The waterproof performance of the lens mainly depends on the waterproof coating on its surface. This coating can not only effectively block water penetration, but also enhance the wear resistance and anti-aging ability of the lens surface, thereby extending the service life of the lens. The mechanism of action of the waterproof coating is to form a dense film with extremely low surface energy, making it difficult for water droplets to stay and penetrate on its surface. At the same time, the coating can also increase the hardness of the lens surface, resist scratches and wear, and maintain the optical clarity of the lens.
The performance of the waterproof coating depends largely on the choice of its material. Common waterproof coating materials include nano-silica, fluorocarbon resin, etc., each of which has unique properties and advantages.
Nano-silica is an inorganic nanomaterial with excellent waterproof, anti-fouling and anti-ultraviolet properties. Its surface is rich in a large number of hydroxyl groups, which can chemically bond with the hydroxyl groups on the surface of the lens to form a strong adhesion layer. At the same time, nano-silica has a small particle size and can form a dense film to effectively block the penetration of water and pollutants. In addition, nano-silica also has excellent anti-aging properties and can resist damage to the lens caused by environmental factors such as ultraviolet rays and high temperature.
Fluorocarbon resin is an organic polymer material with extremely low surface energy and excellent waterproof and oil-proof properties. Its molecular structure contains a large number of fluorine atoms, which makes the resin surface extremely hydrophobic and oleophobic. Fluorocarbon resin coating can form a smooth and dense film, which effectively prevents the attachment and penetration of moisture and pollutants. At the same time, fluorocarbon resin also has good weather resistance and corrosion resistance, can resist the erosion of chemicals such as acids, alkalis, and salts, and protect the lens from damage by environmental factors.
The coating process of waterproof coating is the key to ensure the performance of coating. The coating process needs to strictly control the parameters such as the coating ratio, coating method, coating thickness, and curing conditions to ensure that the coating can be evenly and firmly attached to the lens surface.
The coating ratio is an important factor affecting the performance of the coating. Coatings of different materials need to be mixed in a certain proportion to achieve the best waterproof, wear-resistant, and anti-aging effects. At the same time, the viscosity, solid content and other parameters of the coating also need to be adjusted according to the material, shape and coating method of the lens.
The choice of coating method depends on the shape, size and coating requirements of the lens. Common coating methods include dipping, spraying, brushing, etc. Dipping is suitable for small, regular lenses; spraying is suitable for large, complex lenses; brushing is suitable for areas that require fine coating. When choosing a coating method, factors such as the fluidity of the coating, coating efficiency, and coating uniformity need to be considered comprehensively.
Coating thickness is one of the key factors affecting coating performance. If the coating is too thin, it may lead to insufficient waterproof performance and fail to effectively block water penetration; if the coating is too thick, it may cause the coating to crack and fall off, affecting the optical and mechanical properties of the lens. Therefore, the thickness of the coating needs to be strictly controlled during the coating process to ensure that the coating can be evenly and firmly attached to the lens surface.
Curing is an indispensable step in the coating formation process. Curing conditions include parameters such as temperature, time, and humidity. The selection of these parameters needs to be adjusted according to the type of coating and the material of the lens. During the curing process, it is necessary to ensure that the coating can be fully cross-linked and cured to form a dense film, thereby improving the waterproof and wear resistance of the coating.
In the waterproof IP68 LED dual-lamp cup dual-light lens, the application of waterproof coating is crucial. By coating high-performance waterproof coatings such as nano-silicon dioxide or fluorocarbon resin, the waterproof performance of the lens has been significantly improved. At the same time, the coating can also enhance the wear resistance and anti-aging ability of the lens surface and extend the service life of the lens.
In the field of automotive lighting, the waterproof IP68 LED dual-lamp cup dual-light lens can withstand the erosion of rain and muddy water, ensuring the lighting effect and safety when driving at night. In the field of outdoor lighting, the lens can resist the invasion of bad weather and maintain long-term stable lighting. In the field of industrial lighting, the lens can resist the erosion of corrosive gases and liquids to ensure the normal operation of lighting equipment.
The application of waterproof coating also improves the optical and mechanical properties of the lens. The coating can reduce the reflection and scattering of the lens surface and improve the transmittance and uniformity of light. At the same time, the coating can also enhance the hardness of the lens surface, resist scratches and wear, and maintain the optical clarity of the lens.