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Flexible Heaters - Silicon Rubber Heaters
Introducción
Flexible silicone rubber heaters are a game changer in thermal management technology; they provide engineers with flexibility in heating applications where conventional heaters can’t withstand the working conditions. Designed through complex molding processes, flexible heaters place etched-foil or wire wound material between several layers of high-temperature silicone rubber elastomer, creating heating solutions that fit uneven surfaces and provide even heat across complex geometries.
Flexible silicone heaters operate effectively in temperatures ranging from -60°C to +200°C (with continuous duty up to 230°C for special grades) and are ideal for thermal control with requirements for accuracy, environmental resistance, and design flexibility. Their moisture-sealed construction provides dielectric strength above 1500V and enables inherent chemical resistance and is relied upon across a range of industries from manufacturing medical devices to protecting aerospace components. Whether you are preventing freeze damage in fluid circuits, maintaining viscosity in a pass of industrial processing, or providing stable temperature profiles to analytical instrumentation, Tempsens flexible heaters are able to provide energy-saving solutions where conventional rigid heaters cannot.
About Flexible Heaters - Silicon Rubber Heaters
About Flexible Silicone Rubber Heaters
Tempsens make flexible silicone rubber heaters utilize the distinct properties of silicone elastomers—thermal stability, chemical inertness, and mechanical pliability—to develop heating elements that are capable of adapting to difficult installation conditions. The heating element is made from precision-etched designs of resistance wire sandwiched between two calendars of silicone rubber and vulcanization bonding, creating a hermetically sealed unit that is not only resistant to moisture but offers operating flexibility from subzero conditions to high temperature operation.
Applications of Flexible Silicone Rubber Heater
Automotor: Battery temperature regulation in electric vehicles to uphold lithium-ion cell optimum operation temperatures; frozen protection of diesel exhaust fluid (DEF) in SCR Systems; and the heating of hydraulic reservoirs for cold-start performance.
Médico: Diagnostics equipment temperature stabilization for precision in analytical instruments; patient warming systems for surgical applications; and heating of fluid line to prevent crystallization for IV therapy.
Electrónica: Thermal conditioning of optical components to prevent condensation; battery conditioning for lithium-ion battery cells in portable electronic devices; and heating the beds of 3-D printers for adhesion and to prevent warping in additive manufacturing.
Specifications of Flexible Silicone Rubber Heater
| Parámetro | Especificación |
| Rango de temperatura de funcionamiento | -60°C to +200°C continuous |
| Densidad máxima de vatios | 0.4 to 1.55 W/cm² (standard) |
| Dielectric Strength | >1500V AC (standard), >2500V AC (reinforced) |
| Resistencia de aislamiento | >100 MΩ at 500V DC |
| Espesor | 1- 1.5mm ± 0.3mm (standard) |
| Minimum Bend Radius | 8mm (standard silicone) |
| Elemento calefactor | Etched-foil and Ni-Cr wire |
| Voltage Options | 5V – 60V DC; 110V- 230V AC and 3 phase supply |
| Temperature Resistance | Silicone: -60°C to +230°C |
| Sensores de temperatura | Optional integrated RTD (Pt100/Pt1000)/ thermostat or Thermocouples |
| Lead Wire | Silicone/ Teflon insulated |
| Adhesive Options | PSA (Pressure Sensitive Adhesive) backing/ RTV/ Factory vulcanization/ hook and loop/ spring and grommets/ etc |
| Reinforcement | Optional fiberglass fabric |
| IP Rating | IP65 to IP68 (with proper installation) |
| Thermal Response | <3 minutes to setpoint (typical) |
| Chemical Resistance | Excellent against oils, solvents, water |
Advantages of Flexible Silicone Rubber Heaters
- Ability to Conform to Unique Shapes: These heaters can shape onto curved, cylindrical or irregular surfaces – ideal for tanks, pipes and other elements where rigid heaters will create air gaps that disrupt efficient transfer of heat.
- Distribución uniforme del calor: The heaters provide uniform watt density in the heated area, erasing thermal gradients that can impact process quality in applications with precision requirements.
- Moisture and Environment Protection: Vulcanized silicone encapsulation provides sealing from moisture, humidity, and chemical intrusion which is essential in outdoor installations and washdown apps.
- Mechanical Durability: The heater is tolerant to vibration, mechanical shock and thermal cycling applications.
- Rapid Thermal Response: Low thermal mass offers faster heat-up and timing cycle times; energy savings potential could occur in thermal cycling applications.
Why Choose Tempsens?
- Three Decades of Manufacturing Excellence: Since 1990, Tempsens has led the way with innovative flexible silicone heaters in sectors such as steel, petrochemical, aerospace, and medical markets – Reliable, application proven provider of silicone rubber heaters.
- ISO/IEC 17025:2017 Accredited Calibration: Our in-house laboratories ensure our temperatures have traceability to international temperature standards, and accuracy of measurements for mission-critical applications.
- Global Manufacturing Presence: With facilities in India, Indonesia, UAE, and South Korea, Tempsens can offer an accelerated first response to your questions, while keeping your supply chain local to you for multinational corporations.
- Integrated Quality Systems: Each heater is subjected to a 100% electrical testing (dielectric strength, insulation resistance, power output verification) and visual inspection before shipment in an effort to ensure total zero defect.
- Custom Engineering Capability: From etched-foil circuit design to silicone compound formulation, our R&D teams collaborate with your engineers to develop a silicone heating pad optimized for specific requirements.
PREGUNTAS FRECUENTES
Preguntas frecuentes
Find answers to frequently asked questions related to Flexible Heaters - Silicon Rubber Heaters.
High-temperature silicone elastomers are continuously effective mechanically and electrically from -60°C to +200°C, whilst some special-grade silicone is certified suitable for intermittent exposures to +260°C and longer service life for automotive, food, and medical applications.
Yes—fine tolerance die cutting and CNC machining allows for practically any 2D geometric shape including multi-contour, internal cuts, notches, and irregular shaped, with consistent tolerances to ±0.5 mm for precise fitting that does not require modifications in the field.
The vulcanized silicone construction provides natural and inherent resistance to moisture (IP67/IP68 rating), oil, weak acids/bases, ozone, UV and extremes of temperature to make these heaters suitable for outdoor enclosures, washdown, and hazardous chemical processing environments for a verified rated service life of >10,000 hours.
