| Certification/Class (Standard) | Type II | |
| 3-layer s | Bacterial Filter performance (BFE),% | must be ≥ 98% efficient |
| Fabric weight | 20 g, 30 g, 40 g | |
| pressure difference (PA/cm2) | must be < 40 | |
| pressure splash resistance (kPA) | - | |
| microbiological purity (KBE/g) | ≤ 30 | |
| Price FOB (USD/ton) | ||
| Price FOB (USD/ton) for 6 month contract |
