At present, the scale of domestic large-scale vacuum rake dryers and fluidized bed drying equipment enterprises is relatively small compared with foreign enterprises. Moreover, the technology reserves are insufficient and the means of processing equipment are somewhat primitive. At the same time, many dry companies are ignoring the quality of their products in order to pursue profits, and products will experience deviations during use. Therefore, companies should make great efforts to improve the market competitiveness of enterprises, further expand the scale of the company, and further upgrade the quality and technology. This year, the overall economic operation of the petrochemical industry is not optimistic and it is a challenge for the drying equipment industry. Changes in the situation have not only exerted pressure on the production and operation of industrial enterprises, but also laid a foundation for the transformation and upgrading of industrial enterprises. China's drying equipment industry has embarked on a virtuous development path and needs to start with the following three aspects. First, we must speed up the establishment of a standard system. Enterprises should have high requirements on the quality standards of their products, so as to form a sound development. The work of setting the standard of drying equipment from a chemical point of view has not yet been carried out on a large scale, and many drying equipment companies have not attached great importance to the standard. In addition, the standards will regulate the internal management of enterprises, and there are quantitative indicators in the standards. Drying equipment companies should attract sufficient attention. Secondly, the upgrading of the structure of the equipment itself is relatively minor. Enterprises must strengthen this awareness. When designing and manufacturing drying equipment, the first problem to be recognized and solved is the combination of equipment and process. It must be based on the nature of the material. Determine the device structure. High-end enterprise in drying equipment industry equipment and technology are able to combine very good business, there is a deep understanding of corporate materials for downstream users. In the case where many devices fail to use, everyone thinks that it is a problem with the device. In fact, the device and the material do not match. Therefore, companies should attach great importance to the understanding and understanding of downstream user materials in order to design production equipment. Again, the number of companies is not necessarily large, but companies must have a certain scale and technical level. China's development of drying technology is not a long time. Companies have not experienced large economic fluctuations and large industry reshuffles in the past. The days are considered to be decent and supportive. The law of China's drying industry is that the barriers to entry are relatively low, and ordinary workers can run a company. This is also the reason why the number of companies is relatively large. In addition, downstream users have a wide range of demand for drying equipment, high-end, low-end products are needed, and small and medium-sized drying equipment companies also have room for survival. Of course, the small and medium-sized drying equipment companies will certainly be greatly affected once the downstream demand has large fluctuations.
PUR hot melt adhesives are a type of adhesive that is commonly used in industrial applications. PUR stands for polyurethane reactive, which refers to the chemical composition of the adhesive.
These adhesives are typically applied in a molten state and then solidify as they cool. They offer a number of advantages over other types of adhesives, including:
1. Strong bond: PUR hot melt adhesives create a strong and durable bond between materials. They can bond a wide range of substrates, including wood, plastic, metal, and foam.
2. Fast curing: PUR hot melt adhesives have a relatively fast curing time, allowing for quick assembly and production processes.
3. Heat resistance: Once cured, PUR hot melt adhesives have excellent heat resistance. They can withstand high temperatures without losing their bond strength.
4. Moisture resistance: PUR hot melt adhesives are resistant to moisture and can be used in applications where the adhesive may come into contact with water or other liquids.
5. Flexibility: PUR hot melt adhesives remain flexible even after curing, making them suitable for applications that require some degree of flexibility or movement.
6. Chemical resistance: These adhesives have good resistance to chemicals, making them suitable for applications where exposure to harsh chemicals is expected.
7. Environmentally friendly: PUR hot melt adhesives are considered to be more environmentally friendly compared to other types of adhesives. They do not contain solvents or volatile organic compounds (VOCs), making them safer to use and reducing the impact on air quality.
Overall, PUR hot melt adhesives are versatile and offer a range of benefits that make them suitable for a wide range of applications in industries such as packaging, automotive, construction, and woodworking.
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