to purple or blue normally which indicating the strength of the UV index. Wearing it on the wrist is a good way to avoid long time staying under strong sunshine. We add UV powder which is also green as silicone in production. The UV powder is kind of photochromic material. We use it to make this change. Photoreceptor color is irradiated by ultraviolet or sunlight, absorbs ultraviolet or sunlight, and produces changes in color. When it loses ultraviolet or sunlight, 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 spray 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. custom-camo-silicone-wristbandscool-silicone-wristbands bracelet swatch siliconeustralia.com/best-friend-rubber-bracelets" target="_blank"> bossed or debossed mould first. This kind of mould is made from copper with the logo inside. When it extruded the silicone , the logo will be one the band. Silk screen printing is applied for printed silicone bracelets. Modern screen printing technology is making screen by photoengraving method using photosensitive material ,oil paintings, prints, posters, name card, binding covers, packaging, commodity, textile printing and dyeing, glass and metal plane carrier. And also this is the printing method for the printed silicone bracelets. How to clean a silicone wristband ? With the long term use of a rubber wristband, we will find it full of dirt things. So how to clean it become a question.Here a simple way for cleaning. First place the rubber wristband in warm water for 3-5 minutes. Then gently rub it a few and put it to cool dry place. Detergent is recommended if the previous method does not work. custom-friendship-braceletscustom-bracelets-toronto embossed printed, debossed or embossed also. We make all the bracelet matching the pantone colors. The bracelet can be solid, segment, swirl, glowing and UV transfer. We can add glitter into the bracelet, it gain the effect of little stars. We color the logo with the silicoe ink which is eco friendly as well. Usually you can choose the logo style for normal easy design. Ibracelet swatch siliconef the logo is hard, we will advise the best one. Like if the outline is less than 0.3mm thickness, we can only use printed style. As the colorfilled, embossed printed, debossed and embossed require at least 0.3mm. Using coupon SAVE10, we offer 10% dicount for the total price. Besides, order less than 100pcs, get 50pcs free and 5pcs 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.