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Six reasons why silicone keys are broken

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The biggest quality requirement of silicone keys is not to break, and there will be a certain probability of bad breaks in daily applications. In addition, silicone buttons are also called: silicone buttons, silicone buttons, silicone buttons, and silicone rubber buttons. How to reduce the defective rate of silicone buttons and improve production efficiency? The editor will work with you to analyze the following six reasons for defective rupture:

1. The temperature is too high during molding
Silicone buttons will become brittle when the temperature is too high during molding, and they will be easily broken after molding. You only need to appropriately lower the molding temperature.

2. Incomplete vulcanization of silicone buttons
When the mold temperature of the silicone button molding is too low or the curing time is too short, it will cause the product to stick to the mold and be difficult to release, so it is easy to cause rupture. It can be solved by appropriately increasing the mold temperature or prolonging the vulcanization time;

3. The surface of the silicone button molding mold is too rough or accumulated dirt
The mold cavity with rough surface or accumulation of dirt is not conducive to demolding, and molds that are not easy to demold are easy to break, and the mold needs to be cleaned or electroplated;

4. Wrong operation technique during demolding
When demolding, many mold masters have not received professional training or are not careful in their work. If they do not follow the strict operating instructions, the silicone buttons will be broken. This requires professional operating skills training or strict work for the operators. system.

5. The release of the silicone button is not good when the mold is lifted
Cause the product to break during the mold lifting process, at this time, it is necessary to spray an appropriate amount of release agent on the surface of the silicone key mold to continue production;

6. The button silica gel used is too bad
Some factories blindly reduce costs and use inferior button silicone raw materials, resulting in poor quality of the silicone buttons produced, poor rubber materials, poor toughness, and memory cracks, which is very normal. To solve this problem, you need to replace the better button silicone rubber .

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