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Twin-wall rectangular structure sheet

The general-purpose hollow sheet is an engineering plastic with good comprehensive performance. The outstanding physical, mechanical, electrical and thermal properties make it an ideal lighting material at present.
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Twin-wall rectangular structure sheet
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The general-purpose hollow sheet is an engineering plastic with good comprehensive performance. The outstanding physical, mechanical, electrical and thermal properties make it an ideal lighting material at present.

The twin-wall rectangular hollow sheet has the characteristics of light weight, high strength and good thermal insulation performance. It is often used for ordinary building skylights due to the excellent light transmittance, convenient installation and easy processing, such as factory roofing, greenhouses, tunnel parking sheds, etc. Quanfu’s advanced UV co-extrusion technology guarantees the strong UV resistance of the sheet can meet a 10-year quality warranty under outdoor conditions. The thickness of Quanfu twin wall hollow sheet has 4mm, 6mm, 8mm, 10mm, 12mm, various thicknesses are available.

 

Features

easy installation / high light transmission / anti-ultraviolet / good thermal insulation / flame retardant and environmental protection / flexible installation

 

Application field

canopy/skylights/carport/greenhouse/ecological restaurant

 

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We could not find any corresponding parameters, please add them to the properties table
Sheet thickness（mm） 4 6 8 10 12
Density ( kg/m²） 1.0 1.3 1.5 1.7 1.9
Transmittance（clear color） 82 80 80 78 76
Thermal conductivity（K value） 3.8 3.5 3.3 2.9 2.5
Min bending radius（mm） 700 1050 1400 1750 2100
Linear expansion coefficient(mm/m℃) 0.065
Operating temperature range(℃) -40~+120
Tensile strength at yield(Mpa) 62
Elongation at break ＞80%
Sheet size and color 4/6mm width 1220mm/2100mm
8/10/12mm width 2100mm
the length and color can be customized

 

1. Space must be reserved at the joints of the panels during installation: the minimum spacing is 5mm (summer) to 8mm (winter) (Picture 1). Quanfu recommends the use of a large cap (Figure 2) to fix the screw.

The use of a large cap not only has a buffering effect on the thermal expansion and contraction characteristics of the plate, but also can avoid the risk of water leakage.

 

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2. Leading hole view: In order to avoid plate cracking, water leakage and other undesirable phenomena, the drilling process must keep the center line of the drill bit perpendicular to the plate plane (Figure 3). The hole diameter is 1.5 times larger than the bolt diameter, and the distance between the outer diameter of the hole and the edge of the plate is greater than 30mm (Figure 4).

 

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3. When installing the board, first remove the 50mm film from the edge of the board (Figure 5). After the installation is completed, immediately remove all the film on the board. Prevent the film and paper from adhering to the surface of the board after a long time and it is difficult to remove.
Avoid contact with strong acids and alkalis.
Both sides of the board are coated with neutral silica gel and inserted into the closing profile filled with neutral silica gel. And the upper edge of the profile is sealed with silica gel.

 

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4. General installation method (with vertical strip design)
Precautions: the gap between the plates needs to be filled with neutral silica gel. After installation, the edge of the arc bead needs to be sealed with neutral silica gel (Figure 6).

 

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