PP / polypropylene dust bag neat and smooth Three-dimensional structure good porosity and air-permeability

1)PP / polypropylene dust bag2)Three-dimensional structure attaches good porosity and air-permeability to the product.

3)used in such industry of different areas as gold, coal washing, cement, paper making, coal selection and environment protection etc.

4)

main technical index of polypropylene needle felt

material	Polypropylene fiber
thickness(mm)	2.0~4.0
weight(g/m2)	600~1000
breaking strength(N/5*20cm)	>1100
air-permeability(L/m2.s)	135~180
continuous working temperature(°C)	<90
instant working temperature(°C)	100

PP / polypropylene dust bag