. It transfer 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 cheap custom wristbands free shippingproduction. 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 ultravioletcheap custom wristbands free shipping 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 d fundraising idea. Non-profit organizations create funds by buying wristbands in bulk which has embossed lettering or simple graphic. Fundraising is done for sports team, worship places, arts initiatives and capital campaigns for swimming pools etc. These silicon rubber wristbands can be customized or personalized as to your liking and can be used as you want. These come in various styles including embossed, debossed, printed, color filled, segmented, swirled, figured, dual colored, simple blank and colored ones, glow in dark wristbands and in any color you want. Now these days, unlike earlier when custom wristbands had to be ordered in bulk, you can order few without paying much. Today, the manufacturer even allow you to design your own wristbands. You can make your own choice at www.24hourwristbands.ca. Our wristbands will not tear or stretch and it is used among some of the largest entertainment attractions in the world! silicone-wristbands-free-shippingsilicone-wristbands-australia celet before. So let me introduce the silicone products. Silicone products can be divided into three categories according to the different molding process. 1、Molded silicone products Molded silicone products are usually made by being put into the high temperature mold after the addition of curing agent in the solid silica gel through the curing machine pressure and high temperature into a solid. The shape of the mold determines the shape of the molded silicone products. Molded silicone products is currently the most widely used in the silicone industry. So as for silicone bracelets. 2、Extruded silicone products Extruded silicone products are usually extruded through the extrusion of silicone molding. The general shape of the extruded silicone long and tubular which can be cut, but the shape of the extruded silicone has limitations. 3、Liquid silicone products Liquid silicone products are made through the injection molding of silica gel. Because of its soft characteristic, widely used in the simulation of human organs. for kids aged 5 to 10. It is made from eco friendly material, so it is harmless to kids healt. Since we make it high quality silicone which is soft to wear, kids will love our it much. The product of figured shape, glowing and UV transfer and anti-mosquito is very popular. We can make it figured shape for the logo, like a watch, heart or basketball which has larger size on the wristband, so it will be outstanding and clearer. A glowing wristband glows in the dark with green or blue magicly. The glow last for a bout 3h and it needs to absorb light enery from sun or lamp light before glowing. The kids must like it and be bursting with curiosity. It is good for night event. UV wristband will tranfer its color from transparent to blue or purple. It indicates the strength of UV index. The color will be darker if sunshine stronger. It is good for outdoor ativities like football, basketball and camping. We add some herbaceous oil into the silicone, then it become an anti-mosquito wristband. It can help avoid the attack of mosquito outdoor.