The classification and purchasing skills of PVC

With the development of society, sheets are used in many places in our lives, and different types of sheets have different effects and functions. PVC sheets are one of them, and now there are many on the market. For pvc panels, learning to distinguish PVC panels is the first and most important step in purchasing panels.

Linyang said that to understand PVC sheets, one must first understand its different classifications. PVC board accounts for the largest proportion in the building materials industry at 60%, followed by the packaging industry, and there are several other small-scale applications. According to the degree of softness and hardness, it can be divided into soft PVC and hard PVC. According to the production process, it can be divided into PVC skinned foam board and PVC free foam board. According to transparent and opaque, it can be divided into PVC transparent board and pvc board. So how do you choose between so many different plates?

First of all, it is required that the appearance is beautiful, the surface of the board should be smooth and smooth, without cracks, no bumps, free to disassemble and assemble, the surface is shiny without scratches, and the sound of tapping the board by hand is clear.

Secondly, smell the board, if it has a strong pungent odor, it is harmful to the body, so you should choose a odorless and safe product ceiling. The production or distribution unit can be required to produce its inspection report, and special attention should be paid to whether the oxygen index is qualified. It must be greater than 30 to facilitate fire prevention. Then according to the installation place, personal hobbies and environmental coordination and other factors, choose the appropriate pattern for the decoration of your room.

Finally, the performance of the pvc sheet: non-flammable, can be burned on the flame, and self-extinguishes away from the fire. When burning, the flame is yellow, the lower end is green, and white smoke is emitted. When burning, the plastic becomes soft and announces a pungent sour taste. Under ultraviolet light, the hard pvc board produces light blue or purple-white fluorescence, and the pvc soft board produces blue-white fluorescence.