... for filter 1)material:100%polyester 2)wight:13-300gsm polyester spunbond nonwoven for filterPET Spun-bonded Nonwoven Fabric carpet ... ), anti-aging, UV stabilized, high elongation, stable and high air permeability, anti-abration, sound insulation, anti moth ... 290<102<27<30<2%polyester .characteristic : high elongation ,low shrinkage ,high temperature ,air and water permeability antiglare ,aging ...