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silica gel heating film is heated at low temperature

Introduction to Silicone Heating Film: It is composed of two layers of high-temperature resistant partially cured silicone rubber sheets that are hot-pressed and vulcanized with a resistance heating core. The silicone sheets are made of a layer of fiberglass cloth with silicone layers laminated on both sides through calendering. It has the advantages of good insulation, high temperature resistance, uniform heating, long service life, oil resistance, and resistance to acids and alkalis.

  • Structure: Semi-cooked silicone material, resistive heating core, semi-cooked silicone material, double-sided tape
  • Performance Introduction: Thermal conductivity: 0.6-1.0 W/m.K, Flame retardant performance: meets UL 94 V-0 and GB/T 2408-2008 V-0
  • Temperature resistance: -40°C to 150°C, can withstand up to 180°C for a short period within 2 hours
  • Function: Can be attached to the side or bottom of the battery pack, and heats the battery cells through conduction.
  • Thickness range: thinnest 1.2±0.2mm
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Composition of silicone heating film

Silicone heating films have excellent insulation and high-temperature resistance, effectively preventing electrical leakage and fire-related safety accidents. At the same time, silicone heating films have a long service life and high reliability, providing users with long-term and stable heating service.

Heating materials: Silicone material: Generally made of silicone rubber, which has good insulating properties, high-temperature resistance, and flexibility. It can withstand high temperatures without deforming or aging, while effectively preventing electric leakage and short circuits;

Insulation Layer and Protective Layer:Located between the heating material and the silicone substrate, as well as on the surface of the heating film, it serves the functions of insulation and protection. Common insulation materials include polyimide and polyester film, which have excellent insulating properties, high-temperature resistance, and chemical corrosion resistance.

Protective Layer: To further enhance the durability and safety of the heating film, a protective layer is usually applied to the surface of the heating film. The protective layer can be made of materials that are resistant to high temperatures, wear, and corrosion, such as silicone or fiberglass.

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Automotive field

Automotive field

In battery packs and charging facilities, PI heating films are used to heat batteries, improving battery performance and charging efficiency, especially in low-temperature environments. They can effectively address the issue of reduced battery range, such as in northern regions during winter, where PI heating films are commonly used in the battery heating systems of new energy vehicles.
Healthcare field

Healthcare field

In devices such as hemodialysis machines and infusion pumps, PI heating films can be used to heat liquids or maintain a specific internal temperature of the equipment, ensuring the normal operation of medical devices and the effectiveness of treatments. For example, during the hemodialysis process, it is necessary to keep the temperature of the dialysis fluid stable, and PI heating films can provide effective heating.
Aerospace field

Aerospace field

On aircraft, satellites, and other flying vehicles, PI heating films can be used to heat critical components, such as wings and engine inlets, to prevent issues like icing and performance degradation in low-temperature, high-altitude environments. For example, in high-altitude, low-temperature flight conditions, PI heating films can provide reliable heating protection for the crucial parts of the aircraft.
Industrial sector

Industrial sector

In some industrial production equipment, such as injection molding machines and extruders, PI heating films can be used to heat barrels, molds, and other components, ensuring the smooth processing and molding of materials. For example, in the plastics processing industry, PI heating films can precisely control the heating temperature, ensuring the quality of plastic melting and molding performance.
Consumer electronics sector

Consumer electronics sector

In cold environments, PI heating films can be used to keep mobile phone batteries warm, preventing performance decline and rapid power drain due to low temperatures. For example, during winter in northern China or in high-altitude cold regions, it can improve the battery life of mobile phones. It can also defog the phone’s camera to ensure clear recording and shooting.
Home life sector

Home life sector

As a new type of underfloor heating material, PI heating film has the advantages of uniform heating, rapid temperature rise, and energy efficiency and environmental friendliness. Compared with traditional water-based underfloor heating, it is easier to install, space-saving, and can achieve intelligent temperature control. For example, in some small apartments or places with installation space requirements, PI heating film underfloor heating is a very good choice.

Advantages of silicone heating film:

Silicone heating is widely used in various fields such as the automotive industry, heat transfer media, laboratory equipment, the power industry, military aerospace, and healthcare due to its unique properties, including excellent physical strength, flexibility, weather resistance, aging resistance, and good chemical corrosion resistance.

  • Even Heating: Silicone heating films can achieve surface heating, providing uniform heat distribution and preventing issues of localized overheating or insufficient heating.
  • Weather resistance and aging resistance: Silicone heating films have good weather resistance and aging resistance, allowing them to be used for a long time in harsh environmental conditions without easily aging or cracking;
  • Safety: Silicone heating films typically have overheat protection. When the temperature exceeds the set value, the heating film will automatically cut off the power to prevent safety accidents caused by overheating.
  • Easy to install and maintain: The installation process of silicone heating films is simple, and some products even come with adhesive backing for convenient and quick installation. Maintenance is also relatively easy, with cleaning and inspection being straightforward.
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