1. Brand: The aluminum veneer produced by all large enterprises has a protective film of its own brand on the surface.
2. Brand stamp: It is necessary to avoid that the ceiling and the keel are from different manufacturers, which affects the installation accuracy. All the different types of plate types produced by large enterprises have their own matching keels, and each type of home improvement plate type keel, hanging piece, square aluminum plate, bottom or edge will have brand imprinting, which is wiped by a machine. Not falling.
3. The color of the film-coated board: mainly depends on the process of the film covered by the ceiling. The film is not the brighter the surface is. The film with good quality is fine and smooth. Wrinkled and discolored.
4. Keel: The quality of the keel is a problem that many consumers ignore. The material of the keel is generally divided into aluminum, iron and fingerprint-free steel. Aluminum keel will not rust, but because the cost is relatively high, sales are very small. The iron keel is easy to rust. Although the keel section is usually hidden behind the ceiling, it is not good for the rust to fall on the ceiling. It will also affect the stability of the ceiling over time. Compared with iron keel, fingerprint-free steel keel is not so easy to rust, and it is one of the most commonly sold tooling at present.
5. Material: It depends on the quality of the aluminum plate. It is not that the thicker the aluminum plate, the better. The good quality aluminum plate has a certain hardness, elasticity and toughness. It can be restored to its original shape to a certain degree by bending.