- Jan 23, 2018 -
Look at brightness
A good lead chrome plating process is very particular about, usually after a few processes to complete. Determine the quality of the faucet depends on the degree of its light, the more shiny the better the better the quality of the surface.
A good faucet When the handle is turned, there is no excessive gap between the faucet and the switch, and it is easy to open and close without skidding. Not only poor quality faucet gap, sense of obstruction is also large.
Listen to the sound
The faucet's material is the most poorly resolved. Good faucet is the overall casting, knocking sound dull. If the sound is very crisp, it must be low-grade stainless steel, which contains more iron, the quality will be worse than a grade.
If you really can not tell, you can choose a little formal brand. Regular products generally have the manufacturer's brand identity, and some informal products or quality products tend to paste only some of the paper labels, or even without any mark, the purchase must be careful.
The dangers of lead
Lead poisoning significantly affects the human body and intelligence, more obvious for children and pregnant women, due to the physiological characteristics of growth and development, pregnant women with severe lead poisoning will be premature, abortion. Lead poisoning will affect the growth and mental development of infants and young children, severe cases cause dementia. We can only ensure lead intake if we only reduce the amount of lead in drinking water.
The role of copper
Copper is an indispensable trace element in the human body, which is an important component of the body's proteins and enzymes. It plays a role in the body's metabolic processes, promoting many of the body's functions. Copper also inhibits bacterial growth, keeping drinking water clean and hygienic. More than 99% of the bacteria in the water disappear after entering the copper pipe for five hours. Copper is impermeable, and harmful properties, such as grease, bacteria, viruses, oxygen and ultraviolet light, can not pass through it and pollute the water! With brass on the health of the human body can play a positive role.
Exceeded the harm of copper on the human body: Although copper is an important essential trace elements, but if excessive intake, but also easily lead to toxic reactions. Mainly by the heavy metal ions brought harm to copper. When a large amount of heavy metals remain in the human body, it is extremely easy to burden the organs in the body, especially the liver and gall bladder. When the two organs have problems, the metabolism in the human body will be disturbed. Cirrhosis and liver Ascites is even more serious.
Cadmium harm to the human body
Lead to high blood pressure, causing cardiovascular and cerebrovascular diseases; destruction of bone calcium, causing renal dysfunction.
Chrome harm to the human body
Will cause limb numbness, mental disorders.
Arsenic harm to the human body
Make the skin pigmentation, resulting in abnormal keratinization. The carcinogenic effects of arsenides have been affirmed by IARC with long-term latency. In addition to arsenic can cause skin cancer and lung cancer, there are also reports of liver, esophagus, intestine, kidney, bladder and other visceral tumors and leukemia.