product

  • Orange Red Color Fluorescent Pigment Powder - UV Invisible fluorescent pigment – Topwell

    Orange Red Color Fluorescent Pigment Powder - UV Invisible fluorescent pigment – Topwell

    UV Invisible fluorescent pigment Product Name:UV Invisible fluorescent pigment other name:uv fluorescent pigment UV Invisible 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. we have two types,organic and inorganic! Available Colors: yellow,green,red and blue   Usage: Can be directly added to the ink, paint, forming security fluoresce...
  • Dyes Pigment - Thermochromic Pigment Thermal Color Change Temperature Activated Powder for coating – Topwell

    Dyes Pigment - Thermochromic Pigment Thermal Color Change Temperature Activated Powder for coating – Topwell

    Thermochromic Pigment Heat Sensitive Color Change Pigment Features & Characteristics • Variable Temperature range • Obvious colour change at the defined temperature • Stable • Reversible colour change Applications: Reversible Thermochromic Pigment is available for Industrial Applications.   Common Field of Application: • Screen printing application • Applicable for offset ink • Security offset ink • Marketing, Decoration and Advertising purposes • Plastic Toys • Smart textiles Sugge...
  • Uv Phosphor Powder - uv fluorescent invisible pigment – Topwell

    Uv Phosphor 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...
  • Color Change Pigment Powder - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight  – Topwell

    Color Change Pigment Powder - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight – Topwell

    Photochromic Dyes are reversible raw dyes in crystalline powder form. Photochromic dyes reversibly change color upon exposure to ultraviolet light in the range of 300 to 360 nanometers. Full color change occurs in just seconds when using a flash gun to 20-60 seconds in the sunlight. The dyes change back to colorless when removed from the UV light source. Some colors may take longer to fade back to completely clear than others. Photochromic dyes are compatible with one another and can be m...
  • New Arrival China Uv Light Sensitive Pigment - photochromic pigment – Topwell

    New Arrival China Uv Light Sensitive Pigment - photochromic pigment – Topwell

    Applications: The product can be used in a variety of applications, including coatings, printing, and plastic injection molding. Due to the flexibility of photochromic powder, it can be applied to a range of substrates, such as ceramics, glass, wood, paper, board, metal, plastic and fabric. These color changing powders can be used for silk screen printing, gravure printing and flexo printing. They can also be used for plastic injection conforming to PU, PE, PVC, PS and PP. If the temperature...
  • Disperse Dye - Thermochromic pigments for paints,coating,inks – Topwell

    Disperse Dye - Thermochromic pigments for paints,coating,inks – Topwell

    Thermochromic pigments are high quality products offering with different activation temperatures for color to colorless (translucent white) or color to color transition.  The thermochromic pigments are stable under normal conditions with long lasting thermochromic effect.  The components of the pigment are incapsulated in a plastic micro spheres and can NOT be mixed directly with water.  The thermochromic pigments could be still used in water-based binders with higher viscosity. The color cha...
  • Heat Sensitive Pigment - Perylene Red Dye R-300 CAS:112100-07-9 – Topwell

    Heat Sensitive Pigment - Perylene Red Dye R-300 CAS:112100-07-9 – Topwell

    Product Name:Perylene Red Dye Other Name:Red fluorescent dye R 300 Appearance:red powder Application: Widely used in automotive coating industry Solar cells, biochemistry, medicine, super – electronic chemistry and other fields  
  • Thermochromic Temperature Activated Pigment - reversible temperature-sensitive color pigments  – Topwell

    Thermochromic Temperature Activated 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 “...
  • Best quality Changing Color Pigment - Photochromic pigment Sun Sensitive Pigment – Topwell

    Best quality Changing Color 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...
  • Factory wholesale Glow In Dark Pigment - Sun Sensitive Color Changing Photochromic Pigment – Topwell

    Factory wholesale Glow In Dark Pigment - Sun Sensitive Color Changing Photochromic Pigment – Topwell

    Instructions: All of our photochromic pigments are encapsulated meaning they can be used to make photochromic paint, resin epoxy, inks, water based mediums, plastic, gels, acrylic and much more without becoming damaged or drying out the medium. Can appear transparent in a clear medium with a lower powder mixing ratio. Use photo chromatic pigments for a variety of applications! Screen print an invisible design onto a shirt that can only be seen on a bright sunny day!  Applications and Usage:...
  • Infrared Light Dyes - Thermochromic pigment for thermochromic Paint Thermochromic Ink Thermochromic Fabric – Topwell

    Infrared Light Dyes - 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...
  • Best quality Red Fluorescent Pigment - Perylene Red Dye R-300 CAS:112100-07-9 – Topwell

    Best quality Red Fluorescent Pigment - Perylene Red Dye R-300 CAS:112100-07-9 – Topwell

    Product Name:Perylene Red Dye Other Name:Red fluorescent dye R 300 Appearance:red powder Application: Widely used in automotive coating industry Solar cells, biochemistry, medicine, super – electronic chemistry and other fields