Due to the material and the weaving way, polyester forming fabric can be divided into single / double / 2. 5/triple layers. And they have the characteristics of stable size, acid-resisting, alkali-resisting, heat resistance, good water permeability, air permeability, long service life and so on. We would appreciate if you could send your detail information of paper machine to us before we choose the suitable paper making felt. Please send us detail inquiry and we will choose the more suitable type for you.