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Energy-saving and environment-friendly doors and Windows adopt glass fiber reinforced polyurethane composite
Writer:admin    Released:2018-03-30 09:53:59    Type:【L】【M】【S

In recent years, with the introduction of new building energy saving policies, doors and Windows energy efficiency standards have been continuously improved, the bridge aluminum window, PVC plastic window, aluminum Windows and other insulation doors and Windows are popular.

However, this kind of building materials can produce a lot of energy consumption in the process of production and use, and it is easy to produce solid waste and harmful volatiles, and the fire resistance is not good.

Therefore, how to innovate materials to make doors and Windows products become the focus of the industry.

 

It has good flame retardancy and heat resistance.

 

Polyurethane composite material window profile is glass fiber reinforced polyurethane composite material, with non-woven glass fiber yarn as reinforcing phase, polyurethane resin as the matrix resin, by pulling extrusion process molding.

Polyurethane energy-saving doors and Windows fire performance from the material itself.

Due to the glass fiber is a kind of inorganic fiber, has good flame retardancy and heat resistance, conventional melting temperature above 1000 ℃.

The polyurethane material is a thermosetting material, which will form a layer of carbonization layer on the surface after the fire, preventing the flame from deep, not melting, and producing no solution.

Therefore, the fiberglass reinforced polyurethane composite material is difficult to burn, and the high temperature of the fire face cannot be transmitted to the other side.

High refractoriness makes the fiberglass reinforced polyurethane composite door and window profiles greatly enhance the function of protecting the life and property of the users.

 

Excellent insulation performance

 

In addition, the thermal insulation performance of building materials is a hard index to measure the market value of green buildings.

The heat transfer coefficient (K value) of doors and Windows in Beijing, tianjin, hebei and other northern regions is strictly limited to 2.0.

Shanghai, south of the Yangtze river, has also lowered the heat transfer coefficient to less than 2.2 this year.

Glass fiber reinforced polyurethane composite Windows and doors profiles of heat transfer coefficient is about 1.0, the only used three white double hollow glass, glass window of the whole heat transfer coefficient is about 1.8, heat preservation performance meet the national standard of the building outside the window insulation classification and testing method of level 7 level, to meet increasing around the doors and Windows energy saving standards.

 

Good sealing and service life.

 

In addition to the heat preservation performance, the sealing and service life of the door and window profiles are also the main concerns of the market.

Polyurethane on the doors and Windows profiles, head of r&d team to network hacker's material technology development co., LTD. (hereinafter referred to as the "g" winding) directors and grandson take root introduces to the reporter: "in the process of glass fiber reinforced polyurethane composite processing size shrinkage rate is less than 0.2%, and the design dimension deviation is small, good dimensional stability.

In addition, the linear expansion coefficient is much lower than aluminum alloy and PVC plastic, and concrete wall close to, can effectively avoid the changes caused by heat bilges cold shrink casing size, prevent switch not easily, sealing is bad to wait for a phenomenon."

After the examination, glass fiber reinforced polyurethane composite doors and Windows air-tightness can reach the national standard of the outside building doors and Windows, wind resistance, airtight, watertight classification and testing method of 8 level, reached the standard level 6 water tightness, sound insulation performance reach the standard level 5 level.

 

Curb environmental pollution from the source.

 

As an environment-friendly energy-saving product, glass fiber reinforced polyurethane composite material door and window profile, in addition to the building energy saving in the process of use, more importantly, to curb environmental pollution from the source.

The raw materials of this profile are non-volatile components, and can be recycled for solid waste after production and processing, so as to avoid environmental pollution and fully explain the concept of "green environmental protection".

"The glass fiber reinforced polyurethane composite material door and window section is all our own research and development, starting from the selection of raw materials, we invested $34 million in research and development expenses.

Including coating technology, profile shape, group Angle process, water outlet location and environmental protection process are all optimized on the basis of traditional doors and Windows.

At present, glass fiber reinforced polyurethane composite material doors and Windows have been used in high-end residential real estate projects.

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