ໃນປະຈຸບັນ, many daily necessities are made of copper, ຜາງຮີດ, stainless steel and other materials. ວັດສະດຸເຫຼົ່ານີ້ມີສ່ວນປະກອບໂລຫະຫນັກ. If they are not handled properly, they may exceed the standard.
ຕົວຢ່າງ, the main elements of stainless steel include manganese, ໂຄຣຽມ, ແລະ nickel. In order to maintain corrosion resistance, ສະແຕນເລດຕ້ອງມີຈໍານວນທີ່ແນ່ນອນຂອງ Chromium. If the chromium is handled improperly, it may cause excessive chromium. In the same way, improper handling of manganese may lead to excessive manganese.
The copper alloy used to make faucets contains traces of metal elements such as iron, ອະລູມີນຽມ, ແລະນໍາ. ຖ້າບໍ່ມີຜູ້ນໍາ, ມັນເປັນການຍາກທີ່ຈະປະກອບໃນລະຫວ່າງການຫລໍ່. ເນື້ອໃນນໍາທີ່ສູງກວ່າ, the easier the casting process. ເພາະສະນັ້ນ, copper faucets on the market generally contain a certain amount of lead. If the factory does not do a good job of removing lead during manufacturing, it will cause excessive lead.
ເຫດຜົນອີກຢ່າງຫນຶ່ງແມ່ນວ່າເຕັກໂນໂລຢີແລະອຸປະກອນຂອງບໍລິສັດແມ່ນຜູ້ສູງອາຍຸ, causing trace elements to be uncontrollable. ປົກກະຕິແລ້ວ, ເມື່ອອຸປະກອນໃຫມ່ຖືກຈັດເຂົ້າໃນການຜະລິດ, ຜະລິດຕະພັນຂອງມັນມີຄຸນສົມບັດ, ແຕ່ວ່າໃນເວລາທີ່ອຸປະກອນດັ່ງກ່າວໃຊ້ເປັນເວລາດົນນານ, the products will exceed the trace elements. This situation cannot be repaired from a technical point of view and can only be replaced with new equipment. ແນວໃດກໍ່ຕາມ, some factories continue to use them in order to save money. This is a technical and cost issue.
A seller of bathroom equipment told reporters that most faucets on the market now have copper cores, but the quality varies. Faucets from small manufacturers and cheaper prices are likely to exceed the lead. ນີ້ແມ່ນຍ້ອນວ່າຜູ້ຜະລິດບາງຄົນບໍ່ໄດ້ຊື້ໂລຫະປະສົມ Brass ມາດຕະຖານເພື່ອຄວບຄຸມຄ່າໃຊ້ຈ່າຍ, but purchase cheap lead brass as raw materials from small workshops. This kind of lead brass tends to have a high lead content, but the price is only half of the brass alloy.
ວິທີການຈໍາແນກກ au ອກນ້ໍາທີ່ຕໍ່າກວ່າຈາກລາຄາ? An industry insider told reporters that a copper faucet with formal craftsmanship should cost more than one hundred yuan, while a faucet worth tens of yuan is likely to use lead brass.
“ເມື່ອປຽບທຽບກັບຜະລິດຕະພັນຂະຫນາດໃຫຍ່, faucets worth tens of yuan are really not worth spending so much time and energy to choose one by one, ແລະຈະບໍ່ເອົາໃຈໃສ່ກັບບັນຫາຂອງເນື້ອຫາທີ່ນໍາຫນ້າຫຼາຍເກີນໄປ.” A Shanghai citizen who is decorating his home told reporters.
ໃນເລື່ອງນີ້, some people in the industry said that domestic consumers did not pay enough attention to the quality and safety of faucets, which also gave many unqualified and low-quality faucets an opportunity.
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