What kind of desiccant should be used for electronic products?

Release Time：

2019-09-12

At Hengyuan Desiccants, we learned that electronic products are precision instrument accessories and have high requirements for humidity and moisture prevention in the packaging environment.

Electronic products Desiccant Which type? From Hengyuan Desiccant, we learned that electronic products are precision instrument components with high requirements for humidity and moisture control in the packaging environment. Generally, they use Desiccant for moisture control and dehumidification to keep the space dry.

Today, electronic components are developing towards miniaturization, and packaging is also gradually developing towards lower cost. Generally, electronic components are plastic-encapsulated. However, the disadvantage of plastic encapsulation is that humid air can penetrate through the packaging material and the joints of the components into the interior of the device. On the one hand, this causes internal circuit oxidation, corrosion, and short circuits. On the other hand, the high temperature during the assembly and welding process of electronic components will cause the humid air entering the IC to expand due to heat, generating sufficient pressure to cause separation (delamination), damage to wire bundles, chip damage, and internal cracks. More serious cracks can extend to the surface of the component, causing the component to swell and burst. According to statistics, more than 1/4 of the defective and scrapped products produced annually by the global electronics industry and other industrial manufacturing industries are caused by humid air.

So which desiccant should be used for electronic products?

Electronic desiccant There are two types:

1. Silica gel desiccant

　　2. Mineral desiccant

　　The moisture-proof effect of the desiccant should be considered from the performance of the desiccant itself and the usage environment. When selecting a desiccant for electronic products, consider:

　　1. The selected desiccant should not be corrosive.

　　2. The selected desiccant should not easily produce dust.

　　These two points are very important. When electronic products are used Desiccant they are generally placed inside the packaging bag. Because the working environment of the desiccant is relatively sealed at this time, the effect of use will be better.

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