Construction market stimulates plastic raw materials to rise rapidly
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Building insulation is the largest consumer area of ​​MDI in the world
In 2012, the global MDI consumption composition was: building insulation 41%, refrigeration 16%, car 9%, TPU elastomer 9% and other (including pipe insulation, etc.) 25%,
In contrast, household appliances are the largest consumer area of ​​domestic MDI. In 2012, China's MDI consumption consisted of 30% household appliances, 15% slurry, and construction insurance.
Temperature 12%, vehicle 9% and other (including adhesive) 34%. The data shows that the demand for MDI in the domestic building insulation field has not been released, and the future space is large.
At present, China is the world's largest construction market, with a construction area of ​​more than 50 billion square meters and an annual increase of more than 2 billion square meters. However, domestic
Most of the new buildings are still high-energy buildings, and the building energy consumption has reached 27% of the total energy consumption of the whole society. In addition, according to the statistics of relevant departments, China's building exterior walls and windows
The thermal conductivity coefficient is 3 to 4 times that of developed countries, and the energy consumption per unit of building area is 4 to 5 times higher. Therefore, there is a large space for building energy conservation in China.
The experience of building energy conservation at home and abroad shows that adopting building insulation materials is an effective technology to prevent building energy loss. Polyurethane materials manufactured by MDI are currently
Building insulation materials that are generally recognized at home and abroad to meet safety, environmental protection and energy conservation requirements. Among all insulation materials, EPS and XPS are the worst fireproof materials.
material. The PU insulation materials with flame retardant reaching B1 and B2 grades, especially PU/inorganic composite materials, are significantly better than EPS and XPS materials. In the short term, though
While EPS and XPS are cheaper than PU, PU insulation materials have advantages over EPS and XPS materials from the overall cost of the entire life cycle.