1. Material difference:

Rubber: Rubber is a natural polymer compound, whose main molecular chain is composed of carbon, hydrogen, and oxygen elements. Due to its excellent comprehensive performance, it is widely used in industries such as chemical, construction, textiles, and healthcare. In industry, rubber hoses are commonly used to transport liquids or gases. According to different manufacturing methods, it can be divided into three types: raw rubber (unvulcanized rubber), mixed rubber (semi-finished products that can be further processed into various products), and plastic compound rubber.

Metal: Metal is a conductive substance with excellent thermal conductivity and ductility, as well as high strength and hardness; There are various types of metal materials, mainly divided into two categories based on their uses: steel and non-ferrous metals; Non ferrous metals can be further divided into two categories: alloy steel and stainless steel; According to smelting methods, there are mainly two categories: arc metallurgy and non arc metallurgy.

2. Function difference:

(1) Different elasticity:

Rubber has a good elastic recovery rate (i.e. recovery ability), and can quickly return to its original shape and maintain a certain degree of softness when external forces are removed; However, metal materials do not have this characteristic.

(2) Different degrees of temperature resistance:

Due to significant differences in material properties, the temperature requirements for the two materials are also not the same. Generally speaking, the heat resistance of rubber is lower than that of metal materials Ordinary tires are made of natural rubber, while high-temperature resistant special synthetic fibers are mostly made of high-temperature alloy materials (such as nylon 66).

(3) Different levels of wear resistance:

Generally speaking, for the same product, there is not much difference in the wear resistance between the two materials. However, if the usage conditions are harsh, there will be a significant difference between the two. For example, car tires use radial tires. This type of radial tire uses high wear resistant polyurethane composite as the lining, greatly improving its service life.

(4) Price difference:

Due to factors such as raw material costs, there is also a significant difference in production costs between these two products. Generally The price of ordinary plastic is much cheaper than that of hard alloy Moreover, the production cycle is much shorter. Additionally,... " In some special occasions, such as certain special mechanical components such as bearings, the materials used are also made of composite materials.