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, 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. custom-wrist-sweatbandssiliconeband-ca racelets. Silicone bracelets are also known as energy silicone bracelets and healthy silicone bracelets. Because it is not only a bracelet, wearing silica gel bracelets has the efficacy of mosquito repellent and health care, different colors represent different meanings. Silicone bracelets were first popular in the United States. The world"s first silicone bracelet is yellow "LIVESTRONG". The common purpose of all people wearing this bracelet is to fight disease and cancer and make life stronger. Since then, because of the advantages of environmental protection, non-toxic, tasteless, good elasticity and easy wear, silica gel bracelets have gradually developed into a popular jewelry, loved by young friends, and now the popularity has spread to the world. The meanings represented by the colours of all kinds of silica gel bracelets are as follows: White: make poverty history Yellow(LAF): livestrong Black+White(Nike): stand up speak up Blue(BBC radio): Beat bullying Pink(BCC): support knowledge strength Red(BHF): feel the pulse Deep blue/Blue+white蓝白: one world one cause/ tsunami Relief Blue+Green: say no to sectarianism montre-tommy-hilfiger-homme-bracelet-siliconeevent-wristbands-vancouver he logo of Michael on the bracelet will remind you of all the achievement he made. The heart suggestion will inspire you to play better to overcome limitations. There will be great power of heart suggestion made by the silicone bracelet of your star. A digital sports bracelet is based on a variety of detection devices in the bracelet and link with mobile APP. The phone personalized bracelets for womenshows the physical fitness, heart rate, blood pressure and other indicators of the value. The principle is very simple, testing the blood distribution of the skin changes shows blood pressure and heart rate. The data is collected by the sensor. After the filter processing, the analysis is converted into a number of steps or movement. That all shows the standard of health. Different color of the bracelet has different personalized bracelets for womenmeanings. Band color white stand for making poverty history. Yellow stand for livestrong. Black and white stand for standing up and speaking up. Blue stand for beatting bullying. Pink stand for supporting 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.