ã€ALUMINIUM NETWORK】At present, there are many scrap aluminum-plastic composite materials in the market, so aluminum-plastic separation has become a popular investment. However, profit is limited or unprofitable, and even lose money. The following discussion on various types of materials.
1. Aluminum-plastic composite panel: The process of separating aluminum-plastic composite panel is relatively simple and the processing cost is not high. However, due to the poor quality of plastic, the market price does not exceed 3,000 yuan/ton, while the raw material price is relatively high (about 4,000 yuan/ton. ), so the profit is low.
2. Pharmaceutical plates: domestic waste prices are relatively high (4000-4500 yuan / ton), due to less aluminum (about 10%), although the processing costs are lower but the profit is not high. There is the pvc in the separation process In the middle, it will be stained by printing inks and stained (mainly the subject of the formula), affecting the selling price.
At present, there are many scrap plates in imported wastes, and the price is not high, but they cannot be separated by ordinary methods. Moreover, there is a PE film sandwiched between aluminum and PET, which requires further separation of PET and PE, resulting in an increase in cost.
three. Aluminum-plastic compound film: Many operators find that the purchased technology is not subject to trials. However, the volume of volatile solvents is high when the batch is produced. In fact, this problem is mainly equipment problems. In general, the use of low-boiling solvents requires better sealing performance of the equipment. At the same time, it must be equipped with a better condensing system to ensure the recovery of solvents (at least 85% recovery). Only in this way can the cost be reduced. According to our experience, solvent recovery can reach 90%. Moreover, many aluminum plastic films can be separated with less expensive formulations, such as Tetra Pak packaging, there is no need to use solvents. Using different formulations for different materials is another way to reduce costs.
In short, we must try our best to make formulas and equipments to reduce the cost; increase profits to eliminate the aluminum, aluminum, and plastic residues in the plastic after separation. Because of the small amount of aluminum in the plastic, the sales will be affected. These small amounts of aluminum can be used for 5%. Sodium hydroxide solution soaked away, the appropriate heating speed faster.
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