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6 major factors determine the value of the tap

ClassificationFaucet Guide 487

1. Appearance

The outer surface of the faucet is generally chromed. The coating of the product has a specified process requirement and is subjected to a salt spray test for a certain period of time.

No corrosion occurs within the specified time. In sufficient light, it can be placed in the hand and observed directly. The surface of the tap should be black as a mirror, without any oxidation spots or charring marks. And close to non-porous, no blistering, no leakage plating, color, and luster uniformity. When you touch it with your hand, there is no burr, sand grain feel. Press the faucet surface with your fingers, fingerprints spread rapidly, not easy to adhere to the scale. Some of the faucet surfaces are coated with titanium, bronze (imitation gold), like gold electrophoresis paint. Electroplating electrophoresis paint or bronze faucet surface corrosion is often very fast, the three kinds of non-specialists are difficult to identify, but the general

2. Materials

The main components of a faucet are usually cast from brass and are sanded, turned, acid dipped, pressure tested, polished, and plated. Some manufacturers use zinc alloy instead in order to reduce production costs. Handles, decorative nuts, and three-way bathtub faucet switch valves are basically made of brass, zinc alloy, and ABS engineering plastics. Wallcoverings are made of brass, stainless steel, and plastic; connecting nuts and eccentric joints, spouts are made of brass, and the above parts are recommended. The plating made of brass is of guaranteed quality and has long corrosion resistance. The higher the purity of the brass, the better the plating quality, and the less the surface coating is corroded. Zinc alloys have poor plating quality and poor corrosion resistance, while ABS plastics are the cheapest and have poor plating quality. It can be identified by weight estimation, minor surface scratches and surface plating quality. Brass is heavier and harder, zinc is lighter and softer, and plastic is the lightest and softest. However, the parts in direct contact with drinking water are not allowed to use zinc alloy materials.

3. Function introduction

Faucets are available in a variety of styles and functions. They are generally used for washbasins, kitchen sinks, bathtubs, showers, and bidets. According to the function, there are generally ordinary types, induction type, constant temperature type, etc.. Such as induction faucet with automatic water induction function, water from the faucet outlet discharge, convenience, health, more suitable for public places (high-grade) of the bathroom.

4. Valve spool

The valve core is the heart of the faucet, and the ceramic valve core is the best valve core. The better quality products all use a ceramic spool, with strong wear resistance and good sealing performance. Generally can be used more than 300,000 ~ 500,000 times. The low-grade products are mostly copper, rubber and other seals, with a short life. But the price is lower.

5. Surface

The faucet should be glossy on the surface and free of burrs, pores, and oxidation spots when touched by hand. The main body of a quality faucet is generally made of copper. The shaping, polishing, surface plating acid copper, and then plated nickel, chromium plating (three layers of plating). Ordinary products are generally only nickel and chrome plated (two layers of plating). Ordinary products are plated with specific technical requirements and do not rust within a specified period of time through a neutral salt spray test. Therefore, high-quality faucet products with precise structure, uniform plating, smooth and delicate color, can be kept bright as new.

6. Handle

Turn the handle gently to see if it is light and flexible, there is no blockage. Check the various parts of the faucet, especially the main components are tightly assembled, there should be no loose feeling.

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