topwell

    Photochromic Pigment changes colors when exposed to Sunlight or UV light, and reverts to its original color when sunlight is blocked. After absorbing the energy of sunlight or UV, it’s molecule structure is changed, which caused its absorbed wavelength to be changed allowing a color to appear. It revers to the original molecule structured and color when the light stimuli is dimmed or blocked. Colorless to color (Base Color: White) Purple, Red, Blue, Sky Blue, Green, Yellow, Gray, Deep G...
  • Thermal Color Changing Powder -  invisible pigment – Topwell

    Thermal Color Changing Powder - invisible pigment – Topwell

      Invisible pigment also called uv invisible pigment,UV fluorescent powder. It is colorless, while under UV light, it will show colors. The active wavelength is 200nm-400nm. Active peak wavelength is 254nm and 365nm. We have two types,Organic and Inorganic. Inorganic UV Invisible pigment Powder 365nm Available Colors 1:  red  2:  yellow  3:  green  4: blue  5: white 6:pink  Organic UV Invisible pigment Powder 365 nm  Available Colors 1: red  2:  yellow 3:  green  4:  blue   Appl...
  • Glow In Dark Pigment - Photochromic pigment Sun Sensitive Pigment – Topwell

    Glow In Dark Pigment - Photochromic pigment Sun Sensitive Pigment – Topwell

    Photochromic Pigment changes colors when exposed to Sunlight or UV light, and reverts to its original color when sunlight is blocked. After absorbing the energy of sunlight or UV, it’s molecule structure is changed, which caused its absorbed wavelength to be changed allowing a color to appear. It revers to the original molecule structured and color when the light stimuli is dimmed or blocked. Colorless to color (Base Color: White) Purple, Red, Blue, Sky Blue, Green, Yellow, Gray, Deep G...