According to the Ministry of information industry's communications bulletin 2017, the total number of mobile phone users in China has reached 1 billion 420 million, of which 75% of mobile phone users choose to use mobile phone shells, and 1 billion of our mobile phone users. Nearly 70% of the country's mobile phone shell comes from Shenzhen, with an annual output value of about 20 billion yuan. So what do you care most about when you choose cell phone shells?
Some cell phone shells may contain toxic and harmful substances.
This seemingly simple and reliable cell phone shell may hide certain security threats. Because the cell phone shell is made up of chemical substances, most of the cell phone shells may contain toxic and harmful substances such as plasticizers, polycyclic aromatic hydrocarbons, heavy metals, and short chain chlorinated paraffins. Once these substances enter the human body, they can not be excreted through normal metabolism and cause great harm to the body. In the mobile phone shell comparison test, the Shenzhen Consumer Council, in conjunction with the actual consumer scenarios, referred to the European Union, Germany and the United States and other related laws and regulations, compared 28 brands of 30 mobile phones sold online and offline. Among them, billion shell, Momax, Le Tianyou, rave, HUAWEI and other 13 mobile phone shells, 201 chemical testing items did not detect toxic and harmful chemicals, and through the aging test, the product is durable, not easy to yellowing. Plus, Shang Rui, ESCASE and other 10 mobile phone shells, 201 chemical tests did not detect toxic and harmful substances; aging test results did not reach level 4, the product is yellow and discoloration. There are 2 kinds of Samsung mobile phone shells: Hua Hu and Hao cool. In the 201 chemical tests, there are 1 test limits using toxic and harmful chemicals, but the detection value is within the standard permitted range.
Apple's official cell phone shell polycyclic aromatic hydrocarbon naphthalene exceeded 47 times.
Apple brand mobile phone shell, priced at 288 yuan, detects polycyclic aromatic hydrocarbon naphthalene content of 94 mg per kilogram, with a limit of 2 mg per kilogram, exceeding the limit of 47 times. The brand name mobile phone shell of 39 yuan is detected, plasticizer content is 0.17%, the limit value is 0.1%, exceeding the limit 0.07%. In addition, the cell phone shell of TIA brand and Q fruit brand also detected 2 times and 13 times the content of polycyclic aromatic hydrocarbons naphthalene.
Yue Ning mobile phone shell: lead exceeded 1550 times.
In this test, the mobile phone shell of Yue Ning brand purchased by Tmall staff from the Consumer Council has exceeded the standard limit, and the lead content of the transparent pink diamond mobile phone shell model of 17P is 155000ppm, the limit is 100ppm, exceeding the standard limit 1550 times.
ETS reminds us that the key factors to guarantee the quality of mobile phone shell products are the processing and utilization of raw materials, and the quality inspection of finished products. Therefore, how to better implement the main responsibility of enterprises is the most important part of the production of qualified products. ETS can provide professional testing services to escort the product quality of enterprises.
