In the early years, China is still blank in the field of structural adhesive, almost all imported products. Since China's entry into WTO, Chinese sealant enterprises have achieved rapid development with the rise of the silicone industry. Through the construction of laboratories, the establishment of product quality monitoring and guarantee system, improve after-sales service, leading domestic sealant enterprises product quality and the gap between the foreign brand sealant is greatly reduced. Domestic enterprises make use of their sharp sense of market smell and cost advantage, quickly seize the city and land, the product variety is greatly rich, and has formed a benign development situation of r & D and sales mutually promoted.
At present, the apparent consumption of room temperature sealant in China is about 1 million tons, and the market size of the industry is about 30 billion yuan, among which the consumption of silicone sealant for construction accounts for about 58%. It is understood that the largest consumer of silicone sealant in the world are the construction industry, in the United States, Japan and Europe, the consumption of room temperature sealant for construction accounted for 44%, 38% and 40% of the total consumption in the region, accounting for a lower proportion than China. The application of room temperature adhesive in the field of construction mainly includes the sealing of building curtain wall, building and energy-saving glass processing of doors and Windows. China is still in the stage of urbanization development, which is the fundamental reason for the relatively high proportion of room temperature adhesive consumption in the field of construction in China. According to SAGSI data, in 2020, the consumption structure of room temperature adhesive in the field of construction in China is: building curtain wall 43.7%, door and window sealing and decoration 35.8%, insulating glass processing 20.5%.
In terms of supply, the current operating rate of China's silicone sealant industry is low, with an annual capacity of more than 1.5 million tons/year, and an output of about 1.04 million tons; The annual export scale is about 50,000 tons, and the import scale is less than 10,000 tons.
In general, there is a structural imbalance between supply and demand in China's silicone sealant industry. There is a certain dependence on imported products in the high-end market, oversupply in the middle and low-end market, and a large export scale.