Description
DEPRAG · Zirconia sintering furnace
DEPRAG S7 Sintering Furnace
The DEPRAG S7 is a clean, precise zirconia sintering furnace with high-purity TOKAI CARBON heating elements rated up to 1,650°C, a 90-minute fast mode for single crowns, and ±1°C PID temperature control.

Key features
Long-life heating elements
High-purity TOKAI CARBON elements rated up to 1,650°C, designed for a longer service life.
Fast sintering mode
Sinters a single crown in about 90 minutes with the 3D Pro program.
±1°C precision
An in-house PID control system holds temperature within ±1°C.
Fast, automatic cooling
The furnace opens automatically during the cooling stage to speed up turnaround.
One-click calibration
A built-in temperature calibration curve lets you recalibrate anytime.
Power-outage recovery
After an unexpected power loss, the system restarts and intelligently resumes the program.
Indications
- Zirconia crowns, bridges and full-arch restorations
- Clean, contamination-free sintering
DEPRAG S7 Specifications
| Category | DEPRAG S7 |
|---|---|
| Heating elements | High-purity TOKAI CARBON |
| Max temperature | Up to 1,650°C |
| Fast mode | Single crown in about 90 minutes |
| Temperature control | PID, ±1°C |
| Cooling | Automatic opening during cooling |
| Calibration | One-click, built-in calibration curve |
| Power-loss behavior | Automatic restart and resume |
Specifications from DEPRAG.
Why buy your DEPRAG S7 from CAD-Ray
- Setup guidance and technical support from CAD-Ray’s in-house team: 833-223-7292.
- Help building sintering programs for your zirconia.
- Pair it with CAD-Ray Zirconia by Beyond, our private-label zirconia made by B&D Dental.
DEPRAG S7 FAQ
How long does a fast cycle take?
About 90 minutes for a single crown in fast mode.
What happens if the power goes out?
The furnace restarts and resumes the program automatically.
How accurate is the temperature?
The PID control system holds ±1°C.
More about the DEPRAG S7
Zirconia Capacity Supporter for High-Production Lab.
Clean, no pollution,
up to 1550°C
DEPRAG introduces new TOKAI CARBON heating elements with longer service life. Limited-time and limited-quantity supply.
High purity, longer service life,
up to 1650°C.
Same-day delivery,
fast sintering.
Fast Sintering Mode Equipped with 3D Pro, complete single crown fast sintering in 90 minutes.
Same-day delivery,
fast cooling.
The furnace is automatically opened in the cooling stage.
±1 ℃ ultra-precise
temperature control
Independently developed PID system, achieving a temperature difference of ±1°C
Smart control,
helps to create Intelligent lab.







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