The outer wall thermal insulation technology first originated in Europe. China began to pilot it in the mid-1980s, and it is widely used in the construction field. In recent years, with the continuous in-depth development of energy-saving work for housing construction in China, and the continuous improvement of energy-saving standards, many new types of energy-saving technologies and materials have been introduced and developed, and are being promoted and used in residential buildings. So, what are the external wall insulation materials ? Here's a look at Xiaobian. What are the external wall insulation materials 1, polystyrene extruded board Has a perfect closed-cell honeycomb structure, its density, water absorption, thermal conductivity and steam permeability coefficient are lower than other types of plate-shaped insulation material, so it has good strength, light weight, airtight, corrosion-resistant, anti-aging , Low price and other characteristics, widely used in the construction industry of thermal insulation, highways, railways, airports, squares of antifreeze insulation, home decoration and other fields. 2, thermal insulation mortar Thermal insulation mortar is a kind of premixed dry mortar made of various lightweight materials as aggregate, cement as cement material, blended with some modified additives, and mixed by the production enterprises. Mainly used for building external wall insulation, has the advantages of convenient construction and good durability. 3, phenolic foam Phenolic foam is a new type of insulation material that has been recognized as one of the most promising buildings in the world. Because this new material is essentially different from the material used in the conventional polymer resin by adding flame retardant. It does not burn in the fire, does not melt, does not emit toxic fumes, and is light, non-toxic, and non-toxic. Corrosion, insulation, energy saving, sound insulation, low cost and other advantages. 4, foam board It is made of renewable polystyrene raw material through pre-fabrication, aging, molding, drying and cutting. It can be made into foamed plastic products of different densities and shapes, and can also produce foam boards of various thicknesses. Exterior wall insulation material features External wall insulation materials have relatively low requirements for technical indicators such as waterproof and weather resistance of decorative and heat-insulating materials. Gypsum plasterboard, gypsum plaster, etc. can meet the requirements for use, and it is easy to obtain materials. The vitrified microbeads in the external wall thermal insulation material overcome the disadvantages of large water absorption rate of the expanded perlite, easy powdering, large volume shrinkage during the slurry mixing process, easy to cause the lower thermal insulation performance of the product, hollowing, cracking, and the like. At the same time, it also made up for the incombustibility of polyphenylene particulate organic materials, poor fire performance, generation of harmful gases and aging at high temperatures, poor weatherability, poor workability, and large resilience during construction. Editor's summary: The characteristics of the external wall insulation materials and the external wall insulation materials are introduced here, and I hope to help everyone. Want to learn more related knowledge can focus on this site information. Exterior Wall Tiles Decorative Materials Insulation Materials Exterior Wall Insulation Materials
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