Due to its exceptional qualities, including resistance to UV rays, water resistance, low chemical reactivity, high and low temperature resistance, and more, silicone has swiftly become the most widely used safe substitute for harmful plastics. Since silicone is regularly advertised as inert and adaptable, it finds employment in a wide range of consumer goods and industrial applications. Silicone cookware is one of the most well-known examples, along with silicone bakeware, silicone ice trays, silicone fermentation lids, etc.

We go through its applications in this manual and contrast it with silicon and plastic. You will discover more about the steps involved in producing silicone and some of the remarkable benefits of this substance.

What Is Silicone?

The silicon-oxygen backbone of silicones, which is comparable to that of silicon dioxide (silica), is replaced by organic groups that are joined to the silicon atoms via C-Si bonds. Organic groups are made visible to the exterior via the silicone chain.

What Is Silicone Made Of?

Contrary to most polymers, which are often created via the synthetic processing of fossil fuels, silicone is created using silica as the primary raw ingredient. Silica, which is present in quartz and the world's sands, is a non-renewable, limited resource. Silica, on the other hand, is a far more abundant mineral. The extraction of the material needed for its development is not always as expensive for the environment.

How is Silicone Produced From Silicon?

Let's look at the several processes silicone manufacture goes through.

Step 1: Separate Silicon From Silica

The first step in making silicone is to separate silicon from silica. Large amounts of quartz sand are heated to temperatures as high as 1800 degrees Celsius in order to accomplish this. It produces pure, isolated silicon. Manufacturers can turn it into fine powder once it cools.

Step 2: Making Methyl Chlorosilane

Methyl chloride is combined with silicon powder. In actuality, this is done in a device called a fluidized bed reactor. Essentially, this is a huge tank with pipes leading to and from it. The methyl chloride is fed through the silicon powder inside the reactor at a fast speed, under mild pressure, and at a temperature of around 300 degrees Celsius. As a result, the chemical molecule methyl chlorosilane, which has atoms of both silicon and chlorine, is produced.

Step 3: Separating Chlorosilanes

Each of the many chemicals found in methyl chlorosilane can be utilized to create a different kind of silicone. Due to the fact that each of them has a unique boiling point, it is possible to separate them by distillation by using a variety of specific temperatures depending on which one has to be extracted.

Step 4: Making Silicone: Polymerization

Processes like condensation and hydrolysis have distinct effects on various chlorosilanes.
A siloxane bond may be seen in polydimethylsiloxane. The foundation of the silicone is this connection.

Although the silicone production process may appear complicated, it is actually rather simple and can be done on a large scale for a relatively low price. Thus, it should come as no surprise that adaptable silicone has become one of the most well-liked elastomers for usage in Industries and Applications.

What Difference Between Rubber And Silicone Rubber?

Although silicone and rubber are both elastomers and share some qualities, they also have a number of unique traits.

Rubber and silicone rubber have different atomic structures. These variations are visible in how each material responds to varied surroundings.

Natural rubber can resist being heated up to a temperature of around 80°C before melting and degrading. While silicone can endure temperatures of up to 230°C. Because of this, silicone is superior to rubber in terms of flame resistance, making it the ideal material for high-temperature applications.

Additionally, silicone outperforms rubber in terms of chemical, UV, and weather resistance. When used outside, rubber will break down very rapidly in contrast to silicone rubber, which can survive the weather much better.

Why Is Silicone Better than Other Plastics?

The main reason why silicon, a polymer like other plastics, is superior than other plastics is that it is:

  • longer-lasting and more durable than many other materials. Consequently, using silicon-based goods rather than plastic ones can help you prolong the life of kitchenware and other objects.
  • Since silicone is waterproof, it may be utilized to make airtight and watertight seals that prolong the freshness of food. Silicone seals can keep moisture out or assist it stay in.
  • Silicone is BPA-free, and our items made of food-grade silicone are also devoid of other toxins included in petroleum-based plastics.

Is silicone natural or manmade?

While silicone is a manufactured product, silicon is a natural chemical element. Although the terms are frequently used interchangeably, there are significant distinctions. Silicon is a natural substance, whereas silicone is a synthetic polymer created from silicon. Additionally, there are variations in how silicon and silicone are applied.

Where do the raw materials for silicone come from?

Silica stone (SiO2) of natural origin, water, and methanol made from natural gas are the major sources of silicone. Silicone is created from these ingredients through intricate chemical processes.

Is Silicone Easy To Manufacture?

It is simple to construct, and we may alter it to fit certain applications and industry-specific standards needs. Despite being transparent by nature, silicone may be produced in a variety of colors. We may alter the coefficient of friction as necessary and produce materials that have different hardnesses or softnesses.


About Frank

With a background as an injection molding engineer at Kaysun, Frank brings unique depth and insight to his role as Business Development Engineer. His ability to synthesize information and pair need with opportunity is a benefit to prospects and customers alike.

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