and shelf life ,not the process of making it ;When we went to buy a cell phone ,we are only going to get to know the function of it ,instead of understanding how mobile phones are developed .In nowadays ,the personalized silicone bands is the most popular ornament ,most people choose to order silicone bands to wear .But they only have a simple understanding of the rubber bracelets . Do you want to know more information about the silicone bands ? The first silicone bands was born in USA in 2005 ,the color of the silicone bands is yellow with message "LⅣESTRONG",the meaning of it is resist disease, cancer, and stronger life .There are some common styles of the rubber bracelets ,such as debossed colorfilled wristband ,embossed printed wristband and so on .And there are some common sizes ,for example ,adult size (202*12*2 mm) ,youth size (180*12*2 mm) ,toddler size (150*12*2 mm) .The high quality silicone bands are environmentally friendly ,and it has good elasticity and is not easy to break .If we want to judge the quality of the silicone wristband ,the easiest way is to smell the bracelet .Silicone bands are of good quality if they don"t have a pungent odor . &nid wristbands for eventsbsp; cheap-silicone-wristbands-for-fundraisingcheap-silicone-bracelets-canada t touches smoothly 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 3id wristbands for events-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.