Classification: According to the combustion performance of the curtain wall panel, it is divided into ordinary type and flame-retardant type. The flame retardant type is divided into Class A and Class B according to the level of fire protection.
Standard sizes: The common specifications and sizes of curtain wall panels are as follows: Length: The standard length is 2440. It can also be customized according to customer requirements, such as 2000, 3000, 3200, etc. The length is generally not limited, but it is required to be convenient for transportation. The unit is mm. Width: The standard width is 1220. There are also 1000, 1250, 1500, 1750, etc., in mm. Minimum thickness: Generally, the maximum thickness is 4mm, and less than 4mm is generally used indoors. The unit is mm. The length and width of the curtain wall panels can also be negotiated by both parties.
Mark method: Mark according to the product name, classification, decorative surface, size, aluminum thickness, and standard number sequence of curtain wall panels. Markup example: The specification is 2440mmX 1220mm X 4mm, the thickness of the aluminum material is 0.50mm, and the surface is fluorine Carbon resin-coated flame retardant curtain wall panels, marked as Example — Aluminum-plastic composite panels for building curtain walls FRFC2440X 1220X 40.50GB/T17748 – 200X.