o amorphous material. Silica gel is a kind of amorphous silicon dioxide, mainly composed of silica. Its chemical property is stable, and it does not burn. Chemical formula is xSiO2?yH2O. Silica gel contains organic silica gel and inorganic silica gel. Inorganic silica gel is a highly active adsorption material. It is usually prepared by reaction of sodium silicate and sulfuric acid, and a series of post-processing processes such as aging and acid bubble. Household use desiccant, humidity regulator, deodorizer belongs to inorganic silica gel.Organic silica gel is an organosilicon compound. It refers to a compound containing Si-C bond and at least one organic group, which is directly linked to silicon atoms. It is mainly divided into four categories: silicone rubber, silicone resin, silicone oil and silane coupling agent. There are 4 types of silicone products, moulded silicone products, extruded silica gel products, liquid silica gel products and special silicone products. Silicone rubber is one of organic silica gel and it is one of the moulded silicone products Temperature resistance, weatherability, electrical insulation performance, Physiologibottle opener ringcal inertia, Low surface tension and low surface energy are the outstanding characteristics of organic silica gel. The one we use to make bracelet is named polysiloxanes di-Me Me vinyl vinyl group-terminatbottle opener ringed chemically. We add curing agent to the soft original silicone rubber and mix them evenly, then put it to molding machine with high temperature of about 200℃, a few seconds later the silicone rubber gets solidified. Here comes the silicone bracelet with custom logo by mould. Characteristic of the silicone rubber stay same on the process but it get more strengthened. custom-wrist-sweatbandssiliconeband-ca ntion of people from all age groups. Are you also fascinated by these multi-coloured rubber bracelets? If yes, the good news is that you can design your own rubber band bracelet without spending a lot of money. The addition of the customized messages on the silicone bracelets and other silicone products make them immensely popular and useful as well. Users can utilize them on the basis of their imagination. Any color can be selected depending upon the purpose and usage. Silicone is a highly durable material and it also lasts for a long time. The variety of usage it has and the feature of customization it possess, make it worth having. As to the free shipping,It is just all a publicity stunt. It will be add to the price. If you want to get a good price,You can make your own choice at www.24hourwristbands.ca. silicone-wristbands-winnipegsilicone-wristbands-bulk mes and we can get good reviews from this item. We make it in different size. 202mm for adult, 190mm for women, 180mm for youth and 150mm for toddler. Some inspiraton should be printed on the wristbands to aware us bulid a good family. We can make the logo and bracelet of multi colors. The logo can be printed, colorfilled or embossed printed. Different style gets different feature, pls refer to our category page to see. The bracelet can be solid, swirled or segmented. Rainbow and camouflage bracelet is most popular. Other kinds of family bracelet are the glowing and UV one. The glowing bracelet can glow green or blue in the dark. UV bracelet will change its color from transparent to purple or blue under the sun. It is perfect for night or outdoor family ativities. Big sales now of 10% discount using coupon code SAVE10. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free. Welcome to place an order here. he wristband printing ? Or how many styles of the printing on the wristband ? Let me show you. There are 3 styles regularly. Debossed colorfilled silicone wristband is a kind of wristband that is debossed and filled with colors. It has a debossed effect on the surface of wristband . We need to make one mould for every design. When it is extruded the silicone , the logo will be on the wristband. Finally we will fill it with the silicone ink. Embossed printed silicone wristband is made by mould also. It has embossed effect. All the logo or text are printed with silicone ink on the surface. The logo or text can be continious or front and back opsition. Printed silicone wristband is plain with a customized logo. Your logo or text can be printed on the surface of the blank wristband with the silicone ink by the silk screen printing technology. We make a unique printed film for one design. It touches smooth.