water and oil repellent, 1)easy cleaning 2)acid and alkali resistance 3)extend service life 4)used in high moisture state

main technical index:

material	polyester fibre
weight	500g/squ. meter
air-permeability	200L/squ.meter.s
breaking elongation	warp, less than 30 weft, less than 45
continuous working temperature	less than 130 Celsius degree
instant working temperature	150 Celsius degree
acid resistance	good
alkali resistance	good
abrasion resistance	excellent
hydrolytic stability	good
finish treatment	water repellent and oil repellent

water and oil repellent needle felt