For the current construction material market, there are many new construction materials, but the diversity of color coated rolls has gradually become a popular choice, and it is important that it can meet people’s various needs. Due to the increasing demand for building materials, people should pay attention to quality issues when purchasing building materials. Therefore, it is very important to determine the quality of building materials.
Observe the thickness of the substrate and coating on the painted steel coil; The color board is composed of a substrate, a colored peritoneum, or a coating. We need to consider the thickness of the substrate and peritoneal coating. A better range of steel substrates is 0.02mm to 0.05mm, and the coating or coating degree is usually less than 0.15mm. The thickness of the substrate has a significant impact on the lifespan of the color palette. Color steel plates on some substrates are usually composite or laminated with color steel plates to reduce the thickness of the substrate, but increasing the thickness of the peritoneum can reduce the production cost of color steel plates and greatly reduce their service life.
Observe the leakage at the edge of the color steel plate: When taking the color steel plate, observe the exposed steel plate, such as the cross-section, for small, gray, black, and impurity crystals. If the cutting surface is crystal clear, the quality will be better.
Listen: Use your fingers or other good things to tap on the colored steel plate. The color steel plate material is poor, the sound is dull, and the metal sound is not obvious. The sound of colored steel plate metal is loud and clear.
In summary, colored coated coil material is a new type of building material with good environmental protection functions, widely used in roofs, walls, temporary houses, etc.
Post time: Apr-14-2023