Silica gel desiccant is a safe and environmentally friendly desiccant product. It is widely used in food and medicine, instrumentation, clothing, luggage and other fields. It is often seen in our daily lives. Sometimes it is necessary to understand its performance and Instructions. Let's follow Mingwei Industry to familiarize yourself with how to judge whether the silica gel desiccant is effective and what is the moisture absorption rate?

1. Open the silica gel desiccant packaging bag, hold the silica gel raw materials tightly in your hands to observe whether there is heat generation, if the fever proves that the silica gel desiccant is still effective

2. If there are blue or orange silica gel desiccant particles added, if the silica gel particles have changed color, it means that the silica gel desiccant has expired.

3. Open the silica gel desiccant bag and pour the raw materials into a small cup of cold water. If the silica gel particles make a "chattering" sound, it indicates that the silica gel desiccant is effective.

4. Take a small bag of silica gel desiccant, weigh it, and make a mark. At the same time, fill a small cup of boiling water, spread the silica gel desiccant on the mouth of the cup (not soaked in water), and then weigh it every 1-2 hours to see if there is any weight. Increase, and increase is effective.