High-temperature adhesive tape

A high temperature adhesive tape is designed to maintain its adhesion, protection, and mechanical resistance properties when exposed to heat. Depending on its composition, it can be used for masking, electrical insulation, technical savings, component protection, or applications requiring a non-stick surface.

The choice depends on the maximum temperature of the process, the duration of exposure, the number of heating cycles, and the application surface. It is also important to consider the level of adhesion, mechanical resistance, flexibility of the tape, and removal conditions. Chemical, electrical, or friction constraints can also influence the choice.

No. A point resistance to a high temperature does not necessarily guarantee prolonged use under the same conditions. It is important to distinguish between the maximum short-term temperature and the temperature supported continuously. The duration of exposure, thermal cycles, and actual process conditions must always be compared to the technical characteristics of the tape.

Polyester is suitable for many masking, saving and insulation operations. Polyimide is suitable for applications requiring high thermal resistance and good dimensional stability. Glass fabric offers high mechanical strength, while PTFE is particularly used for its non-stick properties, low friction coefficient and chemical resistance.

Silicone adhesives are commonly used for high temperatures, as they maintain their adhesion under demanding thermal conditions and generally allow for clean removal. Some acrylic adhesives may also be suitable for significant temperatures. The choice depends on the substrate, duration of exposure, and the level of adhesion required.

Some tapes are designed to ensure clean removal after heating, painting or surface treatment operations. However, the result depends on the temperature, duration of application, nature of the substrate, and adherence to usage conditions. Exceeding the recommended temperature or time may promote adhesive transfer or make removal more difficult.

It is advisable to specify the maximum temperature, duration of exposure, number of cycles, the surface concerned, and the desired function. DERFI can study the application and conduct tests to guide the user towards a polyester, polyimide, PTFE, glass fabric tape or a suitable high-temperature masking solution for the process.