Development status of PVC sealing strip

PVC sealing strips have gone through the introduction period and the high-speed development period. From the perspective of time, they can be defined as the 1980s-mid-1990s and 1995-2002. After 2003, the PVC sealing strip industry has entered a transition period. In the product introduction period: manufacturers generally pursue low cost, and a large amount of calcium carbonate is filled in the formula, resulting in low product performance, and many quality problems have affected the promotion of the product.