cal 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 usecheap custom keychains 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, Physiological 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-terminated 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. Silicone bracelets with sayings customize is very meaningful. The bicyclist Lance Armstrong has built a custom "Live Strong" on a silicone bracelet.The silicone bracelet is the brainchild of an American cyclist who has overcome cancer in cycling. The band was designed by Nike in collaboration with the lance Armstrong foundation ahead of the tour DE France in May 2005. They made five million yellow wristbands that cost a dollar each. The band, made of a rubber-like material called silicone and bearing Mr. Armstrong"s famous phrase "Live Strong," a pun on the phrase "the energetic Mr. Strong," became popular around the world. People can now print their birthdays, greetings, company names, addresses or other interesting sentences on silicone bracelets. custom-silicone-medical-alert-braceletswhat-are-the-thick-rubber-bracelets-called the disease. We can make the inspirational sayings on the bracelet to express our desire. It is awareness bracelet also. When you see the bracelet, it will remind you of what need to be always think of. People who plays basketball like to wear a wristband, like LeBron James. It says I PROMISE on his black wristband. It was James"commitment to the Cleveland people. It"s a promise to bring the championship trophy to Cleveland. It inspires LeBron to play better and won more games and finally get the championship for his city. A yellow wristband is an awareness and inspirational wristband. People who wear a yellow wristband can get strength to fight against disease. People usually make pinkcheap custom keychains bracelet for breast cancer awareness. It gives strength to fight cancer.