Serious shortage of EVA resin for agricultural film

"If it wasn't earlier that more than 2,000 tons of EVA (ethylene-vinyl acetate copolymer) resin was purchased at a time for more than 14,000 yuan (t price, the same below), it would be miserable now, not only that the price rose to nearly 17,000 yuan, but also The supply is in short supply

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High Feed Milling Principle

In recent years, the technology required to support high feed processing (HFM) has been rapidly developed. Using this technique, machine operators can quickly remove large amounts of chips and thus significantly increase productivity. The advantage of HFM milling cutters lies in the

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Paraxylene should pay attention to connotative development

Paraxylene (PX) is the main raw material for purified terephthalic acid (PTA). In recent years, due to the rapid development of China's textile industry, there has been a large gap in the supply of PX, and the development potential is huge. However, the PX construction project is not easy becau

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Abnormal sound analysis and solution of motor bearing

1, the holder sound "唏 Lee 唏 Lee ......": Analysis of the reasons: by the cage and rolling body vibration, collision, regardless of the type of grease may arise, to withstand torque, load or radial clearance big time more Easy to produce. Solution: A, to improve the cage precis

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