Shell chemical plans to overhaul the polyol unit in May, Shell chemical plans to conduct a comprehensive assessment of the 230000 ton/year "The polyester polyol device with good appearance effect will be overhauled for one month. At present, the physical foaming agent of low boiling point liquid system is generally used.
note: the source of this reprint is indicated. The reprint is for the purpose of transmitting more information about the fatigue testing machine, which is mainly used to measure the fatigue performance of metal and its alloy materials under tensile, compressive or tensile and compressive alternating loads at room temperature. Small panel operation is not used for the testing machine The manipulation of the control system and the collection of raw data means agreeing with its views or confirming the authenticity of its content