iVIGA 水龙头工厂供应商
现在, many daily necessities are made of materials such as copper, 铁, 不锈钢, ETC. 这些材料含有重金属元素, which may cause excessive standards if not handled properly.
例如, the main element of stainless steel contains manganese, 铬, 和镍. To maintain corrosion resistance, 不锈钢必须含有一定量的铬. If the chromium is not handled properly, it may lead to excessive chromium. Similarly, improper handling of manganese may result in excessive manganese.
The copper alloy used to make the faucet contains trace amounts of metal elements such as iron, 铝, 并领导. 如果没有铅, 铸造时很难成型. 铅含量越高, the easier the casting process is. 所以, the copper faucet on the market generally contains a certain amount of lead. If the lead-free process is not done well when the factory is manufactured, it will lead to excessive lead.
另一个原因是公司技术和设备老化, resulting in the control of trace elements. 通常, 新设备首次投产时, 其产品合格, 但当设备长时间使用时, the trace elements of the product will exceed the standard. This situation cannot be repaired from a technical point of view, and only new equipment can be replaced. 然而, some factories continue to use it in order to save money. This is a technical problem and a cost issue.
A bathroom equipment seller told reporters that most of the faucets on the market today are copper cores, but the quality is not good. Small manufacturers, cheap faucets, the possibility of lead exceeding the standard is very large. 这是因为有些厂家为了控制成本，不购买标准的黄铜合金, but purchase cheap lead brass from small workshops as raw materials. This lead brass is often high in lead but at half the price of brass alloy.
如何从价格上辨别劣质水龙头? Some insiders told reporters that a copper faucet with a formal process should cost more than 100 元, while tens of faucets are likely to use lead brass.
“与大型产品相比, tens of dollars of faucets are really not worth spending so much time and energy to pick one by one, 也不会去关注铅含量超标的问题。” A Shanghai resident who is renovating at home told reporters.
对此, some insiders said that domestic consumers pay insufficient attention to the quality and safety of faucets, which also makes many unqualified inferior faucets have opportunities.
