The main steps of the hot pressing process are as follows: Raw material preparation → mixing and heating → extrusion molding → cooling → demoulding The main process is extrusion molding using hot-melt raw materials of thermoplastics to be extruded and then cooled for molding. The main equipment is an extruder and a die. The detailed process flow is as follows: Plastic sheet production process,
The safe service life of HDPE double-wall corrugated pipe is more than 50 years. This has not only been proved by international standards and the new international, but also by advanced countries. Cement management theory has a service life of 20 years, but it is a silicate type, which is corroded by acid and alkali for a long time, and its service life is greatly reduced. There are instances of
Unique structure, high degree of automation, convenient operation, stable and reliable continuous production. The pipes produced by the PE water supply pipe production line have moderate rigidity, strength, good flexibility, creep resistance, environmental stress crack resistance and good thermal welding performance, and have become the first choice for urban gas pipelines and outdoor water suppl
With the increasing awareness of environmental protection, taking the path of healthy and ecological sustainable development has become the best choice for the packaging industry. As the most widely used plastic packaging material, degradability has become a trend. According to the different principles, degradable plastic materials are divided into the following three categories: biodegradable
50%, 100%, 150%, 200%... Recently, the domestic raw material prices have continued to rise, causing many downstream companies to complain, and from the perspective of transmission, due to the continuous crazy price increase in the upstream, the transmission speed of the price increase tide It is also very fast, beyond the imagination of many people. According to Coatings Purchasing Network, as
After experiencing a sharp increase in mid-to-late December 2020, domestic steel prices began to fall in January this year, and the prices of various steel products fell by 200 yuan/ton to 600 yuan/ton. Although the current steel price has corrected somewhat, steel mills and steel traders are optimistic about the trend of steel prices after the Spring Festival and throughout the year. Currently, t
The New Year’s bell is about to ring with the arrival of the Year of the Ox, and we will usher in a hopeful 2021. Again, on behalf of Qingdao PRECESION Machinery Co., Ltd., I would like to express my sincere thanks to all the friends and guests who have supported our company for a long time, and I wish you all a happy new year and all the best! I wish your company full of vitality and success! Tha
The production equipment of animal husbandry fence board and pig house fence board is a PVC hollow profile extrusion production line. The width of the fence plate is different, and the size of the equipment is different. The conventional fence plate is 500.700.900.1000. Last time, we reserved the forming structure of the largest product 1200 for the customer, in case the plate with this width will
