Jan 02, 2023 Leave a message

Understand Gypsum Base Self-leveling

Market profile

In building construction in our country, cement mortar is still used and traditional manual methods are used to make a leveling layer, and then the ground decoration is carried out, which has the following characteristics: (1) Only a few big cities have sales, less than ten manufacturers, annual sales of only about 10,000 tons. There is no large-scale production, coupled with most manufacturers use building gypsum to make up, and by increasing the amount of chemical additives (additive cost accounts for about two-thirds of the production cost of self-leveling gypsum) to ensure that the corresponding performance requirements, resulting in the application cost of self-leveling gypsum is higher than cement mortar, the promotion and application of blocked, slow development. (2) Self-leveling gypsum as a ground screed layer, with other materials incomparable advantages, so it has broad market prospects. Our country adds nearly 2 billion square meters of new building area every year. If 60% of the GROUND uses self-leveling PLASTER (Every square meter needs about 20 more kilograms), there is market demand of more than 20 million tons every year. (3) High added value. If the price in Beijing area is 1700 yuan/ton, if the high strength gypsum produced by desulfurized gypsum is used to prepare the self-leveling gypsum, it can be mixed with 40% sand, so as to reduce the cost to 700 yuan/ton below. (4) With the operability of national support policies, it can obtain the administrative support and promotion of the government just like "gypsum dry powder mortar". For example, it is suggested that the National Development and Reform Commission and the Ministry of Construction stipulate that "new civil buildings, if they do not use self-leveling gypsum as ground screed, will not be rated as excellent projects"; "Civil buildings' floor heating 'of the ground screed must use self leveling gypsum" and so on; These policies are examined and approved by fewer units, simpler decision-making, and faster policy introduction.

Development prospect forecast

Our country adds nearly 2 billion square meters of new building area every year, among which the northern heating area has basically adopted floor heating, which is more beneficial to the application of self-leveling gypsum. If 60% of the ground uses self-leveling gypsum as the screed, the annual demand for self-leveling gypsum is 27 million tons (22.5 kilograms per square meter), and the demand for its base material - high strength gypsum is 14.58 million tons, that is, 17.5 million tons of desulfurized gypsum. However, there are less than ten producers of self-levelling gypsum in our country, the annual output is only about 10,000 tons, and there is no special construction machinery. Therefore, self-leveling gypsum is on the building materials market in our country, among all gypsum products, the only product that does not have large-scale industrialized production. As an important product replacing cement and reducing carbon emission in our country, the self-levelling gypsum has the social and economic benefits of energy saving and emission reduction, compared with the "gypsum dry powder mortar" which has been promoted by the government with policies. Therefore, it is not long before the Chinese government comes out with the promotion policy of self-leveling gypsum (Shanghai has already made a plan to develop self-leveling gypsum in 2011 in 2009). The next 10 years will be the rapid development period of self-leveling gypsum in our building materials market.

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