正华隔膜 锂离子电池聚合物隔膜 T12/T16/T20/T25/T32
规格 | T12 | T16 | T20 | T25 | T32 | |
透气度(格雷秒) | 15-25 | 15-30 | 20-30 | 25-40 | 25-40 | |
孔隙率(%) | ≥35 | ≥35 | ≥35 | ≥36 | ≥35 | |
穿刺强度(N) | ≥2.5 | ≥2.5 | ≥3 | ≥3 | ≥3 | |
拉伸强度(MPa) | MD | ≥80 | ≥80 | ≥100 | ≥100 | ≥100 |
TD | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | |
130℃/20min热收缩率(%) | MD | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
TD | 0 | 0 | 0 | 0 | 0 | |
弯曲度(mm) | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |