Acrylic, also known as PMMA or plexiglass, is derived from English acrylic (acrylic plastic), and the chemical name is polymethyl methacrylate. It is an important plastic polymer material developed earlier, with good transparency, chemical stability,…
Continental natural gas futures closed up 6.7% Thursday at a record high, with European gas prices already ten times higher than usual for this time of year. Benchmark electricity prices in Europe also hit a new record Thursday, deepening an energy c…
Cotton futures climbed to their highest level in more than a decade on the 21st due to prolonged drought conditions in parts of the central United States. Cotton reportedly hit $1.3171 a pound in the main U.S. futures contract, its highest level sinc…
Amazonplans to launch the first two prototype satellites for its massive KuiperBroadband constellation in 2022. If allgoes according to plan, the two spacecraft, named Kuipersat-1 and Kuipersat-2,will be launched from the Space Force Station at Cape…
Cottonfutures are at their highest level in about a decade The mostactive cotton futures on the Intercontinental Exchange closed up 3.8 percent at$1.09 a pound on Tuesday, keeping prices at their highest level since September2011. Gold is up 22% over…
Here is t he knowledge of Sendzimir bearing installation 1. Clarify the type of Sendzimir bearing The type of Sendzimir bearing indicates the basic bearing size, original clearance, cage type, seal form, lubrication requirements, etc. Therefore, befo…
Since 2020, the demand for lithium battery raw materials has maintained a high growth trend. According to the data from the Federation of Travel Services, in May 2021, the price of battery-grade lithium carbonate surged by 139% compared with the “low…