Precautions for first-class polyurethane foam boardPrecautions for first-class polyurethane foam board
Thermal insulation materials, as the name suggests, can be used for thermal insulation. Thermal insulation can collect excess heat. In buildings, thermal insulation materials can be used to isolate the outflow of heat in the room, thereby playing the role of thermal insulation. This function of thermal insulation material makes it extremely popular in home decoration, especially in cold weather, it can be said that it is necessary for decoration.
Insulation materials can be roughly divided into: soft porcelain insulation, wall insulation, aluminum silicate insulation, exterior wall insulation, inorganic insulation materials, phenolic foam materials, expanded vitrified microspheres, rubber powder polystyrene particles, extruded plastic board, extruded Plastic board, inverted, thermal insulation, slurry insulation, rubber and plastic insulation, rock wool insulation felt, foam cement, polystyrene board. Different insulating materials have different prices and functions. In general, the insulation material used for outdoor roof insulation is the cheapest, with a minimum of a few yuan per square meter.
Our commonly used external wall insulation materials range in price from tens to hundreds. The whole set of external wall insulation is about 110 to 130 yuan per square meter. The foam board is 5 centimeters, or even about 60 yuan per person. ABC grade materials are also subdivided into exterior wall insulation materials, and the prices of the three grades of exterior wall insulation materials are also different.
Thin plastering system, integral thermal insulation decoration system and large formwork built-in system are often used. This material occupies a large proportion in the domestic and foreign insulation systems market. It is undeniable that this is the most mature product used in exterior wall insulation systems, so all new materials compare this to PK to bring out the beauty of each family. Used for sealing rubber ring, rubber pad, door and window sealing strip, laying workbench and floor. Polystyrene foam plastic board is a widely used thermal insulation material.
After the main body of the building and the external wall masonry project are completed, the bottom mortar is coated with XPS special interface agent. XPS extruded polystyrene board is adhered to the wall with adhesive mortar as required, and fixed with plastic expansion screws. Then apply polymer cement mortar on the surface of the extruded board, press in the alkali-resistant plastic coating fiberglass mesh on the surface of the extruded board, strengthen the crack resistant mortar protective layer, and finally put putty and paint on the decorative surface layer (if decorated) The surface layer is ceramic tile, galvanized steel wire mesh and special ceramic tile adhesive and jointing agent should be used). At present, the paste-like thermal insulation material is mainly used for thermal insulation in walls, as well as wall insulation and home wall insulation. If the performance allows, it can also be used for external wall insulation.
The surface of the material is smooth and flat, bonded with rubber, without adding a moisture-proof layer and a protective layer, reducing the trouble in construction, and ensuring a beautiful and smooth appearance. When the equipment or pipeline is overhauled, the stripped material can be reused, and its performance remains unchanged. Rubber and plastic insulation materials have the advantages of low thermal conductivity, energy saving, labor and material saving, low water absorption, good fire resistance, beautiful appearance, easy cleaning, excellent acid and alkali resistance, etc. It is both an insulation layer, a moisture-proof layer, and a cold insulation layer. , Steam pipeline anti-condensation and heat preservation, to prevent heat loss, achieved the ideal use effect; polyurethane is a polymer containing polyurethane repeating structural units in the polymer chain, called polyamino acid ester.
In addition, after embossing and grooving, XPS extruded board has better extrusion effect than EPS polystyrene board. Polystyrene board: Polystyrene board is therefore called expandable polystyrene board. Of course, this kind of board is a commonly used internal wall insulation material. It is considered that the polystyrene board has the characteristics of light weight, low cost, low thermal conductivity, and low moisture absorption rate. Dacheng County Pengbo Thermal Insulation Material Co., Ltd. is an ideal thermal insulation material for electrical appliances, instruments, construction, petrochemical and other industries, so it has been widely valued by people.
The extruded plate is easy to break, we can distinguish by the smell. After a period of ventilation, the extruded plate of good quality is broken and has no taste. If recycled and processed, some environmental protection agents will be added, and then there will be a pungent odor. Extruded board is often used in the fields of floor heating, basement, subgrade insulation, etc., which requires high compressive strength. Man-made inorganic fibers are made of basalt by high-temperature melting processing, and have the characteristics of light weight, small thermal conductivity, heat absorption and non-combustion.
In the case of low temperature, the non-absorbent feature prevents water from penetrating into the interior and protects the internal structure of the insulation material well. Therefore, the XPS board can solve the problem of extremely bad weather, solve the problems of water leakage, water seepage, ice lamps and so on. The heat insulation material extruded board adopts the closed cell foam structure similar to honeycomb. Therefore, it has the characteristics of ultra light and high strength. This material can effectively absorb excess heat, reduce losses and play a role in heat preservation in winter. In the renovation of new buildings and the renovation of old buildings, it can well overcome the problems of mold, peeling, cracks, etc. on the walls, and can effectively overcome the problem of warpage or deformation of the outer corners after the panel is spliced.
The heat transfer capacity of the material is very low, that is, the thermal conductivity is very low, that is, it is difficult for heat to pass through the material. Therefore, the principle of most insulation materials is that the air or inert gas in many closed holes of the material itself has a good slow conduction ability to heat, so that the material itself changes very slowly with the change of the external temperature, and finally achieves the insulation effect. Before construction, mix the insulation material with water, scrape on the wall to be insulated, and dry to form a microporous insulation layer.
In addition, it can also reduce the damage of rain and moisture, increase the dryness of the room, and avoid the phenomenon of humidity and mildew in the room. Installing insulation materials on the outer wall of the house not only responds to the national slogan of low carbon and environmental protection, but also alleviates the impact of hot and cold climates on the building and extends the life of the building. Foam polystyrene board is one of the most widely used in exterior thermal insulation materials. Mineral wool, mineral wool, including rock, slag, grade 15 mineral cellulose and organic binders. Mineral wool is used for all types of pipeline insulation, especially for industrial pipelines operating at higher temperatures.