In the magical world of silicone rubber, there live two superheroes - flame-retardant silicone rubber and fire-resistant silicone rubber. They all have odorless and non-toxic superpowers, not afraid of the scorching heat of summer or the piercing cold of winter. Even in the scorching heat of 300 ℃ and the extreme cold of -90 ℃, they still maintain a strong physique (strength and elasticity), and are the guardians of electronic appliances, wires and cables, aerospace, medicine and health, and other fields.

However, these two heroes also have their own weaknesses. Although the silicone rubber family inherently possesses superpowers such as electrical insulation, oxygen and light aging resistance, mold resistance, and chemical stability, their strength is slightly insufficient, and once exposed to an open flame, they will reveal their true form and become part of a raging fire. Especially in today's increasingly important electronic device heat dissipation and absorption issues, the fire safety of silicone rubber has also become a focus of attention.

So, flame-retardant silicone rubber and fire-resistant silicone rubber emerged, becoming the pride of the silicone rubber family. Although they all have flame retardant superpowers, their methods of application are completely different. After being burned in a raging fire, flame-retardant silicone rubber leaves behind a pile of ash, as if it has turned into light smoke and drifted away with the wind. And fire-resistant silicone rubber is even more tenacious. Under the baptism of flames, it will condense into a hard ceramic like shell, like wearing a thick layer of armor. Even in the face of high temperature flames of 650-1300 ℃, it will never melt or drip, firmly guarding everything it carries.

So, how did these two heroes acquire these superpowers? The secret weapon of flame-retardant silicone rubber lies in flame retardants. These magical flame retardants are like small firefighters lurking in silicone rubber. Once they encounter a fire source, they will quickly take action, interrupt the chain reaction of combustion, and nip the flames in the bud. And fireproof silicone rubber relies on ceramic fillers to exert its superpowers. These fillers undergo magical chemical reactions at high temperatures, forming a hard ceramic layer that firmly blocks flames from the outside.

In recent years, the emerging trend of ceramicized silicone rubber has attracted widespread attention. It can quickly form a layer of refractory ceramic charcoal under a high temperature flame of 1100 ℃, just like putting a fireproof cloak on silicone rubber, making the flame nowhere to escape, unable to penetrate and spread.

Flame retardant silicone rubber and fire-resistant silicone rubber, although both are the pride of the silicone rubber family, have different superpowers. Flame retardant silicone rubber is good at interrupting the chain reaction of combustion, while fire-resistant silicone rubber is better at forming a hard ceramic layer to resist the invasion of flames. In the event of a fire, they are able to step forward and safeguard the safety of silicone rubber products, winning valuable time for personnel evacuation.

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