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1. As a black pigment

Among numerous black paints and inks, acetylene black is an excellent choice of black pigment. Take automotive repair paint as an example; it can give the repaired area a deep and pure black effect, making it precisely match the color of the original car paint. This is due to the characteristics of acetylene black as a high-pigment carbon black. Its small particle size and large specific surface area allow it to absorb and scatter light very effectively, thus presenting an extremely rich black tone. In high-end ink products used for printing high-quality book covers or art albums, the addition of acetylene black can effectively ensure the depth and saturation of the black ink color. Compared with other black pigments, it makes the black areas of printed matter more eye-catching and details clearer, giving people a high-quality visual experience.

2. Used to enhance conductivity

In some paints and inks that require anti-static or conductive properties, acetylene black plays a crucial role. Taking the conductive paint of electronic device casings as an example, acetylene black can build conductive channels, enabling the casing to have excellent electrostatic discharge capabilities. When static electricity is generated during the operation of electronic devices, this type of paint can promptly conduct the static electricity away, preventing the accumulation of static electricity from damaging electronic components. In printed circuit board (PCB) inks, the conductivity of acetylene black helps to achieve electrical connections between lines or become part of the electromagnetic shielding layer. In this way, this ink can effectively block electromagnetic interference and ensure the accuracy and stability of signal transmission on the circuit board.

3. Enhanced UV resistance

For paints and inks used in outdoor environments, such as exterior wall paints and outdoor billboard inks, acetylene black can enhance the UV resistance of the products. Ultraviolet light is one of the key factors that cause paints and inks to age and fade. Acetylene black can absorb ultraviolet light and convert it into heat energy to dissipate, thereby slowing down the photodegradation process of paints and inks and extending their service life. For example, in marine ship paints, the addition of acetylene black can effectively resist the double erosion of seawater and ultraviolet light on the hull coating, protect the hull metal structure, and reduce maintenance frequency and cost.