purities. 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 desicpersonalized wristbands bulkcant, 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. s keychains free. Order 100pcs or more, get 100pcs free and 10pcs keychains free. All the free wristbands and keychains are same design of the one you order. We are manufacturer rather than trader. We do production, design and sales all ourselves. So all the price is wholesale price. No extra cost, no MOQ. Event one pcs we can make with no extra cost. We are online 24 hours 7 days. You can contact us via email, phone call or live chat. We are appreciated that we can send us inquiry with design detail. All the ditital proofs are free, no matter you order or now. We can do super rush order in 2 days. One day production and one day shipping. Time is guaranteed or we will refund if it dealy. We are always strict in quality of our product focusing opersonalized wristbands bulkn edge cutting, polluted mark and printed logo. If there are defective, we will make replacement free. bossed, embossed or printed as basic style. If you want the logo be colorful, the debossed colorfilled, embossed printed or printed with colors will be a good choice. A custom silicone wirstband contributes to memorials, cross-fit, holiday decoration, party favors, company event etc. Go to a website to custom your own wirstband is a easy way . First, select your size. Length 8inch for adult, 7inch for youth and 6inch commonly for kids. If you want the suitable size of you wrist, a new mould must be made to match it. Second, choose your band color and logo color. Variety of colors in the pantone color chart to match your favourite. The band can be swirl, segment or solid. Third, choose the band and logo style. The band can be figured as you request. The logo can be printed, debossed or embossed with color or not. The first rubber wristband came to the world in US 2005. It is the yellow “LIVE STRONG” silicone rubber wristband resisting cancer. LIVESTRONG rubber wirstband was adorned by Armstrong who suffer from cancer. He shows us the strengthen and brave facing the disease. Different band colors stand for different meanings. For example white for making poverty history and blue for beating bullying. Also we can also make our message to express our desire.