項(xiàng)目 |
性能要求 |
|||||
Φ50 |
Φ80 |
Φ100 |
Φ150 |
Φ200 |
Φ300 |
|
外徑偏差(mm) |
±2.0 |
±2.0 |
±3.0 |
±5.0 |
±8.0 |
±10.0 |
長(zhǎng)度偏差 |
±1% |
項(xiàng)目 |
性能要求 |
|||||||
Φ50 |
Φ80 |
Φ100 |
Φ150 |
Φ200 |
Φ300 |
|||
PVC厚度 |
mm |
≥0.3 |
≥0.34 |
≥0.36 |
≥0.38 |
≥0.42 |
≥0.6 |
|
濾布 |
縱向抗拉強(qiáng)度KN/5cm |
≥1.0 |
||||||
縱向伸長(zhǎng)率% |
≥12 |
|||||||
橫向抗拉強(qiáng)度KN/ |
≥0.8 |
|||||||
橫向伸長(zhǎng)率% |
≥12 |
|||||||
圓球頂破強(qiáng)度KN |
≥1.0 |
|||||||
滲透系數(shù)K |
≥0.08 |
|||||||
等效孔徑O |
0.06—0.25 |