... size dusts. Product descriptions Ordinary polyester spunbonded nonwovens with oil,water,dirt repellence treatment can make the media has not sticky ... materials: 1.HL/PE Typial spunbonded polyester 2.HL/LR Water & oil repllent 3.HL/AL Antistatic coating 4.HL/FM ... fields,such as: Steel plate pre-processing, Shot blasting, Vacuum pumping sander.Powder convey, Pneumatic conveying system, Air inlet dust, Gas ...