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Nir Absorbing Materials - 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... -
Wholesale Price China Orange Red Color Fluorescent Pigment Powder - Perylene Red Dye R-300 CAS:112100-07-9 – Topwell
Product Name：Perylene Red Dye Other Name：Red fluorescent dye R 300 Appearance：red powder Application： Widely used in automotive coating industry Solar cells, biochemistry, medicine, super – electronic chemistry and other fields -
Temperature Color Change Pigment - Color Change Pigment UV Photochromic Pigment for Textile – Topwell
CHARACTERISTIC & RECOMMENDED USAGE AMOUNT Characteristic: Average particle size: 3 microns; 3% moisture content; heat resistance: 225ºC; Good dispersion; good weather fastness. Recommended usage amount: A. Water-based ink/paint: 3%~30% W/W B. Oil-based ink/ paint: 3%~30% W/W C. Plastic injection/ extrusion: 0.2%~5% W/W Application It can be used for textiles, clothing printing, shoe materials, handicrafts, toys, glass, ceramic, metal, paper, plastic, etc. Tips 1.Substrate selection: PH... -
Professional China 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... -
Factory Supply Uv Visible Pigments - 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... -
100% Original Color Changing Pigment Powder - invisible pigment – Topwell
Invisible pigment also called uv invisible pigment，UV fluorescent powder. 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. Inorganic UV Invisible pigment Powder 365nm Available Colors 1: red 2: yellow 3: green 4: blue 5: white 6:pink Organic UV Invisible pigment Powder 365 nm Available Colors 1: red 2: yellow 3: green 4: blue Appl... -
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... -
China Cheap price Black To Clear Thermochromic Paint - 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... -
Brilliant Fluorescent Pigments - 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-selling Dyes 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... -
Color Changing Pigment Photochromic Pigment - 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... -
High Quality for Colour Shift 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...
