So far, there are many types of plastic pallets on the market, and there are many plastic pallets mixed with various materials and production processes. The same piece of plastic pallets can also vary greatly in quality. At present, the mainstream materials of plastic pallets on the market are PP plastic pallets and PE plastic pallets.
The main difference between PP and PE plastic pallets is low-temperature brittleness. The plastic pallet made of PP material is easy to break at low temperature, while the plastic pallet made of PE material is harder and not easy to break at low temperature. The cost of PP material is lower and the price is relatively cheap.
In other words, PP plastic is not cold-resistant, and PE is not resistant to falling, each with its own advantages and disadvantages. At present, in the process of research and development of new materials, there are also PP plastics similar to copolymers. The performance of PP plastics is improved through technical processes, so that its impact resistance, cold resistance, and load-bearing performance are greatly improved. Plastic materials are generally relatively transparent, and companies only need to choose according to their own needs.
As we all know, whether it is PP or PE, the cost of new material and waste is different. The cost of a new plastic pallet is much higher than that of plastic pallets produced from waste. Generally speaking, it can be judged whether it is new material or waste by the color of the surface of the plastic pallet. The new material is transparent and bright, and the color of the waste will be darker because of impurities. But even so, it is not reliable to judge by color alone.
The choice of pallet load mainly depends on the needs of the enterprise. If the goods are relatively light, you can choose a plastic pallet with nine feet or no steel pipe. In the case of ensuring that it can meet the load-bearing requirements, the lighter the pallet, the better, which is not only convenient for management but also saves a lot of costs during transportation.
If you want to achieve the same quality and become lighter and lighter, it also has a certain relationship with the material and material ratio. The new material must be of better quality and less material than the waste or mixed material. On the contrary, if the waste tray wants to be made of new material quality, it will definitely be heavier.
Now some new composite materials are gradually emerging to replace traditional plastics, which are not only better in quality in all aspects, but also lighter, but most of the new composite materials have not reached the expected goals, still need to be improved, and the cost is relatively high, has yet to be compressed before mass production use. The production process of plastic pallets is also closely related to the quality of the pallets. At present, plastic pallets mainly include injection molding and blow molding. On the whole, the quality of plastic pallets produced by blow molding will be better, but the price is also much higher than that of injection molding pallets. The production time of injection molding pallets is shorter, and the application scenarios are wider than blow molding.
Injection molding, or thermoplastic injection molding, involves melting plastic material and injecting it into a film cavity. Its appearance surface can be divided into a flat, grid, and other shapes and the bottom has various structures such as Chuanzi, Tianzi, 9-feet, etc. The product can be produced on one or both sides, which can meet the needs of customers in different industries. More flexibility.
Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method. There are blow molding holes on the surface of the blow molding tray, and the middle is all vacant. Only double-sided pallets can be produced, single-sided pallets cannot be produced, and the product feeding direction is generally two-way feeding.
Generally speaking, blow molding trays are mainly used in harsh environments and high-intensity work, while injection molding trays can be used in flat warehouses, three-dimensional warehouses, cold storage, food, chemicals, auto parts, and other environments and industries' needs.