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保护壳软壳材料及性能要求：
保护壳软壳材料及性能要求：
Material and performance requirements of protective shell and soft shell:
1. 安全性：无毒无臭，不能残留挥发性有毒溶剂。一般保护壳软壳材料中需要添加各种助剂和有机物溶剂
1. Safety: non toxic and odorless, and volatile toxic solvents cannot remain. General protective shell soft shell materials need to add various additives and organic solvents
，因为手机壳是与人体直接接触的材料，所以必须保证这些助剂及溶剂安全无毒或者在出厂时无残留。
, because the mobile phone case is a material in direct contact with the human body, it must ensure that these additives and solvents are safe and non-toxic or have no residue when leaving the factory.
2. 保护性：目前的手机壳都在追求轻薄与便携，但是在追求轻薄的同时，也要保证保护壳的力学性能
2. Protection: at present, mobile phone cases are pursuing lightness and portability, but while pursuing lightness, it is also necessary to ensure the mechanical properties of the protective case
，所以要求保护壳具有较高的抗拉、抗冲击强度、耐疲劳性、耐磨性和抗紫外线能力。这样才能充分保护手机等电子产品在跌落，收到强震动时不损伤内部精密电子元器件和屏幕。
Therefore, the protective shell is required to have high tensile strength, impact strength, fatigue resistance, wear resistance and UV resistance. In this way, we can fully protect the mobile phone and other electronic products from damaging the internal precision electronic components and screen when they fall and receive strong vibration.
3. 信号屏蔽：手机作为通讯工具需要保障信号连接的稳定性，所以手机壳材料必须具有极低的信号屏蔽，不能干扰手机正常接收信号。在家庄电动伸缩门 保定桌椅 保定水处理设备 河北机械加工 保定养老院 保定防水目前5G逐渐普及的大趋势下，许多手机厂商会考虑在手机壳上覆盖天线处作挖孔处理以保证信号连接的稳定性。
3. Signal shielding: as a communication tool, the mobile phone needs to ensure the stability of signal connection, so the mobile phone shell material must have very low signal shielding and cannot interfere with the normal signal reception of the mobile phone. Under the general trend of 5g becoming more and more popular, many mobile phone manufacturers will consider digging holes at the place where the antenna is covered on the mobile phone shell to ensure the stability of signal connectio
Material and performance requirements of protective shell and soft shell:
1. 安全性：无毒无臭，不能残留挥发性有毒溶剂。一般保护壳软壳材料中需要添加各种助剂和有机物溶剂
1. Safety: non toxic and odorless, and volatile toxic solvents cannot remain. General protective shell soft shell materials need to add various additives and organic solvents
，因为手机壳是与人体直接接触的材料，所以必须保证这些助剂及溶剂安全无毒或者在出厂时无残留。
, because the mobile phone case is a material in direct contact with the human body, it must ensure that these additives and solvents are safe and non-toxic or have no residue when leaving the factory.
2. 保护性：目前的手机壳都在追求轻薄与便携，但是在追求轻薄的同时，也要保证保护壳的力学性能
2. Protection: at present, mobile phone cases are pursuing lightness and portability, but while pursuing lightness, it is also necessary to ensure the mechanical properties of the protective case
，所以要求保护壳具有较高的抗拉、抗冲击强度、耐疲劳性、耐磨性和抗紫外线能力。这样才能充分保护手机等电子产品在跌落，收到强震动时不损伤内部精密电子元器件和屏幕。
Therefore, the protective shell is required to have high tensile strength, impact strength, fatigue resistance, wear resistance and UV resistance. In this way, we can fully protect the mobile phone and other electronic products from damaging the internal precision electronic components and screen when they fall and receive strong vibration.
3. 信号屏蔽：手机作为通讯工具需要保障信号连接的稳定性，所以手机壳材料必须具有极低的信号屏蔽，不能干扰手机正常接收信号。在家庄电动伸缩门 保定桌椅 保定水处理设备 河北机械加工 保定养老院 保定防水目前5G逐渐普及的大趋势下，许多手机厂商会考虑在手机壳上覆盖天线处作挖孔处理以保证信号连接的稳定性。
3. Signal shielding: as a communication tool, the mobile phone needs to ensure the stability of signal connection, so the mobile phone shell material must have very low signal shielding and cannot interfere with the normal signal reception of the mobile phone. Under the general trend of 5g becoming more and more popular, many mobile phone manufacturers will consider digging holes at the place where the antenna is covered on the mobile phone shell to ensure the stability of signal connectio
