Complaint
| Flame retardant sweater | |
| Fire retardant sweaters are knitted from permanent flame retardant materials, featuring flame retardancy, warmth retention, portability, and comfort. | |
| Oxygen index | meridional ≥ 32%, latitudinal ≥33%. |
| Flame retardancy | meridional and latitudinal : 0s |
| Formaldehyde content | ≤ 20 mg/kg |
| PH value | 6.3 |
| Color fastness to water/grade (discoloration, staining) | ≥ Grade 4-5 |
| Color fastness to dry rubbing (Grade) | ≥ Grade 4-5 |
| Color fastness to light (Grade) | ≥ Grade 4-5 |
| Pilling | ≥ 3-4 levels |
| Breaking strength | ≥820Kpa |
| Anti static performance | charge amount of a single flame retardant sweater ≤ 0.3 μ C/piece |
