Materials Used for High-Temperature Resistant Labels

Sticker labels play a crucial role in various industries, providing important information, identification, and branding. However, in certain applications where high temperatures are involved, standard labels may not suffice. High-temperature resistant labels are specifically designed to withstand extreme heat without compromising their functionality or appearance. In this article, we will explore the materials commonly used in the production of high-temperature resistant labels.

Silicone-based Materials

Silicone-based materials are widely used in the manufacturing of high-temperature resistant labels due to their exceptional thermal stability and resistance to heat. These labels are composed of a silicone facestock, which is the outer layer of the label, and a silicone adhesive, which is responsible for adhering the label to various surfaces.

The silicone facestock is highly resistant to heat, withstanding temperatures as high as 500°C (932°F) without warping or deteriorating. It also possesses excellent chemical resistance, making it suitable for use in harsh environments. Additionally, silicone-based materials exhibit low surface energy, allowing them to repel liquids and prevent smudging even at elevated temperatures.

The silicone adhesive used in high-temperature resistant labels is formulated to maintain its adhesive properties at extreme temperatures. This adhesive can withstand temperatures up to 300°C (572°F) without losing its ability to adhere to surfaces securely. It also offers excellent UV resistance and long-term durability.

Thermoplastic Materials

Thermoplastic materials, such as polyimide and polyethylene naphthalate (PEN), are also commonly used for high-temperature resistant labels. These materials exhibit excellent thermal stability and can withstand temperatures up to 300°C (572°F).

Polyimide labels are known for their exceptional resistance to high temperatures, chemicals, and abrasion. They are commonly used in applications such as circuit board labeling and aerospace industries, where extreme heat and harsh conditions are present. Polyimide labels offer excellent printability and are compatible with various printing methods, including thermal transfer and laser printing.

Polyethylene naphthalate (PEN) labels, on the other hand, provide high-temperature resistance along with good dimensional stability. They are often used in applications such as automotive labeling, where exposure to heat and chemicals is prevalent. PEN labels offer excellent resistance to solvents, oils, and fuels, making them suitable for demanding environments.

Metal Foils

In some cases, metal foils, such as aluminum or stainless steel, are utilized to create high-temperature resistant labels. These labels are particularly suitable for applications that require extreme resistance to heat, chemicals, and physical stress.

Aluminum foil labels are lightweight, flexible, and offer excellent resistance to high temperatures, making them ideal for applications in the automotive, aerospace, and electrical industries. They can withstand temperatures up to 600°C (1112°F) without losing their integrity.

Stainless steel foil labels provide exceptional resistance to heat, chemicals, and abrasion. They are commonly used in applications where durability and longevity are paramount, such as in the oil and gas industry. Stainless steel labels can withstand temperatures up to 1000°C (1832°F) and offer excellent resistance to harsh chemicals and UV exposure.

Conclusion

High-temperature resistant labels are essential for industries where extreme heat is present. Silicone-based materials, thermoplastic materials, and metal foils are commonly used in the production of these labels, offering exceptional resistance to heat, chemicals, and physical stress. By utilizing these materials, manufacturers can ensure that their labels maintain their functionality and appearance even in the most demanding environments.