product

  • Thermochromic Powder For Slime - Thermochromic Pigment Thermal Color Change Temperature Activated Powder for coating – Topwell

    Thermochromic Powder For Slime - 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...
  • Fluorescent Pigment - UV Fluorescent Pigments for security – Topwell

    Fluorescent Pigment - UV Fluorescent Pigments for security – Topwell

    UV fluorescent pigment Also called Anti-counterfeit pigment. It is light color under visible light. When it is under UV light,  it will show beautiful colors.  Active peak wavelength is 254nm and 365nm. Benefits High light fastness options available. Achieve any desired optical effect within the visible spectrum.   Typical Applications Security documents:postage stamps,  credit cards, lottery tickets, security passes, brand protection   Application industry: Anti-counterfeiting in...
  • Red Fluorescent Pigment - 365nm organic uv fluorescent pigment for security ink – Topwell

    Red Fluorescent 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...
  • High definition Heat Sensitive Pigment - UV Fluorescent Pigments for security – Topwell

    High definition Heat Sensitive Pigment - UV Fluorescent Pigments for security – Topwell

    UV fluorescent pigment Also called Anti-counterfeit pigment. It is light color under visible light. When it is under UV light,  it will show beautiful colors.  Active peak wavelength is 254nm and 365nm. Benefits High light fastness options available. Achieve any desired optical effect within the visible spectrum.   Typical Applications Security documents:postage stamps,  credit cards, lottery tickets, security passes, brand protection   Application industry: Anti-counterfeiting in...
  • Fluorescent Pigment Perylene Orange - UV Fluorescent Security Pigments – Topwell

    Fluorescent Pigment Perylene Orange - 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...
  • Thermochromic Powder For Slime - Thermochromic Temperature Activated Pigment – Topwell
  • Photochromic Pigment For Inks - Light Sensitive Pigment color change  by sunlight for paints – Topwell

    Photochromic Pigment For Inks - Light Sensitive Pigment color change by sunlight for paints – Topwell

      Light Sensitive Pigment 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.   Application:  1. Ink. Suitable for all types of printi...
  • 2021 High quality Thermochromic Pigment Black To Clear - reversible temperature-sensitive color pigments  – Topwell

    2021 High quality Thermochromic Pigment Black To Clear - 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 “...
  • Orange Red Color Fluorescent Pigment Powder - UV Fluorescent Security Pigments – Topwell

    Orange Red Color Fluorescent 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...
  • Sensitive Dyes - reversible temperature-sensitive color pigments  – Topwell

    Sensitive Dyes - 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 “...
  • Color Shift Powder - uv fluorescent pigments powder – Topwell

    Color Shift Powder - 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 ...
  • Phosphorescent Pigments - light sensitive color change powder Sun UV photochromic pigment – Topwell

    Phosphorescent Pigments - light sensitive color change powder Sun UV photochromic pigment – Topwell

      Photochromic pigment is a kind of microcapsules. With the original powder wraped in the microcapsules.Powder materials can change color in the sunlight. This kind of material has the characteristics of sensitive color and long weather ability. It can be directly added in proportion to the appropriate product. We produce the powder particle size is about 3-5 um, effective component concentration is higher than other similar products in the market. Heat resistance temperature up to 230 d...