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.