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othly with special surface treatment and easily stick with dust , hair and other impurities.
Third, when it burned with fire, the false silicone bracelet will come up with the black material on the edge while the true one shows white powder.
And final, tell a reliable method to clean the bracelets. Get it soak in warm water for 3-5min, rub a few and add the detergent if necessary. Then all done after drying by air.
After proper dewatering , the silica gel mSiO2?nH2O become a porous mass that is of different particle size. This is so called the silicone.
The silicone has the open vesicular structure , large specific surface. So it can absorb many substances as a good desiccant, adsorbent and catalyst carrier.
Adsorption of the silicone is mainly the physical one that can be regenerated and good for repeated use.
Let the silica gel soak in the cobalt dichloride solution then get it dried and activated , will become the allochroic silica gel. It will transfer from blue to red color when absorb water. Changes in color shows the degree of water absorption and whether need the regeneration treatment.