product

  • Fluorescent Pigment - invisible security pigment – Topwell

    Fluorescent Pigment - invisible security pigment – Topwell

      invisible security pigment   Product Name:invisible security pigment other name:UV Fluorescent pigment Appearance: White or off-white powder Luminous color: Red, Blue, Green, Yellow, White, Purple Style: Inorganic/Organic pigment Irradiated light: 365nm UV light   Advantages: 1)brightly luminous/high luminous; 2)energy-saving, environmental protection, non-toxic, harmless; 3)stability chemical, good water resistance and temperature resistance; 4)Long service life: More than...
  • Colour Changing Nail Pigment Powder - UV Fluorescent Security Pigments – Topwell

    Colour Changing Nail Pigment Powder - UV Fluorescent Security Pigments – 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.   Features Organic and inorganic  Emission in the visible portion of the spectum following stimulation with either long- or short- wave UV. Complete range of visible emission colours. Gasochromic grades available. A range of particle sizes, lightfastness, body colour and solubilitie...
  • Hot-selling Dyes Pigment - thermochromic pigment for heat sensitive car paint heat activated color changing pigment  – Topwell

    Hot-selling Dyes Pigment - 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...
  • Good quality Temperature Pigment - Sun Sensitive Color Changing Photochromic Pigment – Topwell

    Good quality Temperature 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:...
  • Fast delivery Phthalocyanine Dye - photochromic pigment for color changing paint uv color change powder in sun – Topwell

    Fast delivery Phthalocyanine Dye - photochromic pigment for color changing paint uv color change powder in sun – Topwell

    Photochromic Pigments. These pigments normally have a pale, off-white appearance but in sunlight or UV light they change to a bright, vivid colour. The pigments revert to their pale colour when away from sunlight or UV light. Photochromic pigment can be used in paint, ink, plastic industry. Most of the design of the product is indoor (no sunshine environment) colorless or light color and outdoor (sunlight environment) have bright-colored.   Spcification:       Photochromic pigm...
  • OEM/ODM Supplier Perylene Orange Dye  - temperature changing color paint thermochromic paint pigments  – Topwell

    OEM/ODM Supplier Perylene Orange Dye  - 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...
  • Uv Solar Active Powder - invisible security pigment – Topwell

    Uv Solar Active Powder - invisible security pigment – Topwell

      invisible security pigment   Product Name:invisible security pigment other name:UV Fluorescent pigment Appearance: White or off-white powder Luminous color: Red, Blue, Green, Yellow, White, Purple Style: Inorganic/Organic pigment Irradiated light: 365nm UV light   Advantages: 1)brightly luminous/high luminous; 2)energy-saving, environmental protection, non-toxic, harmless; 3)stability chemical, good water resistance and temperature resistance; 4)Long service life: More than...
  • Super Lowest Price Nir Dye 880nm - Photochromic pigment Sun Sensitive Pigment – Topwell

    Super Lowest Price Nir Dye 880nm - 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...
  • OEM/ODM Factory Color Shift Pigment Wholesale - Perylene Orange high fluorescent pigment orange F240 – Topwell

    OEM/ODM Factory Color Shift Pigment Wholesale - Perylene Orange high fluorescent pigment orange F240 – Topwell

    Product Name:Perylene Orange Other Name:Lumogen F orange 240 N,N’-Bis(2,6-diisopropylphenyl)-3,4,9,10-perylenetetracarboxylic Diimide Classification:Functional Dyes Application:performance chemical for coating,plastics and specialties [Appearance] orange powder [Heat resistance] 300°C [λ(max)] 525 ±2 nm (in ethylenedichloride) [Purity] ≥98%
  • Hot-selling Dyes Pigment - Thermochromic pigment for thermochromic Paint Thermochromic Ink Thermochromic Fabric – Topwell

    Hot-selling Dyes 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...
  • 2021 China New Design Neon Fluorescent Pigment - Perylene Orange high fluorescent pigment orange F240 – Topwell

    2021 China New Design Neon Fluorescent Pigment - Perylene Orange high fluorescent pigment orange F240 – Topwell

    Product Name:Perylene Orange Other Name:Lumogen F orange 240 N,N’-Bis(2,6-diisopropylphenyl)-3,4,9,10-perylenetetracarboxylic Diimide Classification:Functional Dyes Application:performance chemical for coating,plastics and specialties [Appearance] orange powder [Heat resistance] 300°C [λ(max)] 525 ±2 nm (in ethylenedichloride) [Purity] ≥98%
  • Excellent quality Temperature Sensitive Pigment - Perylene Red 620 – Topwell

    Excellent quality Temperature Sensitive Pigment - 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...