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Close your eyes and imagine an airplane. Is it painted white? Most airplanes are, but have you ever wondered why? Many objects or vehicles are assigned a particular color. It has any meaning? Learn more in the article below. Published: 10-10-2023 Color: visual effect or hidden meaning? White reigns among summer clothes. People are more likely to choose this color on sunny days because of its ability to reflect sunlight. In comparison, dark colors absorb light, so in summer we feel much warmer in black clothing. This is also why manufacturers paint airplanes white. This prevents them from heating up. The white color also has a protective function against harmful solar radiation. Additionally, birds do not fly as often toward white airplanes as they do toward darker-colored airplanes. For the same reason, boat manufacturers also opt for white. The white helmet absorbs only 20 percent of solar radiation, which greatly relieves cooling systems and helps reduce the amount of heat generated. Metal hulls are also exposed to corrosion. For this reason, in the case of large ships, such as oil tankers, a specific paint is used, but not white, but copper. The lower part of the hull is usually painted this color only to hide rust stains caused by contact with seawater. The black paint on the top of the tanker plays a similar role: it masks oil stains.
Red, on the other hand, has become the default color for fire trucks, traffic lights or traffic signs. Scientists measure how quickly color reaches our eyes in wavelengths. The longer the wavelength, the sooner we see it. Red has the longest wavelength, so our brain registers it first. That's why a red fire truck immediately stands out from other vehicles. These are just a few examples that show that color is not just about CZ Leads its visual appearance, but also fulfills many other applications. The world of colors has enormous power. It often affects our behavior, emotions, and associations. Determination of dyes and pigments. Dyes can be classified in two different ways: either by their chemical structure or by their application method. The most important database for dyes and pigments is the Color Index International published by the Society of Dyers and Colourists. Each dye, as well as each pigment, has a unique name (CI Generic Name) and a number (CI No.) that reflects the chronological order in which the dyes were marketed. The color index provides useful information for each dye and pigment on application methods and shelf life. It also lists the companies that make each of the products, along with trade names and chemical compositions, if disclosed by the manufacturer. Titanium white: what's behind this name? The pigment known as titanium white is the main industrial application of titanium. It is characterized by a high level of opacity and a strong whitening effect.
Due to its high light reflectance, it is used as an additive in paints dedicated to surfaces exposed to excessive heating. In addition, titanium dioxide is harmless to the environment. Its ability to absorb ultraviolet radiation is also an important advantage, as it increases the durability of products that contain it. In addition to the paint and coating industry, it is also used in metallurgy, the textile industry and in the production of rubber, cosmetics and food products. An important raw material for the production of this pigment is caustic soda , as well as its aqueous solution, caustic soda . Sodium hydroxide - a substance with a wide range of uses The solid form of sodium hydroxide is called caustic soda. It has a white and crystalline structure. It has high hygroscopic properties, so it must be stored in sealed containers. It dissolves very well in water, resulting in caustic soda lye. Due to its properties, sodium hydroxide is used in many sectors of industry. Apart from serving as a raw material in the production of pigments and colorants for paints, it is also used in the production of paper , washing agents , in industrial cleaning , as well as in the pharmaceutical and construction industries . PCC Group Offer The PCC Group's product portfolio includes both caustic soda flakes and lye soda in different concentrations . The production of sodium hydroxide is carried out using one of the most modern technologies, which is membrane electrolysis . This method allows you to reduce the amount of energy used. No substances of animal or plant origin are involved in the production process, so these products meet Kosher requirements. Furthermore, compared to their competitive counterparts, they are characterized by a low chloride (<200 ppm) and iron (<15 ppm) content. Soda lye, thanks to its high quality and purity, also meets the requirements of the latest edition of the European Pharmacopoeia. Industry and environment Environmental pollution is one of the main problems of the modern world.