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China printing exhibition
On April 10, 2023, the China Printing Exhibition was held in Guangzhou. After 5 days of display and communication, our company has achieved gratifying results. Our company exhibits a wide range of products.Attracted a large number of domestic and foreign buyers to negotiate, and with professional...Read more -
How crime labs examine car paint layers
We use cookies to improve your experience. By continuing to browse this site, you agree to our use of cookies. More information. When a traffic accident is reported and one of the vehicles leaves the scene, forensic laboratories are often tasked with recovering the evidence. Residual evidence inc...Read more -
What is photochromic pigment?
Phtochromic pigment is a kind of microcapsules. With the original powder wraped in the microcapsules. Powder materials can change color in the sunlight. This kind of material has the characteristics of sensitive color and long weather ability. It can be directly added in proportion to the appropr...Read more -
perylene black for infrared-transparent coatings
Pigment black 32 is a perylene black for infrared-transparent coatings. This product is suitable for the following applications: baking finishes; water-based; acrylic/isocyanate; acid-curable; amine-curable; and air-drying.Read more -
Anti-blue light film introduction
The anti-blue light film mainly realizes anti-blue light by absorbing or reflecting blue light. Light blocking effect. By controlling the blocking rate of blue light in specific bands, as much as possible。 Reduces tonal variation, low color casts, and maintains a certain level of brightness for ...Read more -
Photochromic dyes
Photochromic dyes are a new class of functional dyes. The solution formed by dissolving such dyes in organic solvents is colorless indoors when the concentration is certain. Outdoors, the solution will slowly develop a specific color when exposed to sunlight. Put it back indoors (or in a dark pla...Read more -
UV Fluorescent security pigment
UV Fluorescent security pigment are excited by UV light and emit visible light. Topwell’s fluorescent products have an easy to implement fluorescent effect with excellent emission intensity, displaying colors from ice blue to deep red. Our company offers a wide range of colors as below: Red, y...Read more -
Thermochromic ink
Thermochromic ink is a viscose-like mixture composed of thermochromic powder, connecting material and auxiliary materials (also known as auxiliary agents) in a certain proportion. Its function is to form on paper, cloth, plastic or other substrates. A pattern or text that changes color. In the co...Read more -
NIR 980 and NIR 1070
The term near-infrared (NIR) dye has found many application in our daily life. The emission wavelengths of near-infrared (NIR) dyes range from 700 nm to 1200 nm. Due to their promising application prospect, near-infrared (NIR) dyes are widely concerned and studied. Our NIR Dyes are incorporated i...Read more -
Perylene Pigment for coating and paints
Pigments are important constituents in paints, coatings and inks. They are added to paints and coatings formulations to impart color, bulk or a desired physical and chemical property to the wet or dry film. Are you searching for the right pigment for your formulation? Explore here, the detailed k...Read more -
Pigment Red 179
Pigment Red 179 is suitable for automotive coating and refinish, polyvinyl chloride plastics and fibers. Pigment Red 179 is one of the pigments with highest business value. For the automotive coating and refinish, it can be used together with other organic/inorganic pigment to extend the hue to y...Read more -
Photoinitiator
photoinitiator Photoinitiator, also known as photosensitizer or photocuring agent, is a kind of synthetic agent that can absorb the energy of certain wavelength in the ultraviolet region (250 ~ 420nm) or the visible region (400 ~ 800nm) and produce free radicals and cations. To initiate monomer p...Read more
