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is very different . Some novice friends don"t know the word "fuel injection" . The main purpose of fuel injection is to coat the surface of the product with a coat of paint to make it more comfortable for customers to wear . Oil injection has a good effect on the dust-proof and sticky-proof properties of silica gel bracelets . For examplerubber bands to make bracelets , some customers will ask us why the silicone wristband are often covered with dust . Actually , the reason why rubber bracelet often stick to dust is that they don"t have any spray hand-feeling oil . The effect of silicone bracelets sprayed with hand-feeling oil is hard to see with the naked eye , and there is a distinction between the wristband sprayed with hand-feeling oil and non-spraying hand-feeling oil when we touch it . The main features of oil-sprayed silica gel hand rings are smooth handle , high surface finish and smoothness , no dust contamination . Silicone hand rings without spray-feeling oil have low gloss , feel less smooth with hands , and their service life is not long .          

elongs to 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 thrubber bands to make braceletse 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.

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