The infrared heating plate newly developed by our company is our new-generation product, an ideal replacement for closed electric furnaces and ordinary electric hot plates. It serves as heating equipment widely used in industry, agriculture, universities, industrial & mining enterprises, medical & health institutions, scientific research laboratories and household heating scenarios. The full stainless steel chassis resists oxidation and corrosion remarkably, greatly extending the overall service life of the equipment.
Far Infrared Microcrystalline Glass Heating Plate
1. Energy-Saving Principle of Far-Infrared Heater
Energy saving is realized by a cured thermal coating formed on the radiation surface of the heater. Featuring high surface emissivity and blackbody absorptivity, the coating absorbs massive radiant heat and converts it into far-infrared thermal energy easily absorbed by workpieces, transmitted in the form of electromagnetic waves.
Micron-grade thermal coating is thick with large thermal resistance and high reflectivity. When applied on oven panels, it recovers dissipated heat and radiates far-infrared energy into the oven cavity. The heat is absorbed by workpieces instead of moisture, retaining heat inside the chamber. It lowers moisture exhaust temperature, raises internal temperature and maximizes heat utilization efficiency.
Nano-grade thermal coating is thin with low thermal resistance. Coated on thermally conductive metal substrates inside ovens, the layer not only converts absorbed radiant heat into far-infrared waves but also acts as an independent far-infrared radiation source. Elevated surface temperature enlarges temperature gradient, strengthening heat conduction and absorption efficiency of heated objects.
In summary, thermal coating converts radiant heat into far-infrared energy to achieve three core benefits: higher oven operating temperature, reduced heat loss during moisture ventilation, faster heat absorption by workpieces, and overall energy consumption reduction.
2. Key Product Features of Infrared Heating Plate
- High-efficiency eco-friendly infrared radiation heating technology with fast temperature rise, low thermal inertia and flameless operation. Thermal efficiency is 30% higher than ordinary hot plates with long service life and stable environmental adaptability. Unlike bare heating wires prone to high-temperature oxidation and liquid splashing burnout, our premium heating elements are fully protected under microcrystalline glass panel with ultra-low failure rate.
- Adopts self-developed high-performance microcrystalline glass as heating surface, resistant up to 700℃. Infrared energy transfers vertically while horizontal heat conduction is restrained. The panel quickly reaches 450℃ and will not crack even if splashed with cold water suddenly.
- Microcomputer full-process temperature control with LED digital display for precise regulation of medium temperature.
- Built-in auxiliary cooling fan to protect electronic control circuits from high-temperature damage during long-term operation. High-performance solid-state relay ensures stable output and reliable operation.
- Flat fully sealed heating surface compatible with various lab glassware & vessels, flameless and leakage-proof. Workpieces can be placed directly on the plate without corrosion or contamination risk. It is an upgraded replacement for traditional laboratory heating instruments.
3. Technical Specifications of ET-WJ Series Far-Infrared Microcrystalline Heating Plate
| Spec Item | ET-3020WJ | ET-4030WJ | ET-4535WJ | ET-6040WJ |
|---|---|---|---|---|
| Power Supply / Frequency | AC220V / 50Hz | |||
| Total Power | 2KW | 3KW | 4KW | 5KW |
| Display Type | LED Digital Tube Display | |||
| Temperature Control Range | 100℃ ~ 600℃ | |||
| Control Accuracy | ±1℃ | |||
| Temperature Uniformity | ±10% | |||
| Heating Area Size | 300×200mm | 400×300mm | 450×350mm | 600×400mm |
| Heating Surface Material | Microcrystalline Glass Plate | |||
| Plate Thickness | 4mm | 6mm | 6mm | 6mm |
| Max Load Capacity | 5kg | |||
| Net Weight | 9kg | 18kg | 30kg | 35kg |
| Overall Dimension L×W×H | 30×35×19cm | 40×43×22cm | 45×50×22cm | 60×55×22cm |

4. Application Industries & Scenarios
- Industrial electric drying ovens, agricultural byproduct drying & thermal insulation equipment.
- Civil electrical appliances & residential space heating equipment.
- Medical health far-infrared physiotherapy devices, infrared sauna rooms.
- Thermal insulation for aerospace precision instruments & military industrial equipment.
- Open-air cafes, golf courses, high-ceiling venues, indoor & outdoor heating, ice & snow melting projects.
- Multiple power & radiation angle options, equipped with high-temperature resistant wiring harness.
- Passed UL & CSA safety certification standards.
- Coated steel / stainless steel housing, hardware brackets & gold-plated aluminum reflector panels available.
- Zero ferrous metal components, long service life under corrosive atmosphere and outdoor working environments.

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