Introduction of polypropylene (PP) plastic

Polypropylene is obtained by catalytic polymerization of propylene using a Ziegler-Natta catalyst, which is a crystalline isotactic polymer in which molecular chain links are well aligned. Polypropylene En

What is the color change fabric? What is the color change?

What is a color changing fabric? What is the color change of the fabric? The color-changing fabric was born from the imitation chameleon skin emergency system. The fiber is very sensitive to light and humidity and can change with changes in temperature and humidity in the envi

Case summer new strapless outfit your summer fashion password

Life needs to find something fresh for yourself. For example, if you want to do something right today, what clothes you will wear tomorrow or go shopping around on the street, talk about what the gossip will be, and this kind of life will be colorful.