Where is the adhesive coating industry worse?

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Self-adhesive material manufacturing technology was invented by Avery Dennison in the 1930s, and China's self-adhesive material industry was developed after Avery Dennison Company invested in China in 1994. China has a gap of about 60 years with foreign developed countries. The self-adhesive materials industry also has a huge industrial chain, including paper, chemical, equipment, electronics and other industries. Because of the large gap between similar industries in China and foreign countries, the domestic self-adhesive industry has huge compared with foreign developed countries. gap.

Coating equipment

Coating speeds of coating equipment in developed countries in Europe and America can reach 800-1000 m/min, and can be maintained at 500-600 m/min under normal conditions, while the highest coating speed of domestically manufactured equipment is 200 m/min. Some small businesses have even a speed of tens of meters per minute, which is too big.

The automation level of the equipment is one of the standards for measuring the level of equipment. The coating equipment of developed countries is basically fully automatic, including the automatic detection of the coating thickness of the adhesive and silicone oil, the automatic scanning and tracking of the quality during the coating process, and the bottom paper. Automatic change of surface material, automatic switching, control of coating tension, equipment is produced without stopping.

The faster the coating speed, the higher the automation level, the higher the production efficiency and the more stable the quality. Therefore, domestic and foreign self-adhesive materials factories use imported equipment, which is one of the reasons why foreign-funded enterprises can occupy the Chinese market.

2. Base paper and face material

Raw materials include base paper and face materials, while base paper and face materials are composed of paper and film. The quality of the raw materials directly affects the quality of the finished self-adhesive material, because the self-adhesive material is a composite material. China is a country with low forest coverage. The paper industry has no advantage. The production and production of film materials also have no advantage due to domestic chemical level and resources.

The use of domestic materials coated composite self-adhesive materials is too different from imported similar materials, including material density, smoothness, color stability and tension uniformity. At present, the surface materials of domestic high-grade self-adhesive materials are basically imported, or domestic and foreign-funded enterprises produce all kinds of self-adhesive materials made of domestic raw materials only for low-grade label products.

In the bottom paper, the domestic production and processing enterprises have done a lot of work, the pulp used is mainly imported, although the quality of the finished product is different from the imported bottom paper, but as long as the quality is stable and can be applied, the current high-grade self-adhesive materials Basically, it is made up of imported surface materials and domestically produced base paper. The localization of the bottom paper has been solved and can meet the needs of the domestic market.

3. Adhesives and silicone oil

Adhesives and silicone oil are important components of self-adhesive materials. At present, the two markets are also occupied by foreign companies, such as BASF, Rome Haas, Dow Corning, GE and other foreign companies. The products of foreign-funded enterprises are produced according to the standards of developed countries, and of course the quality of developed countries.

In recent years, some small adhesive manufacturing enterprises have emerged in China, providing supporting services for some small and medium-sized coating plants, which can produce different types of adhesive products, although there are certain foreign-invested enterprises in the selection of raw materials, equipment precision and technology. The gap, product quality also has a gap, but because the product is right, the service is timely, the price is competitive, and it is welcomed by the coating factory, it is a new force.

4. Process management

Process management includes management of product manufacturing processes and on-site management. Self-adhesive coating enterprises in developed countries have accumulated many years of experience, and their process management has formed a system. Product production standardization, data, each product has a detailed record of the record, so the quality of each batch of product and the quality of the product between batches are completely consistent, basically no quality problems. The quality of the raw materials is stable, the precision of the equipment is high, and the process management is in place, all of which guarantee the quality of the self-adhesive materials. In terms of on-site management, automated warehouse and robot transportation have been implemented in foreign coating industry for many years, so visiting foreign coating plants, can not see the operator's physical labor, all work is automatically completed by computer programming, the paper core of the production workshop Pipes and waste paper are transported by pipeline to the recycling process. Semi-finished products and finished products pass through the track, and are sent to the designated location by the robot. No people are seen in the workshop, and only the equipment is in operation.

The domestic coating enterprises are in a mixed situation. The foreign coating plants are well managed, the state-owned enterprises are second, and the private coating plants have the most problems. Because the threshold of this industry is very low, there are too many problems in the management capacity, equipment allocation, operation level, raw material procurement, process management, etc. of state-owned and private enterprises, resulting in unstable product quality. Foreign-funded enterprises have foreign experience and management systems that can guarantee product quality. This is the fundamental reason for the high market share of foreign coating plants.

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