饮用水管内壁有TPV和EPDM的,哪个更好呢,主要是对人体危害方面
推荐回答(5个)
最权威的答案是TPV内管,TPV材料耐温150度,符合食品药品标准(大厂的产品)是相对第一组分的热塑性弹性体,含有EPDM组分是没有问题的,在高温下基本没有气味,目前正在国内汽车行业大量替代EPDM以减少汽车VOC,降低人体危害。在高温下没有析出气味或者其他微量元素。符合饮用水的标准,比如美国NSF水标准。EPDM材质相对来说差一点,EPDM橡胶是乙烯丙烯材料聚合成,橡胶材料和橡胶产品有很大不同,EPDM橡胶制品(包括橡胶水管)有相对复杂的配方,在加工过程中需要添加多达十几种的其他配合物,橡胶配方复杂,其中很多材料含有有害物质或者,VOC含量较高。直接和水。人体接触不是最好的选择。 最差的是PVC材质,材料本身不环保,有可能析出氯离子,气味大,低温很硬不方便使用,高温下其添加剂中的有害物质可能析出。
建议尽量不要使用PVC材质。尽量使用TPV材质的产品
饮用水管内壁有TPV和EPDM的,哪个更好呢,主要是对人体危害方面?
热塑性硫化橡胶(英文为Thermoplastic Vulcanizate),聚烯烃合金热塑性弹性体,简称为TPV,热塑性硫化橡胶的中文简称为热塑性橡胶(英文Thermoplastic Rubber),简称为TPR,但这个名称容易和其它种类的热塑性弹性体(英文为Thermoplastic Elastomer)相混淆在一起,因为通常热塑性弹性体也被大家叫做热塑性橡胶,尤其是苯乙烯类弹性体,至少在中国似乎"TPR”已经成为它的专有名称了,一提起TPR,就是指以SBS、SEBS等苯乙烯类弹性体为基料的热塑性弹性体,这与苯乙烯类弹性体在民用以及终端消费品领域中消耗量之大是分不开的。
热塑性硫化橡胶的名称如果再说的详细一点,那应该是热塑性动态硫化橡胶(英文为Thermoplastic Dynamic Vulcanizate),加了“动态”2字是更具体说明了生产这种热塑性硫化橡胶的工艺---动态硫化,这种工艺指在橡胶和热塑性塑料熔融共混过程中使橡胶硫化,当然在橡胶在硫化的同时也不断与热塑性塑料相混合,因此被硫化了的橡胶是作为分散相分布在热塑性塑料连续相中,简而言之,TPV可由TPO动态硫化后得到。与之相对应的热塑性静态硫化橡胶,就是指橡胶按传统方法先硫化好,然后通过磨粉设备把硫化好的橡胶磨成粉,**与熔融的热塑性塑料共混,理论上这种方法也能制得性能优良的TPV,但到目前为止,只是处于实验室阶段。
对于水管本身而言
1.使用年久的供水管道,由于水在管道内的流动、氧化反应会生成铁锈。铁锈如果没有及时清洗,会加快管道的腐蚀速度,影响管道寿命;
2.在管道安装、破损维修时进入管道内的泥沙在管道内沉积,致使管道内经变小,水流量不足,供水不畅,严重时造成管道堵塞无法供水;
3.自来水管用久了以后,水管内壁会结水垢。长期不清洗水垢,容易导致水管爆裂漏水。
对于生活健康而言
1.铁锈如果没有及时清洗出去,会溶于水中形成锈水,增加自来水中的重金属含量,不适合饮用;
2.管壁不干净,水中的各种微生物繁衍,导致细菌和病毒等有害物质增多,长期饮用或使用对健康不利,可能导致皮肤病、肾结石等疾病发生,尤其是抵抗力低弱的群体,比如小孩、老人和孕妇等;
3.家里如果有净水器,不定时清洗水管,水管里的污垢就会沾附在净水器滤芯上,加快滤芯更换频率,增加生活成本。
那么如何清洗水管呢?
事实上,个人手动是很难彻底清洗自来水管道的,这需要采用专门清洗设备,比如日村水管清洗机。
在清洗前先用仪器测漏,再将用温水泡开的柠檬酸注入管道腐蚀管壁污垢,最后利用CACS清洗技术进行脉冲清洗,将管道内污垢排出,反复两三遍,直至水管清洗干净。听起来是不是很玄乎呢?但效果其实很显著的哦~
不要听瞎忽悠 TPV里面就含有EPDM的成分 TPV EPDM都可以的
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