Water, the source of all things. It is the material basis for the survival of all living things.
Faucet, the carrier of water. The casting materials of the faucet are all the contents, so the choice of faucet materials is closely related to people's water health.
According to statistics, most of the faucets currently on the market are made of iron, copper, stainless steel, alloys, plastics, etc. as the main material. Due to the superiority of copper materials in many aspects, especially with the emergence of copper-free lead (low lead), more than 90% of high-end faucets at home and abroad have been cast with copper. This paper makes the following analysis report based on various materials of casting faucets currently on the market.
The faucets used in our daily life, when the faucet is closed, the water is at a standstill, and after the faucet is used for a long time, an environment suitable for the survival of bacteria is formed on the surface, so that the bacteria generate bacteria on the surface of the inner cavity after the water is still. From Figure 1, we can see that copper material can kill more than 99.9% of bacteria in two hours, becoming the most effective contact surface material in the world, and no other material can match it. Scientific confirmation by many world authorities such as EPA). Because copper materials have many superior characteristics, and lead-free faucets have been most fundamentally solved with the widespread use of lead-free copper (low lead), most faucet companies around the world have chosen to cast with copper materials. Faucet. Its irreplaceability is once again a topic.
Figure 1 (chart from --D.Grass, Keevil, Rensing & Solioz US Environmental Protection Agency EPA and many other world authorities)
Vertical coordinate: Bacterial volume abscissa: time
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