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Trichlorosilane Industry Chain Map
Data show that the trichlorosilane used in the synthesis of silane is called ordinary trichlorosilane, and the trichlorosilane used in the synthesis of polysilicon is called photovoltaic trichlorosilane. In 2021, the price of silicon metal and trichlorosilane resonated upward due to the influence of photovoltaic demand-pull and energy consumption dual control policy. But since May 2022, trichlorosilane has been sustained upward by the downward trend in silicon metal prices. Specifically, PV grade trichlorosilane continues to rise, while general grade trichlorosilane has been at a high level since 2022.
Trichlorosilane is mainly used in the manufacture of polysilicon and silane coupling agents, among which polysilicon is the most important downstream application area of trichlorosilane, accounting for 32% of the consumption in 2021, and silane coupling agent consumption accounted for 25%.
The market is still in good condition. Since silicon metal accounts for up to 66% of the cost of synthesizing trichlorosilane, the price of trichlorosilane is highly correlated with the price of original silicon metal: prices of silicon metal and trichlorosilane continued to bottom out from Q3 2017 to Q4 2020.
