產(chǎn)品中心 - PVC管材PRODUCTS
1、給水用U-PVC管材
2、特點(diǎn):具有強(qiáng)度高,無(wú)毒,流體阻力小,安裝方便,易于貯存運(yùn)輸?shù)忍攸c(diǎn),管材和管件采用橡膠密封圈或溶劑粘接密封,安全可靠;生產(chǎn)規(guī)格為公稱(chēng)外徑φ20 mm ~φ450mm,公稱(chēng)壓力0.4MPa~1.6MPa,適用用于城鄉(xiāng)市政供水系統(tǒng)
3、技術(shù)指標(biāo):
項(xiàng) 目project |
單位unit |
指標(biāo)target |
密 度Density |
㎏/m3 |
1350-1460 |
維卡軟化溫度Uygur card softening point |
℃ |
≥80 |
縱向回縮率Longitudinal retraction rate |
% |
≤5 |
二氯甲烷浸漬試驗(yàn)The methylene chloride soaks the experiment |
/ |
表面無(wú)變化no change in the surface |
落錘沖擊( |
% |
≤5 |
液壓試驗(yàn)Water test |
/ |
無(wú)破裂、無(wú)滲漏not to burst,Does not seep |
連接密封試驗(yàn)Joint packing experiment |
/ |
無(wú)破裂、無(wú)滲漏not to burst,Does not seep |
4、衛(wèi)生指標(biāo):
項(xiàng) 目project |
指 標(biāo)targect |
鎘的含量 ㎎/LCadmium content |
三次萃取,每次≤0.01 three extracts, each time <= 0.01 |
汞的含量 ㎎/L Mercury content |
三次萃取,每次≤0.001 three extracts, each time <= 0.001 |
鉛的含量 ㎎/L Lead content |
第一次萃取≤1.0 first extract <= 1.0 |
第三次萃取≤0.3 Third extract <= 0.3 |
|
錫的含量 ㎎/L Tin content |
第三次萃取≤0.02 third extract <= 0.02 |
氯乙烯單體含量 ㎎/㎏Chloroethylene monomer content |
≤1.0 <= 1.0 |
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