STANDARD: CHINA YY0469-2011 STANDARD: CHINA YY 0469-2011 technical requirements BFE (BACTERIAL FILTRATION EFFICIENCY) >=95% PFE(SUBMICRON PARTICLE FILTRATION EFFICIENCY)>=30% Fluid Resistance 120mmHg Disposal Medical surgical mask (Non-sterile) 20 pcs / bag, 250 pcs / carton, 5000 pcs / carton; Carton size: length 650X width 440X height 380mm; Weight: 19kg / carton capacity: 600,000pcs/month Certificate: CE, FDA price negotiation is acceptable.
