Radiant Flat Heaters (Patented High Power Surface Heaters)
This catalog page is for shaped heater components only. Finished radiator units are called Thermoplates or Robust Radiators. Please click to those pages for finished products.
Choose from Complex shapes, GlowPanel™, Line-heater, or Spiral-heater models below or please contact us to select models for your application.
Upgrade any existing lower temperature heating element (electric heater) you may be currently using with the UPESP material heating elements that are rated to 1850°C. (Please see the shapes below or inquire about any other custom elements which may better fit your needs).
MHI offers complete electronics control packages. The CE or UL panel ratings are provided when required.
MHI GAXP material-heaters are very high emissivity heaters
MHI manufactures easy replacement patented heaters that have a long-lasting performance. These are used in the semiconductor and deposition, and additive manufacturing processes.
Contact us or call us at (513)772-0404 for more information. For Coils, View our High-Temperature Coils Page
Looking for large MW Heating Panels
with extremely high power output per unit area
and very high temperatures.
~6.5″ Across.
up to 1900°C
Radiative Glow Panels Horizontal or Vertical
Stand Available
24 KW ( Radiative Area 45o mm x 600mm)
72 KW (call for size)
Custom Models Available. Minimum order may be required. See Giant Panels.
See also

High Power Glow Panels
Flat SiC Disc Heater (3″). Models have SCM heater designations.
Use up to 1200°C or higher.
GAXP-Igmp Microheater Models and Glow Panels
Special elements ~ 1500°C-1900°C
Model # | Size | Power | Maximum Temp |
12V Models | Contact MHI. | 200 Watts and Upward | Use from 1200-1600°C (Varies by model) |
Model # (Sze of base plate) | Power | Element Shape |
UPESP-6.5* (choose a model for GAXP or MP) | ~3-6000W |
![]() High-Density Square Heater |
High Power GP-24 (wall) GlowPanels High Heat Flux
24KW -72 KW 18″L x 18 “W 36″L x 36 “W |
High Power Glow Panels |
![]() Heated Glow Panel (GP) |
UPESP is a high-power molybdenum disilicide or GAXP pancake radiator. The element is supported by a patented non-reactive ceramic base plate with the heating element. Ask about our standard models.
Contact us at (513)772-0404 for more information.
Patented. Contact us UPESP (Base Plate – FiberFree™ Non-toxic)
* UPESP-6.5 serves as the replacement heating element for the HP220-HIGHBO-1250 Thermoplate™.
Please contact us or call (513) 772-0404
Power and Temperature Control Panels

Control Panel

Temperature Control with Data Acquisition
Vacuum Scales

TRIPAN Three phase controller for High Power GP Glow Panels