How to maintain the stability of light transmittance of PC plastic lighting lampshades during long-term use?

Choose PC raw materials from well-known suppliers, who usually have strict quality control systems to ensure the purity and stability of raw materials. High-quality PC materials have lower impurity content and higher molecular chain stability, which reduces the decrease in light transmittance caused by problems with the material itself. It is crucial to conduct light transmittance and weather resistance tests before selecting materials. By simulating the actual use environment and aging process, evaluate the changes in light transmittance of materials under different conditions to ensure that the selected materials can meet the needs of long-term use.
In addition to basic polishing and grinding, advanced surface treatment technologies such as ultrasonic cleaning and plasma treatment can also be used to further improve the finish and flatness of the plastic lighting lampshade surface. These technologies help reduce the scattering of light on the surface and improve light transmission efficiency. Applying a layer of anti-UV coating on the surface of the lampshade can effectively block the invasion of ultraviolet rays and protect PC materials from ultraviolet-induced aging. The selection of anti-UV coating should be based on its light transmittance, durability and compatibility with PC materials.
Through experiments and data analysis, optimize the injection molding process parameters, such as injection pressure, injection speed, holding time and cooling time. The reasonable setting of these parameters helps to reduce stress concentration and material degradation during the injection molding process, and ensure the internal structure and appearance quality of the lampshade. The design of the mold should fully consider the fluidity and shrinkage of the PC material to ensure that the flow channel of the mold is smooth and the exhaust is good. At the same time, the mold should be regularly maintained and serviced, such as cleaning the mold surface, checking the mold dimensional accuracy and replacing worn parts, to ensure the stability and consistency of the injection molded product.
During storage and use, try to avoid exposing the PC lampshade to high temperature, humidity or direct sunlight. The use environment can be optimized by installing a sunshade, adjusting the indoor temperature and humidity, etc. During cleaning and maintenance, use detergents and tools compatible with PC materials and avoid using chemicals containing corrosive ingredients. At the same time, pay attention to prevent the lampshade from contacting with organic solvents, grease and other substances that may damage it.
Clean and maintain the lampshade regularly, and use a soft cloth and appropriate detergent to gently wipe the surface to remove dust and dirt. Avoid using rough cloth or brushes to avoid scratching the surface. Establish a regular performance monitoring mechanism and use professional transmittance testers and other equipment to regularly test the light transmittance of the lampshade. Once the light transmittance is significantly reduced or other abnormal conditions occur, the cause should be promptly identified and appropriate measures should be taken to deal with it.
Maintaining the stability of the light transmittance of PC plastic lighting lampshades during long-term use requires comprehensive consideration of material selection, surface treatment, injection molding process, protective measures, and regular maintenance and inspection. Through scientific management and maintenance measures, it can be ensured that the lampshade always maintains excellent light transmittance and service life.