Plastic doors and Windows

Wen injection tooling/VIP
Windows and doors are an important part of building maintenance structure, its area is about 1/7 of the construction area, 1/5 of the exterior wall area. Doors and Windows are the eyes of the building, is an essential part of building components. Doors and Windows by window (commonly The door) The boxes, window ( The door) Fan, glass, hardware accessories such as a mix of components. The window is the main function of daylighting, ventilated and perspective, heat preservation, prevent the rain, dust, noise into the interior. In addition to the main function of door window of a few, and the structure of the entrances and exits, is the protector of people's living space. Doors and Windows are freedom and security, air and sunlight, in order to meet the requirements of people's life and working environment. There are many kinds of doors and Windows.

what plastic doors and Windows of doors and Windows?
in polymer composite material is given priority to, to increase a new type of materials as auxiliary material of doors and Windows. The world has three kinds of material of plastic doors and Windows, the polyvinyl chloride ( PVC— U) Plastic doors and Windows, glass fiber reinforced unsaturated polyester resin ( GUP) Doors and Windows and polyurethane ( PUR） Rigid foam plastic doors and Windows. We usually refers to the plastic doors and Windows is PVC plastic doors and Windows. And because people in the cavity need assembling steel lining and is commonly known as the window of model steel door.

main varieties and characteristics of plastic doors and Windows
1. To indoor or outdoor open casement Windows: casement window. Sealed performance is good, outside the window does not account for interior space, but the strong winds, no person in the home, forget to turn off the Windows may be damaged, outside the window just in multi-storey building ( Multi-storey building 7 layer under construction) 。

2。 Flat open - Suspension under window: by manipulating the casement of hand handle, make the window sash to indoor flat open dumping or to the indoor ventilation window opening Angle, excellent performance. At present, the dosage of more and more, the price is slightly higher.

3。 Push-pull window about push-pull window and top and bottom of push-pull window.
about push-pull window: casement horizontally moving window; The lowest price, but in several Windows, performance is the lowest; Top and bottom of push-pull window: move up and down along the vertical direction of window sash, also known as Windows.

material requirements of the specifications of the
1, plastic doors and Windows, model should comply with the design requirements, complete ancillary hardware accessories, and have the factory certificate.
2, glass, sealing materials, anti-corrosion materials should comply with the design requirements and the provisions of the relevant standards. 3, should be taken before in the acceptance inspection of plastic doors and Windows, are not eligible are not allowed to play. To the scene of the plastic Windows and doors should be the type, specification is not less than 70 & deg; The Angle of the stand in a neat warehouse, lower place mat wood. Warehouse environment temperature should be less than 50 ℃; Doors and Windows and the heat source distance should not be less than 1 mm, and shall not come into contact with corrosive substances.
4, when transporting doors and Windows to should take put down gently, it is strictly prohibited to throw, and protect its coating.

plastic doors and Windows has more excellent performance/price ratio
1, plastic doors and Windows and steel doors and Windows. 1) Initial price, the price is: plastic doors and Windows while higher than steel doors and Windows, but the steel doors and Windows must be carried out anti-corrosive treatment every year, 30 years later far exceeds the cost of its plastic doors and Windows; 2) , than the service life: steel doors and Windows use at most 30 years, and plastic doors and Windows using at least 50 years; 3) , lithium, chemical properties than: steel doors and Windows of airtight, watertight, heat insulation, sound insulation, heat preservation and weather resistance corrosion are poor, plastic doors and Windows these aspects are very good.
2 compared with aluminum alloy doors and Windows, plastic doors and Windows. 1) , price: plastic doors and Windows and aluminum alloy doors and Windows of the same quality than the basic similar, but aluminum alloy doors and Windows in order to make up for the lack of heat insulation, thermal insulation performance, must be cold broken bridge technology processing, its price is 2 ~ 3 times of the plastic doors and Windows; 2) , than the service life, the service life of aluminum alloy doors and Windows is 10 years by the state, and the service life of plastic doors and Windows is 50 years; 3) , physical and chemical properties than: in addition to the ordinary aluminum alloy doors and Windows with poor physical properties such as heat preservation, the other two basic close doors and Windows, but chemical properties have bigger difference, plastic doors and Windows can resist acid and alkali corrosion of the air, while aluminium alloy can't.

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source network trimmer/injection molding processing and VIP