unlight, it returns to the original color. Photoreceptor products, after sunlight or ultraviolet radiation, can absorb the energy of the sun or ultraviolet rays, produce changes in the molecular structure, lead to changes in the absorption wavelength, and produce color changes; when the sun or ultraviolet energy is lost, the original molecular structure is restored and the color of the cost is reduced. Application of photosensitive discoloration material: coating, suitable for various surface coating products, including PMMA spray paint, ABS spray paint, PVC sbig rubber braceletswristbands.co.uk/big-rubber-bracelets">big rubber braceletspray paint. Ink, printing of various materials, including fabric, paper, synthetic film, glass, etc. Plastic products, suitable for various kinds of plastic PP, PVC, ABS, silicone rubber and other materials, such as the ejection, out of shape. We make the UV transfer wristband with silicone material original colors. So it look like jelly with translucent. The it gets to purple or blue in the sunshine, so cool it is. All styles of logo we can customize on it, debossed , colorfilled, embossed, embossed printed or print. And the size we can make is adult , women, youth and toddler. The there is anything unclear, please go to our category at which we will show you all. printed-wristbands-ukwristbands-online-coupon-code knowledge strength. Blue and white stand for one world one cause Blue and green stand for say no to sectarianism. Also a silicone bracelet can be used as a promotional item for entertainment or sport. It is hot sale as a advertisement gift. Most of the silione bracelets are of no meanings , people wear it just as a popular jewellery. 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. 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 the only one to do it. Maybe you will ask why we offer so big discount, will the quality be low? The answer is that we are exactly manufacturer rather than trader. We do production, design and sales all ourselves. So all the price is wholesale price, factory price. Our strategy small profits and quick sales. 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.