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. but also make is high quality silicone slap bracelets. It is soft and environmentally friendly in and loved by people. Its surface is high quality silicone, embedded in thin steel bars, custom made lanyardsso it can be modified and restored. When we hit the slap wristband on the wrist, the steel bar is forced and deformed and curled, so it is very convenient to wear on the wrist. It area is relatively large, so we can print more content on it, playing a propaganda effect. Generally, the size of the slap wristband is 230*25mm and 215*25mm. Thcustom made lanyardse color can make all pan tones. It can be solid, segment, swirl, glowing or UV transfer. As there is a steel bar inside, we usually make the logo and message printed style, one or mutil colors. Welcome to order slap wristbands. Big sales now of 10% discount using coupon code SAVE10. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free. Welcome to place an order here.