It is important to note that for PC installation clearance of sunshine plate heat bilges cold shrink and set aside.
The linear expansion coefficient of polycarbonate sheet
75 * 10 ^ (
That every one degree Celsius rise in temperature, 1 m * 1 m plate along the length and width of the expansion of 0.
Accordingly, every one degree Celsius below the temperature, plate also shrink the same amount.
Users must be according to the project is located at the four seasons temperature difference, calculate the reserved installation space.
In the Beijing area, for example, large plate surface temperature difference is about 80 degrees Celsius is 1 m * 1 m plate installation reserved clearance as follows: 0.
0675 * 80 = 5.
traditional installation method is divided into: * dry assembly method: this method must wear in aluminum into the sealing strip.
Strip material choose EPDM or neoprene, banning the use of polyvinyl chloride (
The sealing strip.
Strip to shore hardness 65 advisable, smooth surface, the cross section shape is consistent, no damage, no deformation, not hair hard and elastic.
* wet assembly method: this method should be chosen with sunshine board want to adapt to not hardening, low modulus, neutral or acidic sealant.
and fittings between the extension of sealant degrees & gt;
= 50%, to ensure that the sunshine board heat bilges cold shrink and the displacement of wind pressure, sub will not cause by snap to produce clearance leakage.
Now modified sunshine board installation methods are divided into 'special aluminum assembly method' and 'button cap assembly method.
Which two methods should be in aluminum or buckle cover plate down into the special waterproof adhesive tape.
The tape for the special tape, its specification selection must be strictly in accordance with the requirements of engineering design.
Use self tapping screw or bolt connection aluminum, should pay attention to adjust the connection parts when fastening the sealing at the same time, also note that do not make sunshine board, connection profiles and fasteners itself produce deformation or damage.
PC polycarbonate sheet price installed, immediately remove the protective film.
If must continue to protect the plate, should be remove the first, back cover, to avoid direct sunlight for a long time, and produce adhesive transfer phenomenon.
Before installation, construction organizer must be protective film printed text and matters needing attention to understand clearly, and explain to operators.
Special attention should be paid to mark 'which side outwards.
When installing a sunshine board, for cold bending plate, please note that sun plate thickness (
And the bending radius (
The relationship between.
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