Ayeuna, many daily necessities are made of copper, beusi, stainless steel and other materials. Bahan ieu ngandung unsur logam beurat. If they are not handled properly, they may exceed the standard.
Salaku conto, the main elements of stainless steel include manganese, kromium, jeung nikel. In order to maintain corrosion resistance, stainless steel kudu ngandung jumlah nu tangtu kromium. 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, aluminium, jeung kalungguhan. Lamun euweuh kalungguhan, hese ngabentuk salila casting. Nu leuwih luhur eusi kalungguhan, the easier the casting process. Ku kituna, 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.
Alesan anu sanés nyaéta téknologi sareng alat perusahaan parantos sepuh, causing trace elements to be uncontrollable. Biasana, nalika alat-alat anyar mimiti dilebetkeun kana produksi, produk na mumpuni, tapi lamun parabot dipaké pikeun lila, 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. Sanajan kitu, 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. Ieu kusabab sababaraha pabrik henteu mésér alloy kuningan standar pikeun ngadalikeun biaya, 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.
Kumaha carana ngabédakeun faucets inferior tina harga? 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.
“Dibandingkeun produk badag, faucets worth tens of yuan are really not worth spending so much time and energy to choose one by one, sarta moal merhatikeun masalah eusi kalungguhan kaleuleuwihan.” A Shanghai citizen who is decorating his home told reporters.
Dina hal ieu, 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.
iVIGA Ketok Panyadia Pabrik