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List of contents for this article:
- 1、Is the pc phone case poisonous?
- 2、Is the back cover of mobile phones made of composite material harmful to people?
- 3、The back cover of the mobile phone is made of composite materials. Is it harmful to people?
- 4、Which is better for the phone case back panel, PC or acrylic
Is the pc phone case poisonous?
The formally produced PC phone case is non-toxic when used normally, but may release trace amounts of bisphenol A at high temperatures, so attention should be paid to the use environment. At present, qualified PC (polycarbonate) materials have passed many safety certifications at home and abroad. For example, PC that meets food-grade contact standards is often used in the production of baby bottles and sports kettles. If similar raw materials are used in the production of phone case, it will be safer. However, low-quality PC products may have residual bisphenol A, and there is a risk of trace precipitation when exposed to high temperatures or heated.
Non-toxic. PC plastic has high impact strength, wide operating temperature range; high transparency and free dyeing; high H.D.T.; excellent electrical characteristics; odorless, harmless to the human body, conforming to health and safety; low molding shrinkage rate and good size stability. Heat resistant, impact resistant, flame retardant, and has good mechanical properties at ordinary use temperatures.
Metal/glass: This type of material is stable in itself, so attention should be paid to the plating process. Some plating processes may use heavy metal solutions. The online shopping platform has a higher risk of a phone case with free shipping for RMB 9. A random inspection conducted by a city's Consumer Protection Committee in 2023 showed that 27% of cheap phone case detected excessive levels of polycyclic aromatic hydrocarbons, which are potentially carcinogenic. When purchasing, it is recommended to look for RoHS certification or infant product-level testing reports. Such products are usually screened for 53 harmful substances such as heavy metals and plasticizers.
Hard phone case material safety: Hard phone case is usually made of hard plastic materials such as PC (polycarbonate). These materials usually do not release harmful substances during the manufacturing process if they meet relevant environmental and safety standards. Durable and highly protective: The hard phone case can provide good protective effect and can effectively prevent the phone from being hit and scratched.
Is the back cover of mobile phones made of composite material harmful to people?
1. Normal use of mobile phone composite back covers that meet national and international safety standards will not have harmful effects on the human body. Currently, most of the mainstream mobile phone composite back covers on the market are polycarbonate (PC), carbon fiber reinforced composite materials, glass fiber reinforced plastics, etc. These materials themselves have stable chemical properties and will not release toxic and volatile substances during daily handling and use, nor will they cause health damage to the human body through skin contact.
2. Normally compliant mobile phone back cover composite materials will not cause significant harm to the human body during daily normal use. At present, composite materials used in the back covers of mainstream mobile phones include polycarbonate (PC), carbon fiber reinforced composites, aramid fiber composites, glass fiber reinforced plastics, etc. These materials have undergone strict safety testing and are in line with domestic and international environmental protection and material safety standards, stable chemical properties, and will not release toxic and harmful substances during daily contact.
3. The composite back cover of regular mobile phones that will not come into contact with harmful components in daily use will be completely encapsulated. When holding and using daily, the human body only comes into contact with the anti-fingerprint and wear-resistant protective coating on the surface of the back cover, not the material body, and the coating of regular products also meets safety regulations. Even if there are extremely trace amounts of substances that evaporate, their concentration is far below the safety threshold that will affect the human body.
4. Composite back covers of mobile phones produced normally and in compliance will not cause health hazards to the human body. Composite back covers currently used in mainstream mobile phones, including glass fiber reinforced polycarbonate, carbon fiber composites, ceramic-based composites, etc., are in line with the national consumer goods safety and hazardous substance restriction standards.
The back cover of the mobile phone is made of composite materials. Is it harmful to people?
1. Normally compliant mobile phone back cover composite materials will not cause significant harm to the human body during daily normal use. At present, composite materials used in the back covers of mainstream mobile phones include polycarbonate (PC), carbon fiber reinforced composites, aramid fiber composites, glass fiber reinforced plastics, etc. These materials have undergone strict safety testing and are in line with domestic and international environmental protection and material safety standards, stable chemical properties, and will not release toxic and harmful substances during daily contact.
2. Normal use of mobile phone composite back covers that meet national and international safety standards will not have harmful effects on the human body. Currently, most of the mainstream mobile phone composite back covers on the market are polycarbonate (PC), carbon fiber reinforced composite materials, glass fiber reinforced plastics, etc. These materials themselves have stable chemical properties and will not release toxic and volatile substances during daily handling and use, nor will they cause health damage to the human body through skin contact and other means.
3. Composite back covers of mobile phones produced normally and in compliance will not cause health hazards to the human body. Composite back covers currently used in mainstream mobile phones, including glass fiber reinforced polycarbonate, carbon fiber composites, ceramic-based composites, etc., are in line with the national consumer goods safety and hazardous substance restriction standards.
4. Safety in daily use In the process of daily holding and using the mobile phone, the composite back cover will not chemically react with human skin and sweat, nor will it release volatile harmful gases, and can stably play a protective role. Will have a negative impact on health.
5. The glass fiber composite shell is basically harmless to the human body in normal use and intact, but may pose health risks when processed or damaged. Daily use in non-hazardous situations: As a stable solid material, the glass fiber composite shell will not release harmful substances when used normally on electronic products, vehicles and other equipment, and it is safe for human contact. For example, when such materials are used in car hoods, passengers will have no impact on their daily rides.
Which is better for the phone case back panel, PC or acrylic
Some high-quality PC shells will be treated with matte, which will make the feel warmer and alleviate the problem of slipping. However, compared with TPU shells, they are slightly less resistant to falling and are more likely to break when falling. The feel of acrylic acrylic is similar to that of PC, but it is lighter and lighter, has a higher surface gloss, and is lighter to use. However, it also has the problem of poor slip resistance, and the price is usually higher than the first two materials.
Acrylic material is also commonly used to make the back plate of the iPhone's transparent case. The transparent case with PC acrylic back plate also has the characteristics of not yellowing for a long time, which ensures that the phone case can still maintain a clear and transparent appearance during long-term use and will not be discolored due to the passage of time., yellowing and other issues affect the appearance.
PC phone case and back plate are popular for their excellent drop resistance. Compared with acrylic, PC material has stronger impact resistance, which allows the back cover of PC material to provide longer protection for the mobile phone, thereby extending the service life of the mobile phone. The characteristics of PC material make it more stable when subjected to external shocks.
PC) or acrylic, with high surface hardness and is not easy to be scratched by sharp objects such as keys.
Of course acrylic is good. Acrylic has very good physical properties, light material, easy to process, can be hot bent, cut, and is strong and durable. It has the characteristics of anti-corrosion, wear-resistant, smooth surface, and easy cleaning. It is known as "plastic crystal". Easy processing. Colorful acrylic products can be made by adding pigments to raw materials.
One is that few people spend tens of millions to buy a plastic phone case, and the other is that there are too many fake products. As a member of the plastic "family", acrylic material is undoubtedly the most tragic in the field of phone case. However, the harmless characteristics of acrylic material are very suitable for making products such as phone case. If the cost is relatively well controlled, I believe that acrylic phone case will form a trend in the future.
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