急问:哪种塑料最耐酸?!!
yandy361263
2008年07月08日 17:00:09
来自于水处理
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现在设计一个池子,溶液呈碱性,需要加酸中和,故考虑设计一个储酸罐,因为钢不耐酸,据说不锈钢也不耐酸,不知道对不?我主要在考虑塑料,想请教一下各位大侠:HDPE(高密度聚乙烯)和PP(聚丙烯),哪种材料更耐酸腐蚀一些?还有聚四氟乙烯呢?忘知情者告知,谢谢!!!

现在设计一个池子,溶液呈碱性,需要加酸中和,故考虑设计一个储酸罐,因为钢不耐酸,据说不锈钢也不耐酸,不知道对不?

我主要在考虑塑料,想请教一下各位大侠:HDPE(高密度聚乙烯)和PP(聚丙烯),哪种材料更耐酸腐蚀一些?还有聚四氟乙烯呢?忘知情者告知,谢谢!!!
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yandy361263
2008年07月08日 17:00:54
2楼
谢谢知道的给出答案啊:handshake :victory: :)
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simmy123
2008年07月09日 10:41:51
3楼
PVDF吧,HF+H2SO4+HNO3的混合酸都能顶住,估计已经很强了吧!不知道楼主有用吗?
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wenzhejun6012
2008年07月09日 10:48:36
4楼
FRP的罐子比较好
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shuliki
2008年07月09日 10:49:34
5楼
ABS和聚四氟乙烯:) :)
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xmw
2008年07月09日 14:37:19
6楼
HDPE、PPH、PTFE、PVDF、FRP都能耐硫酸、盐酸、硝酸酸,但所使用的温度不同,HDPE不能超过55度,PPH不能超过80度,PTFE和PVDF耐温可在100度以上,还能耐一些特殊的酸,FRP耐酸种类和温度决定于树脂和玻璃丝布,耐温一般在80~120度。价格:HDPE
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zhengtao800220
2008年07月10日 15:55:22
7楼
用FRP或者就用聚四氟乙烯.但是后者太贵.还有一种就是就是用碳钢,里面衬胶.这样应该能便宜点.
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lwyhz
2008年07月16日 17:26:55
8楼
最好用PTFE和PVDF,能够耐高温
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wypjg
2009年07月22日 16:32:45
9楼
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wypjg
2009年07月22日 16:33:24
10楼
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wypjg
2009年07月22日 16:37:10
11楼
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