Silicone straps are very similar to plastic straps, which are sometimes referred to as plastic straps. rubber apple watch band，In precise separation, swipe the strap with your finger, if there is a white pattern, it is a silicone strap.
Silica gel is a highly active adsorption material, an amorphous substance, non-toxic, tasteless, and chemically stable. Silica gel is divided into: macroporous silica gel, coarse-pored silica gel, B-type silica gel, and fine-pored silica gel according to its pore size. Various types of silica gel form different microporous structures due to different manufacturing methods.
Definition of plastic: It is mainly composed of organic or inorganic elements such as carbon, oxygen, hydrogen, and nitrogen. The finished product is a solid, and during the manufacturing process it is a molten liquid. Therefore, it can be melted by heating, flowed under pressure, and cooled to solidify and form various shapes. This large and diverse material is called plastic.
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