8 out of 10 faucets under 20$ echwe

Resaman, the Nanjing Municipal Bureau of Quality Supervision released the results of the 2017 residents’ home improvement products quality spot check, ki enplike tiyo, lavabo asye pur, bathroom brackets and paint-free boards. The pass rate of faucets is the lowest at 67.5%, and the pass rate of faucets priced at 100 yuan and below is only 14.3%.

Pousantaj la ki pa kalifye nan wobinè anba 20$ is as high as 85.7%

Pr ye, the Nanjing Municipal Bureau of Quality and Technical Supervision commissioned the Nanjing Product Quality Supervision and Inspection Institute to conduct random inspections on 40 batches of faucet products sold by production enterprises, circulation areas and e-commerce platforms in Nanjing. Apre enspeksyon, 27 batches were qualified and 13 batches were unqualified, ak yon pousantaj pas 67.5%.

Nanjing Quality Supervision Bureau classified the test results according to the product source and price range, and the results were eye-catching.

La 40 batches of tap products sampled this time were 20 premye, 19 pakèt ak 1 batch sampled from physical stores, E-commerce tribin ak konpayi fabrikasyon, respektivman. Pami yo, the qualification rate of physical store products is the lowest at 55%; the qualification rate of e-commerce platform products is 78.9%; and the qualification rate of production enterprises is 100%.

Soti nan pèspektiv nan pri pwodwi yo, to pas la nan pwodwi nan 70$ and above is 100% (unqualified rate 0%), and the pass rate of products between 20$ ak 70$ è 85.7% (unqualified rate 14.3%). The pass rate of products between 20$ ak 40$ è 62.5% (the unqualified rate is 37.5%), ak pousantaj la pas nan pwodwi nan 100 Yuan ak anba a se 14.3% (the unqualified rate is 85.7%).

2 batches of faucet metal pollutants precipitation exceeded the standard

This sampling inspection was carried out in accordance with GB 18145-2014 “Seramik fèy sele tiyo” ak GB 25501-2010 “Limited Value of Faucet Water Efficiency and Water Efficiency Grade”. Pami la 13 pakèt pwodwi ki pa kalifye, the unqualified items mainly related to surface corrosion resistance, Klas Efikasite Dlo, koule inifòmite ak materyèl, among which 2 batches of products were detected to exceed the standard of metal pollutant precipitation (mennen).

Anplis de sa, this sampling inspection also refers to the standard of QB/T 1334-2013 “General Technical Conditions for Faucets”, and carried out the sealing performance of the faucet after freezing for 4 èdtan, 8 èdtan, 12 èdtan, ak 24 hours at a low temperature of -10°C. Risk monitoring. Apre enspeksyon, 33 batches of faucets meet the standard requirements, with a compliance rate of 82.5%.

Analiz Item Enspeksyon

①Flow uniformity and water efficiency grade

Flow uniformity and water efficiency grade Among the samples sampled this time, 1 batch of water efficiency grade was unqualified, Ak pousantaj la pas nan pwojè sa a te 97.5%; 3 batches of flow uniformity were unqualified, Ak pousantaj la pas nan pwojè sa a te 92.5%. These two items are the requirements for the energy efficiency of the water tap, and the uniformity of the flow is the prerequisite for evaluating the water efficiency grade of the tap. Excessive flow of water nozzles will cause waste of water resources, which is not conducive to the implementation of my country’s energy conservation and emission reduction policies.

②face rezistans korozyon

Among the samples sampled this time, 12 batches of surface corrosion resistance were unqualified, Ak pousantaj la pas nan pwojè sa a te 70%. Products with unqualified surface corrosion resistance are prone to rust during use, which will not provide protection and affect the appearance and use of the product. The surface corrosion resistance of the faucet not only depends on the company’s electroplating process, men tou enplike nan divès aspè tankou materyèl, Distribisyon pwosesis, polisaj ak pretrateman.

③Precipitation of metal pollutants

Among the samples sampled this time, 2 batches of metal contaminants were unqualified, Ak pousantaj la pas nan pwojè sa a te 95%. Presipitasyon polyan metal yo ki gen rapò ak sante moun, espesyalman akimilasyon nan plon nan kò imen an, which can cause long-term health risks in the human body and affect the normal physiological functions of the human body. The low-grade copper grades of faucet products and the substandard production process of the enterprise are all causes of excessive precipitation of metal pollutants.

(Unqualified samples precipitated by gold contaminants)

④materyèl

Among the samples sampled this time, 7 batches of materials were unqualified, Ak pousantaj la pas nan pwojè sa a te 82.5%. Gen kèk pwodwi ki itilize alyaj zenk, a corrosive material whose price is only 1/3 of copper alloy. Materyèl sa a fasil pouw rive, ki pa sèlman afekte aparans la, but also reduces the strength of the faucet, causing water leakage and cracking after a period of use. Konpare ak alyaj kwiv, zinc alloys are cheap and easy to process. In order to control costs and reduce processing links, some companies use zinc alloys instead of copper alloys to make greater profits.

⑤ Risk items (tès tanperati)

This sampling conducted a temperature test, sa se, freezing the water nozzle at -10°C for 4 èdtan, 8 èdtan, 12 èdtan, ak 24 hours to test the sealing performance. Apre tès la, Pami la 40 batches of taps sampled this time, yon total de 7 batches of faucets have leaked in a low temperature environment.

Kounye a, there is no corresponding national standard for the freezing temperature value of faucets. Nan sikonstans nòmal, the faucet will not be frozen and cracked at a few degrees below zero, but after low-temperature freezing, due to the expansion and condensation of water in the valve core, the valve core will be squeezed and stressed. Pral gen flit nan koneksyon an. Yo nan lòd pou konsève pou depans yo, some manufacturers use poor-quality brass as the casting material for the faucet. The ductility of the metal is greatly reduced, and it is easy to freeze at low temperatures and almost breaks when it is knocked.

(Sample with unqualified freeze-thaw sealing performance)

Konsèy Konsomatè

①Avoid buying zinc alloy faucets

Zinc alloy is a corrosive material, so you should avoid this type of product when purchasing a faucet. Li kapab distenge dapre kavite enteryè pwodwi a. Copper materials are generally castings, and the inner wall of the product is not very flat, while zinc alloys are injection-milled, the inner wall will be very smooth, and the inner wall has obvious separation lines. If possible, you can grind away the sample in an inconspicuous place to see the color. The color of zinc alloy is white, while copper alloy is yellow.

②Avoid buying low-cost faucets

The unqualified rate of faucets below 100 Yuan se kòm yon wo 85.7%, and many items that have a greater impact on consumers’ sante, such as the precipitation of materials and metal pollutants, are not recommended.

③Look at the surface

Visually check whether the plating surface of the faucet is evenly glossy, and pay attention to whether there are any defects such as peeling, bravo, burning, fon, dekale, dark spots and obvious pitting. The sprayed surface structure should be fine, lis ak inifòm, without defects such as sagging and bottoming. There is no burr or grit to the hand.

④Look at the thread

The pipe thread of the faucet is connected with the connecting hose or pipe. Lè w ap achte, visually check the thread surface for defects such as dents and broken teeth. Pay special attention to the effective length of the pipe thread.

⑤ Gade santi a

Try turning the handle up, anba, gòch, Ak dwa. If it feels light and does not feel blocking, the valve core is better. The main parts of a good quality faucet are made of brass. Peye atansyon a distenge pwodwi ki sèvi ak materyèl alyaj ak plastik jeni, ki gen bon jan kalite ak lavi sèvis yo relativman pòv yo.

⑥ Water saving

The faucet with a bubbler saves water better. Feel the water flow with your hand when purchasing. Koule nan dlo mou ak rich kimen (kontni jarèt dlo) indicate that the bubbler is of better quality.