what are silicone rubber and type


Introduction: what are silicone rubber and type? 

Silicone rubber and tpe are two materials that are often used in manufacturing. They both have their own unique set of properties that make them ideal for different applications. Here is a brief overview of each material:

Silicone rubber is a synthetic polymer that is made up of silicone, oxygen, and hydrogen atoms. It is a rubbery material that has a wide range of applications due to its ability to withstand high temperatures and its flexibility.

TPE (thermoplastic elastomer) is a plastic material that has many of the same properties as rubber. It is less brittle than rubber and can be molded into various shapes. TPE is often used in products where a softer feel is desired, such as in children’s toys. 

Composition: what are they made of? 

In terms of composition, silicone rubber is made of silicon, oxygen and other trace elements, while TPEs are typically copolymers – meaning they’re made of two different types of monomers that are chemically bonded together. The two main types of TPEs are thermoplastic elastomers (TPEs) and styrenic block copolymers (SBCs). In terms of chemical structure, TPEs consist of hard and soft segments, while SBCs have three distinct regions: a hard middle region sandwiched between two soft outer regions. 

Characteristics: how do they differ? 

There are two main types of elastomeric materials: silicone rubber and thermoplastic elastomers (TPE). Both materials have unique properties and characteristics that make them suitable for different applications. Here is a comparison of the two material types:

Silicone Rubber: 

-Silicone rubber is an inorganic synthetic polymer made from silicon, oxygen, and other elements. 

-It has a wide range of applications due to its stability, heat resistance, and ability to withstand extreme environments. 

Thermoplastic Elastomers (TPE): 

-TPE is a plastic that can be repeatedly melted down and reformed without losing its properties. 

Uses: where are they used? 

There are many uses for silicone rubber and tpe. They are used in a variety of industries, including:

Silicone automotive parts

– aerospace

medical silicone hoses

– food and beverage

– electrical and electronics

Silicone rubber is often used in automotive applications because it can withstand high temperatures. It is also used in aerospace applications because it has excellent resistance to compression set. Tpe is often used in medical applications because it is biocompatible and inert. It is also used in food and beverage applications because it is FDA approved. 

Advantages and disadvantages: what are the pros and cons of each? 

One of the most common questions asked when choosing a material for your project is whether to use silicone rubber or thermoplastic elastomer (TPE). They are both elastomers (rubbery materials) with many similar properties, but there are also some important differences. Here is a quick overview of the pros and cons of each material:

Silicone rubber is very stable and resistant to changes in temperature, making it ideal for applications where the material will be exposed to extreme conditions. It also has good electrical insulation properties and is very resistant to chemicals. However, silicone rubber can be more expensive than TPE and is not as easy to recycle.

TPE is less expensive than silicone rubber and can be recycled more easily. It also has good flexibility and elasticity, making it ideal for applications where the material needs to be able to stretch or flex. 


When it comes to choosing a material for your products, it’s important to weigh the pros and cons of each option. In the case of silicone rubber vs TPE, both materials have their advantages and disadvantages.

 Silicone rubber is more durable and has a higher heat resistance than TPE. However, it’s also more expensive and can be harder to work with. TPE is less expensive and easier to work with, but it isn’t as durable or heat resistant as silicone rubber.

 Ultimately, the decision of which material to use will come down to your specific needs and requirements. If you need a durable, heat-resistant material, then silicone rubber is the better option. If you need a less expensive, easier-to-work-with material, then TPE is the better choice. 

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