PP non-woven fabric is non-toxic, tasteless opalescent white high crystal polymer, is one of the lightest varieties of all plastics at present, especially stable to water, water absorption rate of 14h is only 0.01%. Molecular weight about 8~ 150 000, good formability. But because the shrinkage rate is large, the original wall products are easy to sag, products surface luster is good, easy to color.
