Why faucet prices vary widely
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The outer surface of the faucet is generally chrome-plated. The plating of the product has specified process requirements, and after a certain period of salt spray test,
No corrosion within the specified time period. In the case of sufficient light, you can put the product in your hand and observe it at a straight distance. The surface of the faucet should be as bright as a mirror, without any oxidation spots, and scorch marks; but when viewed closely, there are no pores, no blistering, and no leakage plating. , The color is uniform; touch with no burrs or sand particles with your hand; press the surface of the faucet with your fingers, the fingerprints spread quickly, and it is not easy to attach scale.
Some faucets use titanium-plated gold, bronze (imitation gold plating), imitation gold electrophoretic paint and other methods. The surface of the faucet plated with electrophoretic paint or bronze is often corroded quickly, and these three non-professionals are difficult to identify, but the general warranty card will indicate the relevant requirements of the faucet surface.
The main parts of the faucet shell are generally made of brass material, after sand cleaning, turning processing, pickling and impregnation, pressure testing, polishing and electroplating. Some manufacturers choose zinc alloy instead to reduce production costs. The handles, decorative nuts, and switching valves for triple bath faucets are basically made of brass, zinc alloy, ABS engineering plastics; wall covers are made of copper, stainless steel, plastic; connection nuts and eccentric joints, and brass for the nozzle housing, the above components A brass material is recommended.
The quality of electroplating of products made of brass can be guaranteed, and the corrosion resistance time is longer. The higher the purity of brass, the better the plating quality, and the less likely the surface plating layer will corrode. Zinc alloy plating has poor plating quality and poor corrosion resistance, while the ABS process plastic is the cheapest and has poor plating quality. Identification can be made by weight estimation, minor surface scratches, and surface plating quality.
The faucet has various styles and various functions. According to the purpose, there are generally washbasins, kitchen sinks, bathtubs, showers, and bidets. According to the function, there are general, induction, constant temperature and so on. For example, the sensor type faucet has the function of automatically sensing water, and reaching out to the water outlet of the faucet will cause water to flow out, which is convenient, hygienic, and more suitable for public places (upscale) toilets.
The spool is the heart of the faucet, and the ceramic spool is the best. Good quality products use ceramic valve cores, which have the characteristics of strong abrasion resistance and good sealing performance. Generally, they can be used for more than 300,000 to 500,000 times. Low-grade products mostly use copper and rubber seals, which have a short service life. But the price is low.
The faucet should pay attention to the gloss of the surface, and there is no burr, no stomata, no oxidation spots, etc. when you touch it. The main body of high-quality faucet is generally made of copper. After molding and polishing, the surface is plated with acid copper, then nickel and chrome (three-layer plating); ordinary products are generally only nickel-plated and chrome-plated (two-layer plating). The coatings of regular products have specific process requirements, and pass the neutral salt spray test, and there is no rust phenomenon within the specified time limit. Therefore, high-quality faucet products have a tight structure, a uniform coating, and a smooth and delicate color, which can remain bright as new after long-term use.
Gently turn the handle to see if it is light and flexible and there is no obstruction. Check the parts of the faucet, especially the main parts are tightly assembled, and there should be no loose feeling.