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The keypads and sealing parts of 3C products must not only provide a good tactile feel but also ensure electrical insulation and protective sealing to prevent dust and moisture from侵入 internal circuits. This places extremely high demands on the material's comprehensive performance. A dedicated addition-cure liquid silicone rubber for electronic keypads, with its excellent electrical insulation and multi-scenario adaptability, serves both as an electronic keypad material and for sealing 3C products. It has become a "versatile material expert" in the 3C industry, providing a one-stop solution for both keypad and sealing requirements.
Electrical insulation is its core safety advantage. It effectively blocks current conduction, preventing short circuits and leakage issues caused by poor insulation—even when used in the keypads and seals of 3C products紧贴 internal circuits. It fortifies the electrical safety of 3C products. It is particularly suitable for portable 3C devices like mobile phones, tablets, and Bluetooth speakers, which have精密 internal circuits where the insulation protection of keypads and seals is paramount. This silicone successfully balances protection with usability.
Its comprehensive performance also perfectly adapts to various 3C application scenarios. As an electronic keypad material, its Shore A hardness of 40A delivers a smooth pressing and springy rebound feel. As a sealing material for 3C products, its excellent conformability allows it to tightly envelop product gaps, effectively blocking dust and moisture and extending the lifespan of 3C devices. It can also be used to manufacture keyboard protective covers; its transparent nature doesn't obstruct keyboard key visibility, and its good elasticity allows the cover to fit snugly, providing both protection and operability.
The cured silicone also possesses stable physical properties. Its tear strength of 15 kN/m makes it resistant to friction and tearing, preventing damage during日常 use. With a density of 1.09 g/cm³, it is lightweight and adds no significant weight to 3C products. From various electronic keypads and keyboard covers for 3C products, to sealing parts for mobile phones, speakers, and tablets, and other injection-molded 3C accessories, this silicone adapts precisely. It offers a one-stop material solution, saving material selection and development costs for 3C product manufacturing.