product

  • Uv Phosphor Powder - UV Invisible fluorescent pigment – Topwell

    Uv Phosphor 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...
  • Thermochromic Temperature Activated Pigment - temperature changing color paint thermochromic paint pigments  – Topwell

    Thermochromic Temperature Activated 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...
  • 2021 wholesale price Fluorescent Pigment Powder - Perylene Red 620 – Topwell

    2021 wholesale price Fluorescent Pigment 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...
  • Thermochromic Dyes - Thermochromic pigments for paints,coating,inks – Topwell

    Thermochromic Dyes - 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...
  • China Cheap price Fluorescent Pigment Red 311 - High Fluorescent Red Dye for Greenhouse Film CAS 123174-58-3 – Topwell

    China Cheap price Fluorescent Pigment Red 311 - 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.
  • OEM/ODM Factory Fluorescent Glow Powder - Thermochromic pigments for paints,coating,inks – Topwell

    OEM/ODM Factory Fluorescent Glow Powder - 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...
  • Uv Visible Pigments - Light Sensitive Pigment color change  by sunlight for paints – Topwell

    Uv Visible Pigments - 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...
  • Factory wholesale Thermal Pigment Powder - invisible security pigment – Topwell

    Factory wholesale Thermal Pigment 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...
  • High Quality Sunlight Sensitive Coating Dye For Photochromic Lenses - photochromic pigment for color changing paint uv color change powder in sun – Topwell

    High Quality Sunlight Sensitive Coating Dye For Photochromic Lenses - 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...
  • Fluorescent Pigment Perylene Orange - 365nm organic uv fluorescent pigment for security ink – Topwell

    Fluorescent Pigment Perylene Orange - 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...
  • Bottom price Reactive Dyes - Thermochromic pigment for thermochromic Paint Thermochromic Ink Thermochromic Fabric – Topwell

    Bottom price Reactive 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...
  • OEM/ODM Supplier Thermal Color Changing Powder - uv fluorescent pigments powder – Topwell

    OEM/ODM Supplier Thermal Color Changing 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 ...