Glass beads have great market potential in reflective materials
Column:NEWS Time:2020-11-19

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With the acceleration of China's highway traffic construction in the next few years or even more than ten years, the gradual implementation of urbanization and urbanization strategy, the further expansion of China's openness, the growing "cake" of tourism industry and people's fashion pursuit for colorful life, the development prospect of reflective materials in China and even the world market is very good.

Experts from the Institute of physical and chemical technology of the Chinese Academy of Sciences said that reflective materials mainly include reflective film, reflective ink, reflective marking paint, reflective cloth, reflective leather, reflective ribbon, reflective safety silk fabric, etc. The main reason why reflective materials can reflect light is that most reflective materials contain a kind of high refractive index glass beads. It is precisely because of its existence that the human beam is reflected back to the light source according to the original path, forming the regression reflection phenomenon.

According to the different positions of glass beads in reflective materials, reflective materials can be divided into exposed type and flat top type. The exposed type refers to that the glass beads are located on the most surface of the reflective material, and the beads are in direct contact with the air. Flat top type refers to glass beads embedded in transparent resin, and the resin is in contact with air. This kind of material has good weather resistance, can reflect colored light, the surface is not easy to adhere to dust, and is not affected by rainy days, but the structure is complex, and the equipment process requirements are high. The main products are all kinds of reflective films, and the reflective materials used on high-speed highways belong to this type.

At present, the application of reflective materials is mainly concentrated in two major market areas, one is the planned special market, the other is the civil market. At present, the planned special market has formed a considerable scale, while the civil market has great potential. It is a pioneer of reflective materials in the world, such as 3M company in the United States.

The so-called planned special market generally refers to the areas where reflective materials must be used according to the national directives and regulations, such as the work uniforms of the staff of public security, transportation and environmental sanitation departments, road signs, signs, markings, clothing and braces of field workers such as mines and railways.

Reflective coatings include road sign reflective coating and regression reflective paint. Traditional sign materials (hot melt paint, cold spray paint) not only need to allocate a lot of manpower to work, but also easy to produce paint dropping phenomenon, which does not have reflective performance. In foggy and rainy days, it is similar to the ground and needs strong light to be able to distinguish. However, regression reflective coating refers to spraying a layer of glass beads on the surface of common coating materials. Its use not only overcomes the above defects, but also ensures the safety of drivers The whole train operation is guaranteed.

In 1998, China's expressways reached 8733 km, 140522 km of trunk lines or national highways, and 20 million motor vehicles. The annual demand for reflective coatings and reflective inks is 8000 tons and 2000 tons respectively, with a total output value of 200 million yuan. At the same time, statistics from the Ministry of traffic safety show that there were 601471 traffic accident deaths in major countries in the world in 1998, and 78067 in China alone, ranking first in the world. According to the comprehensive analysis, the traffic accidents in major cities in China at night are obviously higher than in the daytime, and the peak of traffic accidents is concentrated in the period of 8-10 p.m., one of the reasons is the low visibility of roads. The emergence of reflective materials successfully solved the problem of "seeing" and "being seen" at night.

Experts especially pointed out that with the booming tourism market in recent years, it is the best opportunity to attract foreign tourists and show their own image for Beijing and other major domestic central cities and tourist cities. One of the most effective methods is to set up good guide signs, novel and beautiful street name signs, fresh tourist attractions signs, bright traffic signs and good station signs. These not only make every corner of the city include the concept of safety warning, but also make drivers have correct guidance in the complicated traffic environment and effectively display City image and city management ability produce good social benefits. This demand is bound to drive the development of reflective material market and become a new economic growth point. Taking the renewal of famous brand of Beijing street as an example, Beijing public security and traffic administration bureau implements the street brand reconstruction project. Due to the domestic quality and technical defects, this project is undertaken by 3M company. Only this project has won millions of yuan. We can imagine the market prospect of reflective coatings and reflective materials in the future.

In addition, the reflective safety fabric can also be made into shoulder belt clothing for sanitation workers and traffic police to improve the safety of employees. It is estimated that if 0.02 square meters of reflective fabric is added to the clothing of each person in Beijing, the annual consumption will be more than 10000 square meters. The so-called civil market, generally refers to light industry, mines, railways, student clothing, all kinds of clothing, clothing, hats, bags and other fields. With the enhancement of people's safety awareness, the civil market is gradually expanding. Only the clothing industry needs 15 million square meters of reflective cloth, reflective leather and reflective ribbon every year. However, China's current production capacity is not more than 2 million square meters, and nearly 1 / 3 of the volume is exported to other countries and regions, with huge market potential.

It is reported that China's research on reflective materials began in the early 1970s. During the "Seventh Five Year Plan" and "Eighth Five Year Plan" period, the Ministry of safety, the Ministry of communications, the Ministry of Railways and other relevant departments have listed the project into the plan and organized to tackle key problems. After nearly 20 years of unremitting efforts, reflective cloth and reflective leather have been produced on a large scale in China. As the production technology of reflective film is difficult, the production equipment is not matched, and the quality of domestic products is still at a low level, which can not meet the high-quality demand of highway and other markets. Therefore, China imports about 20 million US dollars of reflective film from 3M company every year