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Nir Dye - 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... -
Uv Solar Active 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... -
Factory Supply Uv Phosphor 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... -
Good quality Infrared Light 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... -
Fluorescent Pigment Perylene - 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 -
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Uv Color Changing Pigment - 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... -
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Colour Changing 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... -
2021 High quality Photochromic Pigment Products - 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... -
Sun Light Sensitive Pigment - uv invisible fluorescent pigment for Security printing ink – Topwell
uv invisible fluorescent pigment under visible light, the color is white or nearly transparent,at different wavelengths (254nm, 365 nm, 850 nm) show one or more fluorescent color, including organic, inorganic, twilight and other special effects, beautiful color. The main function is to prevent others from counterfeiting. With high technological content, color hidden good. How to Use: You can use the pigment by itself or incorporate it into another medium. Many of the common uses are for theat... -
Brilliant Fluorescent Pigments - 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...
