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Black Thermochromic Paint - 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 “... -
China OEM Color Change Ink – 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 “... -
Manufacturer for Daylight Fluorescent Pigments - 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... -
Thermal Dust 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... -
Best quality Changing Color Pigment - Sunlight Sensitive Pigment – Topwell
Benefits of Sunlight Sensitive Pigment in Different Uses Here are some benefits of Sunlight Sensitive Pigment as per their characters and applications. Lense: The photochromic lens is adaptable to changes taking place in the environment. The reduction of eyestrain helps in providing comfort as the glare of the sun is reduced. Photochromic is approximately available for all prescriptions. The absorption of UV, UVB and UVA rays promote the protection of eyes. They even work suitable for the req... -
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Wholesale Price Fluorescent Pigments - 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... -
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Photochromic Pigment Powder - 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... -
Good Quality Photochromic Pigment - 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... -
2021 China New Design Color Changing Pigments For Paint - 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... -
Best quality Color Change Powder Thermochromic 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...
