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1、给水用U-PVC管材


2、特点:具有强度高,无毒,流体阻力小,安装方便,易于贮存运输等特点,管材和管件采用橡胶密封圈或溶剂粘接密封,安全可靠;生产规格为公称外径φ20 mm ~φ450mm,公称压力0.4MPa~1.6MPa,适用用于城乡市政供水系统
3、技术指标:
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项 目project |
单位unit |
指标target |
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密 度Density |
㎏/m3 |
1350-1460 |
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维卡软化温度Uygur card softening point |
℃ |
≥80 |
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纵向回缩率Longitudinal retraction rate |
% |
≤5 |
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二氯甲烷浸渍试验The methylene chloride soaks the experiment |
/ |
表面无变化no change in the surface |
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落锤冲击(0℃)TIR Drop hammer impact (0 ℃) TIR |
% |
≤5 |
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液压试验Water test |
/ |
无破裂、无渗漏not to burst,Does not seep |
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连接密封试验Joint packing experiment |
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无破裂、无渗漏not to burst,Does not seep |
4、卫生指标:
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项 目project |
指 标targect |
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镉的含量 ㎎/LCadmium content |
三次萃取,每次≤0.01 three extracts, each time <= 0.01 |
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汞的含量 ㎎/L Mercury content |
三次萃取,每次≤0.001 three extracts, each time <= 0.001 |
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铅的含量 ㎎/L Lead content |
第一次萃取≤1.0 first extract <= 1.0 |
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第三次萃取≤0.3 Third extract <= 0.3 |
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锡的含量 ㎎/L Tin content |
第三次萃取≤0.02 third extract <= 0.02 |
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氯乙烯单体含量 ㎎/㎏Chloroethylene monomer content |
≤1.0 <= 1.0 | |
责任编辑:大禹 |
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