product

  • Uv Invisible Pigment - 365nm organic uv fluorescent pigment for security ink – Topwell

    Uv Invisible Pigment - 365nm organic uv fluorescent pigment for security ink – Topwell

    uv fluorescent pigment is organic pigment,we have Red,Green,Yellow and Blue ,4 regular colors,And there are many other custom colors! UV fluorescent security pigments Can be directly added to the ink, paint, forming security fluorescent effect, 1. Ink: for a good solvent resistance and no color shift of the printing of the finished product does not pollute. 2. Paint: resistance to optical activity three times stronger than other brands, durable bright fluorescence can be used on adverti...
  • Reasonable price Color Change Pigment Powder - Sun Sensitive Color Changing Photochromic Pigment – Topwell

    Reasonable price Color Change Pigment Powder - 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:...
  • Color Changing Pigment For Fabric - uv invisible fluorescent pigment for Security printing ink – Topwell

    Color Changing Pigment For Fabric - uv invisible fluorescent pigment for Security printing ink – Topwell

    uv invisible fluorescent pigment under visible light, the color is white or nearly transparent,at different wavelengths (254nm, 365 nm, 850 nm) show one or more fluorescent color, including organic, inorganic, twilight and other special effects, beautiful color. The main function is to prevent others from counterfeiting. With high technological content, color hidden good. How to Use: You can use the pigment by itself or incorporate it into another medium. Many of the common uses are for theat...
  • Infrared Pigment - photochromic pigment – Topwell

    Infrared 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...
  • Good quality Infrared Light Dyes - thermochromic pigment for heat sensitive car paint heat activated color changing pigment  – Topwell

    Good quality Infrared Light Dyes - thermochromic pigment for heat sensitive car paint heat activated color changing pigment – Topwell

    Product Name:thermochromic pigment Other name:heat activated pigment,color change by temperature pigment   Thermochromic pigment can be used for all types of surfaces and mediums such as paint, clay, plastics, inks, ceramics, fabric, paper, synthetic film, glass, cosmetic color, nail polish, lipstick, etc.Application for offset ink, security offset ink, Screen printing application, marketing, decoration, advertising purposes, plastic toys and smart textiles or whatever your imaginatio...
  • Thermochromic Temperature Activated Pigment Powder - Thermochromic pigment for thermochromic Paint Thermochromic Ink Thermochromic Fabric – Topwell

    Thermochromic Temperature Activated Pigment Powder - 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...
  • Hot sale Phosphorescent Pigments - Photochromic pigment uv pigment color change powder by sunlight – Topwell
  • Color Shift Powder - Perylene Red 620 – Topwell

    Color Shift Powder - Perylene Red 620 – Topwell

    Perylene Red 620 product name:high fluorescent pigment other name:Red F 300 CAS No.: 123174-58-3/ 112100-07-9   The perylene group is a kind of thick cyclic aromatic compound containing dinaphthalene inlaid benzene,These compounds have excellent dyeing properties, light fastness, climate fastness and high chemical inertia, and are widely used in automotive decoration and coating industry! Perylene red 620 was highly absorbable in both ultraviolet and visible light regions, especiall...
  • Heat Changing Pigment - uv fluorescent invisible pigment – Topwell

    Heat Changing 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...
  • 2021 High quality Thermochromic Pigment Black To Clear - temperature changing color paint thermochromic paint pigments  – Topwell

    2021 High quality Thermochromic Pigment Black To Clear - temperature changing color paint thermochromic paint pigments – Topwell

    Product Name:thermochromic pigments Other Name:temperature sensitive pigment,pigment color change by temperature    Application in Ink & Paint 1. Can disperse in ink and paint, avoid to dilute with polar solvent as alcohol, acetone. The alkene solvent as toluene, xylene is suitable. 2. Can apply in both oil and water type resin. 3. Proper PH value of selected substrate for it is 7-9. 4. Suggested usage is 5%~30% (w/w). 5. Suitable for screen, gravure, and flex graphic printing ink...
  • Sunlight Sensitive Pigment -  Sunlight Sensitive Pigment – Topwell

    Sunlight Sensitive Pigment - Sunlight Sensitive Pigment – Topwell

    Benefits of Sunlight Sensitive Pigment in Different Uses Here are some benefits of Sunlight Sensitive Pigment as per their characters and applications. Lense: The photochromic lens is adaptable to changes taking place in the environment. The reduction of eyestrain helps in providing comfort as the glare of the sun is reduced. Photochromic is approximately available for all prescriptions. The absorption of UV, UVB and UVA rays promote the protection of eyes. They even work suitable for the req...
  • Color Change Powder Thermochromic Pigment - temperature changing color paint thermochromic paint pigments  – Topwell

    Color Change Powder Thermochromic Pigment - temperature changing color paint thermochromic paint pigments – Topwell

    Product Name:thermochromic pigments Other Name:temperature sensitive pigment,pigment color change by temperature    Application in Ink & Paint 1. Can disperse in ink and paint, avoid to dilute with polar solvent as alcohol, acetone. The alkene solvent as toluene, xylene is suitable. 2. Can apply in both oil and water type resin. 3. Proper PH value of selected substrate for it is 7-9. 4. Suggested usage is 5%~30% (w/w). 5. Suitable for screen, gravure, and flex graphic printing ink...