Experts said that with the continuous changes in the market and the upgrading of products, centrifuges need to follow the pace of market changes, and constantly improve the company's product direction. The speed of the centrifuge, the capacity expansion of the laboratory centrifugal chamber, the increase of the density of the rotor, the stability of the motor, and the rationality of the whole machine should be adjusted to achieve large capacity, high speed, high precision, low failure, and easy operation. , Long life quality laboratory centrifuge.
It can be seen that although the domestic centrifuge market has been growing and has achieved tremendous results, there is still a long way to go before China's centrifuge technology and the international advanced level. It is undeniable that some centrifuges can be at the top of the world's centrifuges in some respects, but overall there is still a certain gap. Among them, innovation and technology are the main factors that hinder the development of centrifuge companies in China.
Therefore, in the future development, centrifuge companies need to create a technological innovation system, set up technology development institutions, independently carry out technological research and technological research, and actively seek technical support to strengthen domestic and foreign first-rate enterprises, domestic first-class universities, and research institutes. The technical cooperation. At the same time, through various channels, various scientific research methods to actively absorb and cultivate professional and technical personnel, and create high-quality core technical team.
Only on the basis of such a research and development environment and talent reserves, we will continue to break through and innovate, develop high-tech products and added value, and have high-quality products with leading domestic technology, in order to achieve a well-known brand. At the same time in line with national conditions, to achieve GMP specifications for drug production, more able to replace imported similar products, to fill the gap in the domestic technology, help the maturity of China's experimental centrifuge enterprise development.
PVC sheet is a widely used and popular material. PVC Film can be divided into food grade and industrial grade, and it can be made into transparent, colorful, anti-static, gold-plated, flocking, etc. For vacuum forming, its main characteristics are high transparency, good surface gloss, less crystal points, small water lines, wide use, strong impact resistance, and easy molding. The finished product meets the US FDA and Japanese PL food hygiene standards. It is widely used in the outer packaging of toys, food, electronic products, medicine, electrical appliances, gifts, cosmetics, stationery and other products.
The main classification of blister products
1. If classified according to the thickness of the material, it can be divided into
A. The thickness of ordinary thin blister is 0.14~5.0mm-mainly made of various materials and effects such as PVC, PP, PS (HIPS), PET (including APET and PETG), PE, BOPS and recyclable paper trays Folding, half-folding, three-folding, cylinder, folding box, heaven and earth box, high frequency and other non-thermoformed blister products are widely used in food, medicine, electronics, toys, computers, daily necessities, cosmetics, machinery hardware and other industries.
B. The thickness of the special thick blister is 0.14~5.0mm-mainly the plastic injection products with various materials and effects such as PVC, PP, PS (HIPS), PET), ABS, PC, PE, etc.
The reason for not classifying the types of materials is mainly considering that there are some differences between the materials used in ordinary thin blister and special thick blister, but PVC, PP, PS and PET are all in these two types of blister products. To have a role to play!
PVC hard film has moderate toughness and is not easy to burn. It will produce chlorine when burned, which will affect the environment. PVC is easy to heat and can be sealed with a sealing machine and high-frequency machine. It is the main raw material for producing transparent plastic products.
PS hard film has low density, poor toughness, easy to burn, and will produce styrene gas (a harmful gas) when burned, so it is generally used to produce various industrial blister trays.
PET hard film has good toughness, high transparency, easy to burn, and does not produce harmful gas when burned. It is an environmentally friendly material, but the price is high, and it is suitable for high-end blister products. The blister blister in European and American countries generally requires PET hard film, but It is not easy to heat seal, which brings great difficulties to packaging. In order to solve this problem, people compound a layer of PVC film on the surface of PET, named PETG rigid sheet, but the price is higher.
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