
Ceramic Band Heater
Your Leading Ceramic Band Heater Supplier
Ceramic Band Heater
We are committed to provide system solutions for plastic industry and offers high-end products like Shut off Nozzles, Plasticizing Screw Barrel, Tip Assembly and Tie Bar. After years of technical precipitation, Rootier is currently the only Chinese-based supplier providing full series injection nozzle solutions like shut off nozzle, mixing nozzle and filter nozzles. We have lot ready stock screw barrel for some commonly used IMM like Nissei, Sumitomo, Fanuc, Victor machines, Introducing our Ceramic Band Heater, the perfect solution for all your heating needs. Our Ceramic Band Heater is designed to deliver efficient and consistent heating to all kinds of surfaces. It features a high-quality ceramic-insulated band that provides reliable insulation and helps prevent heat loss, ensuring long-lasting performance and energy efficiency.
Our Ceramic Band Heater is perfect for use in a variety of applications, ranging from plastic injection molding and extrusion processes to food processing and packaging. Its unique design makes it highly effective in heating large surfaces uniformly, giving you even heat distribution and maximum productivity.
Why Choose Us?
High quality
We have 100% quality guarantee to customers. We will be responsible for any quality problem.
Competitive price
Our products are complete in variety, good in quality, reasonable in price.
After-sale service
Good after-sale service, handling the customer complaint and solve problem for customers.
Fast delivery
Huge production capacity to ensure in time delivery and transport to the destination in the first time.
Plastic machinery band heaters aiming to melt or keep polymer temperature and guarantee proper running of plastic processing, it can be used on injection, extrusion, blowing, recycling machines all.
Plastic machinery band heaters aiming to melt or keep polymer temperature and guarantee proper running of plastic processing, it can be used on injection, extrusion, blowing, recycling machines all.
Plastic machinery band heaters aiming to melt or keep polymer temperature and guarantee proper running of plastic processing, it can be used on injection, extrusion, blowing, recycling machines all.
Plastic machinery band heaters aiming to melt or keep polymer temperature and guarantee proper running of plastic processing, it can be used on injection, extrusion, blowing, recycling machines all.
Plastic Processing Temperature Sensor
Thermocouple is composed of a pair of conductors which use different materials and be connected at one end. And as part of the circuit of temperature which are measured by thermoelectric effect.
Plastic machinery band heaters aiming to melt or keep polymer temperature and guarantee proper running of plastic processing, it can be used on injection, extrusion, blowing, recycling machines all.

Ceramic band heaters transmit heat through both conduction and radiation. The element winding is designed to run at maximum temperature and heat the ceramic blocks to the point at which they radiate energy into the barrel as well as conduct energy by being in contact with the barrel.
Benefits of Ceramic Band Heater
Lower Operating Cost: Because of superior insulation, less heat escapes to the air&less wattage is required to maintain barrel temperature. Also, the heater is safer since its exterior is colder.
Longer Heater Life: All materials used are certified to operate at extremely high temperatures.
High operating temperature, rapid heating, high heat efficiency, friendly environment, even&accurate heating, can set up an automatic control system.
Since they run at higher watt densities, they can be used in wider increments
It saves energy&heat, extremely versatile, provides uniform heat distribution, and available in various termination styles.
The number of bands used can be reduced with simpler wiring.
Easy installation&removal, low application cost, even though the internal hot content is destroyed, external ceramic components can be recycled.
Application of Ceramic Band Heater
Plastic processing
Ceramic band heaters are used in the plastic processing industry to heat and mold plastic materials. These heaters are designed to provide precise temperature control, which is critical in ensuring the quality of the finished product.
Food processing
Ceramic band heaters are used in the food processing industry to heat and maintain the temperature of food materials. These heaters are designed to provide uniform heat distribution, which is critical in ensuring that the food is cooked or heated evenly.
Packaging
Ceramic band heaters are used in the packaging industry to heat and seal packaging materials. These heaters are designed to provide fast and efficient heating, which is critical in ensuring that the packaging is sealed properly.
Pharmaceutical
Ceramic band heaters are used in the pharmaceutical industry to heat and maintain the temperature of pharmaceutical materials. These heaters are designed to provide precise temperature control, which is critical in ensuring.
Stainless steel sheath
Resists rust and high temperatures, and provides firm mechanical support. Easily wraps around barrel due to fluted construction.
Thermal insulation
1/4 Inch of ceramic fiber prevents heat loss, thereby lowering energy costs.
Ceramic coil supports
Designed for their dielectric and thermoconductive characteristics, the interlocking feature provides flexibility so band wraps easily around barrel.
Nickel-chrome heating coil
Precision wound, helical construction gives extended service. A heavier weight than found in mica or other conventional heaters.

Design and material selection: The first step is to design the ceramic band heater according to the specific requirements of the application. This includes determining the dimensions, power rating, voltage, and any specialized features. The materials for the heating element and the ceramic insulating material are selected based on factors like temperature requirements, chemical resistance, and durability.
Heating element fabrication: The heating element is typically made from a high-resistance alloy wire, such as nichrome or kanthal. The wire is wound into a coil to achieve the desired power output and distribution. The coil is carefully wound to ensure consistent heat distribution across the entire circumference of the band heater.
Ceramic insulation preparation: Ceramic insulation materials are selected for their ability to withstand high temperatures and provide electrical insulation. The ceramic insulation is usually in the form of a ceramic fiber blanket or a ceramic-based paste.
Molding or wrapping: The heating element coil is placed on the ceramic insulation material. In some cases, the insulation material is in the form of a flexible blanket that is wrapped around the heating element coil. Alternatively, a ceramic paste or slurry may be used to encapsulate the heating element.
Forming and shaping: The combination of heating element and ceramic insulation is shaped into a cylindrical form that matches the dimensions of the object to be heated. This can be done manually or using specialized tools and equipment.
Curing and drying: If a ceramic paste or slurry is used for insulation, the assembly is allowed to dry and cure. This helps solidify the ceramic material and ensures it adheres to the heating element.
Encasing and protection: In some cases, a protective metal casing might be added around the ceramic-insulated band heater. This casing provides additional mechanical protection and allows for easy installation and removal.
Wiring and terminal installation: Electrical connections and terminals are attached to the ends of the heating element coil. These connections provide the means to supply power to the heater.
How to Maintain Ceramic Band Heater
Tips for prolonging the life of your heater
Regular maintenance and inspections play a vital role in extending the lifespan of your ceramic band heater. Emphasize the importance of cleaning the heater, replacing worn-out parts promptly, and avoiding excessive temperature fluctuations. Encourage users to adhere to manufacturer guidelines and seek professional help when necessary.
Importance of regular maintenance and inspections
Regular maintenance and inspections can identify potential issues early on, preventing costly breakdowns or accidents. Stress the significance of periodic inspections by qualified professionals to ensure the heater's continued performance and safety.
Mechanism of Ceramic Band Heater
These band heaters deliver heat via both conduction and radiation. Because ceramic heaters are ring-shaped, they can be easily wrapped around any cylindrical element, such as a barrel, pipe, or tube. The heat is generated by the inner coils, which heat the tiles to a high temperature before radiating it to the barrel. The band heaters' form allows them to be easily wrapped around an object to heat it from the outside, though one option can be placed to warm it from the inside.
Furthermore, the ceramic band heater is intended to be attached to the container's or object's exterior diameter. Clamping choices include standard bent-up flanges, built-in straps, separate straps, quick release, wedge lock, mounts, and barrel nuts. There are also different sorts of terminations for connecting electrical connections to the heater.
Electrical Terminations
Ceramic band heaters come in a vast array of electrical terminations. Some of the most requested options include:
Abrasion-resistant
These have a stainless steel braid to protect the leads from breakage.
Lead wire spring strain relief
This type of termination provides strain relief between the lead and connection point to ensure a dependable connection.
Screw terminal
The most common termination type with either a terminal centered across from the gap or two terminals centered in each half of a two-piece band.
Straight lead wires
The lead wire terminates at the band in a straight line instead of a right angle with the lead perpendicular to the band.
Common Challenges and Solutions with Ceramic Band Heater
Insulation and heat loss
Challenge: One common challenge with ceramic band heaters is insulation and heat loss. Inadequate insulation can lead to heat dissipation, resulting in inefficient heating and energy waste. This can also lead to a longer heat-up time and lower overall performance.
Solution: To address insulation and heat loss issues, it is important to ensure that the ceramic band heater is properly insulated. Check for any gaps or damaged insulation and repair or replace it as needed. Additionally, using high-quality insulation materials and properly securing the band heater to the equipment can minimize heat loss and improve overall efficiency.
Uniform heat distribution
Challenge: Uneven heat distribution across the surface of the ceramic band heater can lead to temperature variations and impact the quality and consistency of the heating process. This can result in product defects, improper curing, or incomplete melting.
Solution: To achieve uniform heat distribution, it is crucial to select the right size and configuration of the ceramic band heater for the specific application. Ensure that the band heater is properly fitted and secured to the equipment to maintain good thermal contact. Additionally, regularly inspect the heater for any damage or wear that could impact heat distribution and replace it if necessary.
Contamination and build-up
Challenge: These band heaters are susceptible to contamination and build-up, especially in applications where they come into contact with molten materials, adhesives, or corrosive substances. Contamination can reduce the heater's efficiency, lead to uneven heating, and cause premature failure.
Solution: Implement a regular cleaning and maintenance routine to prevent contamination and build-up. Use appropriate cleaning agents or solvents to remove any residue or deposits on the surface of the heater. Regularly inspect the band heater for any signs of corrosion or damage caused by contaminants and take prompt action to rectify the issue.
Temperature control and overheating
Challenge: Maintaining precise temperature control is essential for optimal performance and product quality. Inaccurate temperature control or overheating can lead to overheated zones, thermal stress, or even damage to the equipment or the product being processed.
Solution: Utilize temperature controllers and thermocouples to ensure accurate and consistent temperature monitoring. Regularly calibrate and validate temperature control systems to maintain accuracy. If overheating is a concern, consider implementing additional safety features such as thermal fuses or temperature limiters to prevent overheating and protect the band heater and equipment.
Mechanical wear and tear
Challenge: Ceramic band heaters are exposed to mechanical stress and wear during operation. This can result in physical damage, such as cracks, broken terminals, or loosened connections, which can affect the heater's performance and lead to downtime.
Solution: Perform regular visual inspections to identify any signs of wear and tear. Replace damaged or worn-out components promptly to prevent further damage and maintain optimal performance. Properly secure the band heater to the equipment and ensure that electrical connections are tight and secure.
Electrical failures
Challenge: Ceramic heaters rely on electrical connections to function properly. However, electrical failures can occur due to various factors such as loose connections, damaged wiring, or electrical surges. These failures can lead to heating inconsistencies, power fluctuations, or complete heater malfunctions.
Solution: Regularly inspect the electrical connections and wiring of the ceramic band heater to ensure they are secure and intact. Tighten any loose connections and replace damaged wiring promptly. Consider implementing surge protectors or voltage regulators to protect the band heater from electrical surges. Additionally, it is important to follow electrical safety guidelines and ensure that the heater is installed and operated within the recommended electrical specifications.
Environmental factors
Challenge: Band heaters that are ceramic can be exposed to harsh environmental conditions depending on the application and industry. Factors such as high humidity, corrosive atmospheres, extreme temperatures, or vibrations can impact the performance and lifespan of the heater.
Solution: Evaluate the environmental conditions in which the ceramic band heater operates and select a heater that is specifically designed to withstand those conditions. Consider options such as moisture-resistant or corrosion-resistant heaters for humid or corrosive environments. Implement proper insulation or protective covers to shield the heater from extreme temperatures or vibrations. Regularly inspect the band heater for any signs of environmental damage and take appropriate actions to mitigate the effects.
Our Factory
We have two factories with about 9000 square meters construction area located in Zhoushan. Our engineers are experienced in all kinds of plastic processing design and application. Our production capacities can reach 1500 screw barrel sets monthly that enable us to deliver products to our customers in a short time.


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