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Infrared Light 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... -
Photochromic 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... -
Super Lowest Price Colour Shift 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% -
Thermochromic 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 “... -
Colour Changing Nail Pigment Powder - 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... -
Pigment Fluorescent Uv - 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 ... -
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Photochromic Pigment - color changing powder photochromic pigment for plastic – Topwell
Product Name：Photochromic Pigment Other Name：Sunlight Sensitive Pigment Product Information： Photochromic pigment changes its color when it is under sunlight . When under Ultraviolet light or sunlight , it becomes colorful, purple, red, blue, yellow etc . When UV source is removed, photochromics return to their original color. Application： ♦Paint: suitable for use surface coating products such as PMMA paint, ABS spray paint, PVC paint and water-based paint. ♦Ink: sui... -
Pigment Fluorescent Uv - 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... -
Hot New Products Color Changing Pigment Photochromic Pigment - 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... -
Color Shift Powder - 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% -
