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1 Excellent chemical resistance, not corroded by acid, alkali strong oxidant and halogen at room temperature. 2 High impact strength, abrasion resistance, creep resistance, high mechanical strength and good toughness. 3 Good heat resistance, non-flammability, long-term use temperature -40 ~ 150℃, and high dielectric strength. 4 Has outstanding weather aging resistance, ozone resistance, ultraviolet and nuclear radiation resistance.specification | wind pipe | SDR33 PN1.0 | SDR21 PN1.6 | wall thickness(mm) | weight （ka/m） | wall thickness(mm) | weight （ka/m）
| wall thickness(mm) | weight （ka/m）
| 20 |
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| 1.9 | 0.21 | 25 |
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| 1.9 | 0.27 | 32 |
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| 2.4 | 0.44 | 40 |
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| 2.4 | 0.55 | 50 |
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| 3.0 | 0.85 | 63 |
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| 2.5 | 0.93 | 3.0 | 1.09 | 75 |
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| 2.5 | 1.11 | 3.6 | 1.55 | 90 |
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| 2.8 | 1.48 | 4.3 | 2.22 | 110 | 3.0 | 1.94 | 3.4 | 2.20 | 5.3 | 3.32 | 125 | 3.0 | 2.21 | 3.9 | 2.84 | 6.0 | 4.24 | 140 | 3.0 | 2.49 | 4.3 | 3.52 | 6.7 | 5.31 | 160 | 3.0 | 2.85 | 4.9 | 4.54 | 7.7 | 6.96 | 180 | 3.0 | 3.21 | 5.5 | 5.74 | 8.6 | 8.73 | 200 | 3.0 | 3.58 | 6.2 | 7.19 | 9.6 | 10.83 | 225 | 3.0 | 4.03 | , 6.9 | 8.95 | 10.8 | 13.67 | 250 | 3.0 | 4.48 | 7.7 | 11.09 | 11.9 | 16.73 | 280 | 3.5 | 5.87 | 8.6 | 13.86 | 13.4 | 21.25 | 315 | 4.0 | 7.74 | 9.7 | 17.55 |
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| 355 | 4.0 | 8.49 | 10.8 | 22.00 |
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| 400 | 5.0 | 11.80 | 12.2 | 28.00 |
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长度5m+20mm
PVDF tube (polyvinylidene fluoride tube), the molecular chain is closely arranged, there is a strong hydrogen bond, natural fire resistance, crystallinity 65%~78%, long-term use temperature -40 ~ 150℃. Its outstanding characteristics are high mechanical strength, good radiation resistance, and can be used outdoors for a long time without maintenance. It has good chemical stability and is not corroded by acids, alkalis, strong oxidants and halogens at room temperature. It is widely used in petrochemical industry, electronic and electrical, steel pickling and acid lye conveying.
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