Water ripples/white spots are a common problem currently faced by LCD modules. Finger pressure, compression of the back cable, and contact with the housing can all cause short-term water ripples or permanent white spots. The traditional solution is to apply foam to the shell and use foam to relieve pressure or device squeezing. However, it is often difficult to properly isolate the wiring and IC chips.

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Handheld devices are prone to contact with sweat, rain, and in extreme cases, they may fall into water during daily use. These situations have increasingly strict requirements for waterproof sealing of handheld devices. How to design and produce waterproof equipment has become a challenge for structural engineers.

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In response to the application requirements of customers, Guangqian recommends the GM series products. The GM series is the main product for sealing support applications. It has a stable and detailed foam structure, strong and tough pore walls, and can reach UL94V-0 fire retardant level as thin as 0.8mm. It can work normally in the range of -50-200 ℃, with low smoke and low toxic gas emissions, excellent rebound performance, and has been tested under harsh temperature conditions with minimal stress relaxation loss. It is very suitable for customers' application needs in such harsh environments.

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