With 20 years experience, Hongtai Alloy is your trusted source for quality 220v industrial ceramic band heater for plastic extruder as one of the leading suppliers of various heaters in China. Providing you with the most competitive price, we welcome you to buy the heater from our factory.
Product Overview
This industrial ceramic band heater is built specifically for barrel heating on plastic extruders, injection molding machines, and blow molding equipment. It uses high-temperature interlocking ceramic knuckles to house high-purity NiCr resistance wire, wrapped in a stainless steel outer sheath with built-in ceramic fiber thermal insulation. Compared to conventional mica band heaters, this design delivers more uniform conductive and radiant heat, handles higher operating temperatures, and cuts heat loss to the surrounding work area.
Technical Specs
| Operating Voltage: | 220V / 230V / 380V AC (single-phase or three-phase options available) |
| Wattage Range: | Custom engineered to your barrel specs (typical surface power density: 3.5 W/cm² to 6.5 W/cm²) |
| Wattage Tolerance: | +5% / -10% (per industrial heating element standards) |
| Sheath Material: | Stainless Steel 304 or 430 |
| Internal Insulation: | High-frequency interlocking ceramic blocks + high-density ceramic fiber blanket |
| Heating Core: | High-purity NiCr (80/20) alloy resistance ribbon/wire |
| Max Operating Temperature: | 500°C – 700°C (barrel surface interface rating) |
| Terminal Options: |
High-temperature ceramic terminal block, threaded stud terminals with ceramic insulators, or heavy-duty metal braided lead wires |
| Cold Insulation Resistance: | ≥100MΩ at 500V DC |
| Dielectric Withstand Test: | 1500V AC / 1 sec (cold state) |
Where This Heater Works Best
- Plastic extrusion and granulation lines: Handles high-temperature engineering plastics like PA66, PC, PEEK, and ABS that need stable, consistent barrel temperature profiles.
- Energy-saving upgrades: The integrated ceramic fiber insulation layer cuts outer surface heat radiation loss, keeping barrel temps steady and lowering the ambient heat load in your production area.
- Custom fit options: Available in full-cylinder, two-piece split, or hinged clamping designs, with custom cutouts for thermocouples and barrel ventilation ports.
Industrial Case Studies
Case 1: Twin-Screw Extruder Barrel Heating for Engineering Plastics
- Operating Condition: Processing glass-filled PA66 requiring continuous barrel zone temperatures of 320°C under frequent thermal cycling.
- Engineering Implementation: Custom-engineered ceramic band heaters featuring high-temperature ceramic terminal blocks and precision thermocouple holes aligned to the barrel profile.
- Performance Result: Delivered precise thermal stability across barrel zones with no insulation degradation or conductor oxidation over 12 months of continuous operation.
Case 2: Plastic Recycling Granulation Line Sheath Upgrade
- Operating Condition: High ambient heat radiation loss and frequent element burnout on conventional mica heaters fitted to a 120mm extruder barrel.
- Engineering Implementation: Replaced existing units with Hongtai insulated ceramic band heaters featuring Stainless Steel 430 outer covers and heavy-duty latch clamping mechanisms.
- Performance Result: Reduced outer sheath heat loss, stabilized melt viscosity, and extended replacement intervals during 24/7 continuous duty cycles.
Hongtai Heater Factory Manufacturer
- 20 Years Manufacturing Experience: Two decades of specialized industrial heating element manufacturing, ensuring accurate thermal sizing and precise dimensional fit.
- Certified Quality Systems: Manufactured under ISO 9001 quality management procedures, with 100% cold insulation resistance and full-power testing before dispatch.
- Production Facility: 10,000 m² manufacturing plant offering CAD design verification for custom clamp geometries, hole cutouts, and strict OEM/ODM confidentiality protection.
Installation & Operational Constraints
- Barrel Surface Contact: Ensure the extruder barrel surface is clean, smooth, and free of plastic residue. Tighten clamping bolts evenly so the ceramic band sits completely flush against the barrel. Poor surface contact causes localized overheating and premature element burnout.
- Thermal Retightening: Upon initial heat-up to operating temperature, disconnect power and re-tighten clamping hardware to compensate for thermal expansion.
- Wiring Precautions: Use nickel-plated copper or pure nickel high-temperature lead wires. Ensure terminal connections are protected with ceramic sleeves or high-temperature fiberglass sleeving.
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