The requirements for the appearance quality of the aluminum-plastic panel are: the appearance of the curtain wall panel should be neat, the non-decorative surface has no damage affecting the use of the product, and the appearance quality of the decorative surface should meet the requirements.
cale tolerance deviation: the scale tolerance deviation of aluminum-plastic panels should meet the requirements, and the scale tolerance deviation of special standards can be agreed by the supply and demand parties. The aluminum thickness and coating thickness of the aluminum-plastic plate should meet the requirements of Table 3.
Requirements for fire protection function of aluminum-plastic panels
According to the fire rating, it is divided into ordinary type and fireproof type aluminum-plastic composite board, and now the national curtain wall code has no special requirements for the fire rating of aluminum-plastic composite board products for the construction of external walls.
1, ordinary aluminum-plastic composite panel: Now on the market, most of the construction of external curtain wall and roofing aluminum-plastic composite panel products are ordinary. The core layer of the ordinary aluminum-plastic composite board is low-density polyethylene, and the core layer of the product is black.
2, flame retardant aluminum-plastic composite board is divided into flame retardant grade (C) and quasi-non-combustible grade (B).
① Grade C fireproof aluminum-plastic composite board: the selection of halogen-free low smoke flame retardant polyethylene core layer.
B grade fireproof aluminum-plastic composite board: The selection of aluminum hydroxide as the main component (content reaches 90%) core layer, the color is usually white or off-white.
Post time: May-08-2024
