When I use pp plastic board, we will pay attention to its fire prevention consciousness, which requires us to add flame retardant during its use, but this phenomenon is also easy to cause precipitation of the product and reduce its use effect. Next, let's understand the reasons for the appearance of the product together. Interested friends can pay attention.
1. The pp plastic board has good flame retardancy after adding flame retardant, and the flame retardant adding process is divided into two types, one is the filling form, and the other is distributed in the resin in a fused state. Due to the characteristics of the pp material itself, there is a problem of poor compatibility with the flame retardant, and compatibility is the main problem affecting the precipitation of the flame retardant.
2. Remove the problem of the material itself, and the external influence is also an important factor that causes the precipitation of flame retardants. Is the pp plastic board a semi-crystalline substance? Vitrification will occur at low temperatures, and it will become amorphous when the temperature rises. The thermal movement of the chain segment will become faster. At this time, the poorly compatible flame retardant will overcome the inherent resistance and gradually migrate to the surface to form a precipitation phenomenon.
Through the above analysis, the appearance of the pp plastic board is mainly due to the quality and processing technology of the board, so we must pay attention to its production environment when using this product, so as to reduce the impact of temperature on the product. When you find the phenomenon of the plate analysis, don't worry, you need to analyze the specific problems of users.