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Prospects of plexiglass products

by:UNQ     2021-03-26
The production capacity and equipment of large-scale manufacturers are: Heilongjiang Andalongxin Chemical Co., Ltd., in 1987, introduced an annual output of 12,000 tons of molding compound and 2,000 tons of extrusion board production equipment from the American Polymer Technology Company (PTI). Put into operation in 1991; Liaoning Fushun Plexiglass Plant, imported 12,000 t/a molding compound equipment from PTI Company in 1993, and built a 1000t/a pouring plate equipment with domestic technology; Taiwan Shenchun Industrial Co., Ltd. was established in Ningbo in 1992 Ningbo Shenchun Chemical Co., Ltd., solely funded by the development zone, has a production capacity of 10,000 t/a of plexiglass pouring board. The production capacity of my country's main PMMA manufacturers is shown in Table 1. Jiangsu, Zhejiang and Shanghai are the main production areas of my country's plexiglass cast board. Due to the simple process of the model casting method and little investment, many township enterprises use this process for workshop-style production. , The scale of the device is very low, but in foreign countries, this labor-intensive and low-productivity process has been almost completely eliminated. At present, the domestic production and processing capacity of plexiglass is very large, but the product structure is unreasonable. It can only produce ordinary varieties of products, lack of high value-added products, and cannot meet market requirements in terms of variety and quality. For example, the production of extruded boards with high domestic demand and the molding compound used in the production of car tail lights need to be imported in large quantities. In recent years, with the rapid development of my country's national economy and the continuous improvement of people's living standards, PMMA consumption has grown rapidly. However, due to the monotonous variety of PMMA products in my country, the small quantity and poor quality, which cannot meet the domestic market demand, the import volume has increased significantly year by year. In 2000, my country's PMMA molding compound imports reached nearly 77,000 tons, and at the same time imported 3,771 tons of plexiglass sheets. . From the perspective of importing regions, the total import volume of the four provinces and cities of Guangdong, Shanghai, Zhejiang and Jiangsu accounted for about 95% of the total import volume. The import situation of my country's PMAs in recent years is shown in Table 2.

In recent years, with the construction of restaurants, hotels and high-end residential buildings in various cities, my country's architectural lighting has developed rapidly. The lighting system made of plexiglass extruded panels has an overall structure of light weight and light transmission. It has the advantages of high efficiency and strong safety. Compared with inorganic glass lighting devices, it has great advantages. It has been widely used in the construction of hotels, hotels, stadiums and airport terminals. Currently, there are legislations in the United States and Japan that plexiglass must be used for glass in primary and secondary school buildings, and my country is expected to follow suit in the future. At the same time, all parts of the country have accelerated the pace of urban appearance construction. Street signs, advertising light boxes and telephone booths have been built one after another, and a considerable part of the materials used are plexiglass. In terms of sanitary ware, plexiglass bathtubs have been widely used in recent years due to their luxurious appearance, depth, easy cleaning, high strength, light weight and comfortable use. At present, the domestic annual output of plexiglass bathtubs is about 1.5 million. The annual consumption of PMMA extruded board or cast board is about 5000t or more. The consumption structure of my country's PMMA in 2000 is shown in Table 3. PMMA is a product whose characteristics are between relatively cheap resins such as PS, PVC and ABS and high-priced resins such as PC, and its price is also in the middle position. PMMA has certain advantages in light transmittance, weather resistance and gloss, but it has its shortcomings in impact resistance. Because users do not have a deep understanding of the characteristics of PMMA, the domestic market has been impacted by alternatives such as PS, PVC, ABS, and PC. For example, although domestic manufacturers of sunglasses, sunglasses and some myopia lenses consume nearly 10,000 PMMA particles per year. t, but there are still quite a few lenses made of PS. The light transmittance of PS is lower than that of PMMA, which is not good for consumers' eye health when used as optical lenses. Another example is that in the current automobile production in developed countries, it has been stipulated that PMMA plastic must be used for taillights. In my country, many automobile manufacturers still use PS plastic for taillights in order to reduce costs. With the development of my country's national economy, the domestic plexiglass bulk consumer market, such as advertising light boxes, signs, lamps, bathtubs, meters, daily necessities, household appliances, and buildings, still has great potential to be developed. Compared with other resin materials such as PS, PC, PVC, PMMA is superior in many performances. With the increasingly perfect laws and regulations of various industries in our country, PMMA will surely show stronger competitive strength in more application fields. Special plexiglass products such as optical plexiglass, radiation-proof plexiglass and CD-grade plexiglass are still blank in our country, and there is much room for development and development. It is estimated that in the next few years, the domestic plexiglass market will develop at an average annual rate of more than 6%, which is roughly the same as that of my country's national economy. It is estimated that by 2005, the domestic plexiglass market will have a capacity of approximately 110,000 tons.

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