The Painted Corrugated Metal Roofing Tile tile is made of cold-rolled steel plate and hot-dip galvanized steel plate.
1. After surface degreasing, phosphating, chromate treatment, baking, and finally high-temperature pressing, the color steel tile is a corrugated plate made of thin steel plates sprayed on both sides, which can be directly laid on the roof as Roof tiles in addition, the mechanical properties of color steel plates are very good, and the installation and construction are more convenient; single-layer color steel tiles are not used for home decoration if they are used in residential places, color steel sandwich panels are required, which have better heat insulation and sound insulation Effect.
2. Precautions for color steel plate purchase: 1. Observe the leaking edge of the color steel plate: When purchasing a color steel plate, first observe whether the exposed part of the color steel plate is crystallized well. If the color of the steel plate is gray and dark, it means that the color of the steel plate material is poor, and if the cross-section crystallizes well, it proves that the quality is good;
2. Observe the thickness of the substrate and the thickness of the coating: the color steel plate is mainly composed of the base steel plate and the color peritoneal layer. Therefore, the thickness of the substrate is closely related to the thickness of the coating. The thickness of the high-quality color steel plate is between 0.02 and 0.05 mm. The thickness of the layer is 0.15 mm; in case of an accident, if the thickness is too thin, it is not recommended to buy;
3. Listen to the sound: When you buy a colored steel plate, you can also tap the colored steel plate with your fingers or a hard object and listen carefully to the sound. The sound of ordinary colored steel plates is very bright and crisp, while the sound of inferior colored steel plates is quite dull.