Our flame-retardant silicone solutions, available in both solid and liquid forms, provide exceptional fire resistance and superior physical properties. The flame retardancy is achieved through a combination of flame retardant additives and our unique compounding processes.
The solid flame-retardant silicone offers excellent physical properties such as tensile strength, elongation, tear resistance, and compression set resistance, while the liquid platinum-curing silicone maintains high performance with additional benefits like flexibility and ease of molding. Both forms are ideal for applications across automotive, electrical, industrial, and medical industries.
At Newsil, a sophisticated silicone rubber manufacturer, we are confident that our flame-retardant solid and liquid silicones can meet your needs and exceed your expectations. We invite you to explore our product offerings and contact us with any questions.


Is Silicone Flame-Resistant?
Silicone is a versatile material used in a wide range of everyday products, from kitchen utensils to medical equipment. One key characteristic of silicone is its flame resistance, which makes it an ideal choice for applications that require heat or fire protection. To understand whether silicone is flame-resistant, it’s important to examine its properties and how it reacts when exposed to flames.
Silicone is a synthetic rubber composed of silicone polymers and organic compounds. It is well-known for its resistance to water, oil, and stains, making it a popular material for a variety of uses. What sets silicone apart is its ability to withstand high temperatures without breaking down, thanks to its unique chemical structure and high melting point. This heat resistance makes silicone suitable for applications like electrical insulation and cooking tools.
In addition to its heat resistance, silicone also possesses flame-resistant qualities. When exposed to fire, silicone does not combust, burn, or melt. Instead, it forms a protective layer on its surface that prevents flames from reaching the material beneath. This layer acts as a barrier, significantly reducing the risk of fire spreading. As a result, silicone is commonly used in fire safety applications.
Beyond its flame resistance, silicone is known for its durability. It is highly resistant to wear and tear and does not degrade over time, ensuring a long lifespan. This makes silicone an excellent choice for long-term applications in various industries.
Overall, silicone is an excellent material with remarkable flame-resistant properties, making it ideal for applications such as medical devices, cooking tools, and fire safety equipment.
The Difference Between Flame-Retardant and Non-Flame-Retardant Solid Silicone Rubber
Flame-retardant and non-flame-retardant solid silicone rubbers are two types of materials used in different industries, each with unique characteristics suited to specific applications.
Flame-Retardant Solid Silicone Rubber is specifically designed to prevent or slow the spread of fire. It is often used in environments where fire or high heat is a concern, such as in the automotive, aerospace, and construction industries. This type of silicone rubber is made by incorporating flame-retardant additives such as halogen compounds, intumescent chemicals, or other substances that create a barrier to prevent flames from spreading. These additives enhance the rubber’s resistance to burning and high temperatures.
On the other hand, Non-Flame-Retardant Solid Silicone Rubber does not contain any flame-retardant additives and is used in applications where fire resistance is not a priority. This type of silicone rubber is more commonly found in industries such as medical devices, food processing, and general consumer products.
The key difference between the two types lies in their composition. Flame-retardant silicone rubber includes additional ingredients to improve fire resistance, which makes it more expensive than non-flame-retardant rubber. The cost of the flame-retardant additives contributes to the higher price.
In terms of performance, flame-retardant silicone rubber offers superior protection against fire and high temperatures, preventing or slowing down the spread of flames. Non-flame-retardant silicone, however, provides no such fire resistance and is mainly used where fire risk is minimal.
To summarize, flame-retardant and non-flame-retardant solid silicone rubbers serve different purposes. Flame-retardant silicone rubber is more expensive due to its added fire protection properties, while non-flame-retardant silicone is more affordable but lacks the ability to resist flames. Depending on the application, choosing the right type of silicone rubber can significantly impact safety and performance.
Applications and Properties of Liquid Flame-Retardant Silicone
Properties:
Liquid flame-retardant silicone is a high-performance synthetic rubber material made from silicone polymers combined with flame-retardant additives. It offers excellent flame resistance and is highly suitable for molding applications requiring flexibility and high-temperature resistance. The unique chemical structure and the addition of flame-retardant compounds enable liquid silicone to effectively prevent the spread of fire when exposed to heat or flames. Unlike many materials that burn or melt, liquid flame-retardant silicone forms a protective layer over its surface, isolating the heat and preventing further damage.
Other important properties of liquid flame-retardant silicone include:
- High-Temperature Resistance: It can maintain stability at elevated temperatures, making it ideal for use in high-heat environments.
- Weather Resistance: Excellent resistance to oxidation and ultraviolet rays, ensuring durability even in harsh outdoor conditions.
- Chemical Resistance: It exhibits good resistance to various chemicals, including oils, solvents, and acids, making it suitable for a wide range of industrial uses.
- Non-toxic and Safe: Free from harmful gas emissions, making it compliant with food-grade and medical-grade safety standards.
Applications:
Due to its outstanding properties, liquid flame-retardant silicone is widely used across several industries, particularly in applications where both flame resistance and other specialized characteristics are needed. Its main applications include:
- Electronics and Electrical Industry: Liquid flame-retardant silicone is used as an insulating material for wires and cables, sealing components in electrical devices, and protecting high-temperature equipment. Its flame-resistant and heat-resistant properties make it an essential material for electrical safety.
- Automotive Industry: This silicone is used in automotive parts for sealing and thermal protection, especially in engine compartments and other high-temperature areas, where its flame resistance ensures safety in the event of a fire.
- Construction and Fire Safety: Liquid flame-retardant silicone is applied as a fireproof coating for construction materials, improving the fire safety of buildings. It is also used in sealing materials for fire safety equipment, enhancing their performance under fire conditions.
- Medical Industry: Liquid flame-retardant silicone is used in medical devices and instruments for sealing and protection, ensuring the safety of equipment in high-temperature environments or during fire-related emergencies.
- Aerospace and Defense: Liquid flame-retardant silicone is commonly used in aerospace and military applications for high-temperature sealing and fire protection, providing safety in extreme conditions.
In summary, liquid flame-retardant silicone, with its superior flame resistance, high-temperature durability, and chemical resistance, has found extensive use across industries that require high safety standards, particularly in applications where fire protection is critical.