Sn Steareth is a nonionic surfactant with stable performance. It can be used as a strong acid or strong base. Sn Steareth: Sn Steareth is a non-ionic, non-metamorphic surfactant. It has excellent emulsifying qualities and can be used with strong a…
According to CBC Metal: As of February 28 , the average price of China's graphite electrode market was RMB 20818/ton, up 5.17% from the beginning of the year and 44.48% from the same period of the previous year; the graphite electrode market as a who…
In the UK, more than 100 schools were closed because of the danger of collapse In the UK, many schools use RAAC (autoclaved aerated cement) This is a concrete material that is lighter. In 2018, the roof of a school in southeast England collapsed…