高密度聚乙烯，英文名稱為“HighDensityPolyethylene”，簡稱為“HDPE”。HDPE是一種結晶度高、非極性的熱塑性樹脂。原態HDPE的外表呈乳白色，在微薄截面呈一定程度的半透明狀。PE具有優良的耐大多數生活和工業用化學品的特性。某些種類的化學品會產生化學腐蝕，例如腐蝕性氧化劑（濃硝酸），芳香烴（二甲苯）和鹵化烴（四氯化碳）。該聚合物不吸濕并具有好的防水蒸汽性，可用于包裝用途。HDPE具有很好的電性能，特別是絕緣介電強度高，使其很適用于電線電纜。中到高分子量等級具有極好的抗沖擊性，在常溫在-40F低溫度下均如此。
| PE100管材規格 | ||||||||
| 公稱 外徑 dn mm | SDR41 | SDR33 | SDR26 | SDR21 | SDR17 | SDR13.6 | SDR11 | SDR9 |
| 公稱壓力PN，Mpa | ||||||||
| 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.25 | 1.6 | 2 | |
| 公稱 | 公稱 | 公稱 | 公稱 | 公稱 | 公稱 | 公稱 | 公稱 | |
| 壁厚 | 壁厚 | 壁厚 | 壁厚 | 壁厚 | 壁厚 | 壁厚 | 壁厚 | |
| 16 | 2.3 | |||||||
| 20 | 2.3 | 2.3 | ||||||
| 25 | 2.3 | 2.3 | 3 | |||||
| 32 | 2.3 | 2.4 | 3 | 3.6 | ||||
| 40 | 2.3 | 2.4 | 3 | 3.7 | 4.5 | |||
| 50 | 2.3 | 2.4 | 3 | 3.7 | 4.6 | 5.6 | ||
| 63 | 2.5 | 3 | 3.8 | 4.7 | 5.8 | 7.1 | ||
| 75 | 2.9 | 3.6 | 4.5 | 5.6 | 6.8 | 8.4 | ||
| 90 | 3.5 | 4.3 | 5.4 | 6.7 | 8.2 | 10.1 | ||
| 110 | 4.2 | 5.3 | 6.6 | 8.1 | 10 | 12.3 | ||
| 125 | 4.8 | 6 | 7.4 | 9.2 | 11.4 | 14 | ||
| 140 | 5.4 | 6.7 | 8.3 | 10.3 | 12.7 | 15.7 | ||
| 160 | 6.2 | 7.7 | 9.5 | 11.8 | 14.6 | 17.9 | ||
| 180 | 6.9 | 8.6 | 10.7 | 13.3 | 16.4 | 20.1 | ||
| 200 | 7.7 | 9.6 | 11.9 | 14.7 | 18.2 | 22.4 | ||
| 225 | 8.6 | 10.8 | 13.4 | 16.6 | 20.5 | 25.2 | ||
| 250 | 9.6 | 11.9 | 14.8 | 18.4 | 22.7 | 27.9 | ||
| 280 | 10.7 | 13.4 | 16.6 | 20.6 | 25.4 | 31.3 | ||
| 315 | 7.7 | 9.7 | 12.1 | 15 | 18.7 | 23.2 | 28.6 | 35.2 |
| 355 | 8.7 | 10.9 | 13.6 | 16.9 | 21.1 | 26.1 | 32.2 | 39.7 |
| 400 | 9.8 | 12.3 | 15.3 | 19.1 | 23.7 | 29.4 | 36.3 | 44.7 |
| 450 | 11 | 13.8 | 17.2 | 21.5 | 26.7 | 33.1 | 40.9 | 50.3 |
| 500 | 12.3 | 15.3 | 19.1 | 23.9 | 29.7 | 36.8 | 45.4 | 55.8 |
| 560 | 13.7 | 17.2 | 21.4 | 26.7 | 33.2 | 41.2 | 50.8 | 62.5 |
| 630 | 15.4 | 10.3 | 24.1 | 30 | 37.4 | 46.3 | 57.2 | 70.3 |
| 710 | 17.4 | 21.8 | 27.2 | 33.9 | 42.1 | 52.2 | 64.5 | 79.3 |
| 800 | 19.6 | 24.5 | 30.6 | 38.1 | 47.4 | 58.8 | 72.6 | 89.3 |
| 900 | 22 | 27.6 | 34.4 | 42.9 | 53.3 | 66.2 | 81.7 | |
| 1000 | 24.5 | 30.6 | 38.2 | 47.4 | 59.3 | 72.5 | 90.2 | |
| 1200 | 29.4 | 36.7 | 45.9 | 57.2 | 67.9 | 88.2 | ||
| 1400 | 34.3 | 42.9 | 53.5 | 66.7 | 82.4 | 102.9 | ||
| 1600 | 39.2 | 49 | 61.2 | 76.2 | 94.1 | 117.6 | ||
| 1800 | 43.8 | 54.5 | 69.1 | 85.7 | 105.9 | |||
| 2000 | 48.8 | 60.6 | 76.9 | 95.2 | 117.6 | |||
| 2250 | 55 | 70 | 86 | 107.2 | ||||
| 2500 | 61.2 | 77.7 | 95.6 | 119.1 | ||||
PE管件
