1) 100% PP polypropylene raw materials,for a variety of masks filter material 2) GSM: 25-50 grams; 3) width: based on request; 4) with good softness, non-toxic, antibacterial, fog/virus filtering 5) can double composite hot rolling was used to clean cloth/spun-bonded fabric with ultrasonic composite q, hydrophilic after MATS and other health care products used in surgery.
