... with tpu film used for pipe rehab CIPPpolyester needle nonwoven, 400GSM, 600gsm, 800GSMpolyether tpu film, 0.4mm.width: 150cm--190CMNeedlepunched ... coated with polymer on one side, is very flexible, watertight andairtight. The tube made with it is used in an inversion process for ... has application in water, sewer, gas, and chemical pipelines. TPU fabric for CIPP felt