Controlled atmosphere muffle furnace
Achieve precise temperature and atmosphere control for critical processes like sintering and binder burnout, ensuring consistent and optimal results in material and chemical applications.

Controls Temperature and Atmosphere for Precise Material Processing
The GCF1200 series from Across International offers a 1200°C Controlled Atmosphere Muffle Furnace designed for precision in material science and industrial applications. Featuring Mitsubishi high-quality alumina fiber insulation and Kanthal heating elements, this furnace excels in temperature uniformity and atmosphere control. It is ideal for applications such as sintering, binder burn out, and high-purity material processing, supporting end-products like alloy steel, lithium-ion battery cathodes, and polysilicon wafers.
Integration and automation are enhanced by an optional Eurotherm or Shimaden controller, capable of segment programming for complex thermal cycles. With robust digital communication and a user-friendly interface, remote monitoring and data export are streamlined. The furnace is also equipped with multiple gas inlets and a sealed chamber for precise atmosphere control, ensuring operational safety and consistency. This unit is ETL and CE certified, guaranteeing compliance with industry standards, while its customizable configurations and comprehensive engineering support cater to specific process requirements.
Benefits
- Ensures precise material properties with controlled temperature and atmosphere, vital for high-purity end-products.
- Minimizes operational costs via microprocessor-based PID control for stable thermal processes.
- Enhances production flexibility with programmable cycle configurations for diverse applications.
- Meets stringent industry standards with ETL and CE certifications.
- Reduces contamination risks through robust sealing and inert gas compatibility.
- Applications
- Chemistry,Metal powders,Metallurgy,Pharmaceutical tablets,Fine chemicals,Nutraceuticals,Material science,Industrial process,Semiconductor,Coating materials,Batteries,Biofuel,Essential oils
- End products
- Polysilicon wafers,Alloy steel,Lithium-ion battery cathodes,Api (active pharmaceutical ingredients),Nutraceutical capsules,Essential oil concentrates,High-purity solvents,Sintered components,Protective coatings,Biodiesel,Fine metal powders
- Steps before
- Gas Mixing,Material Preparation,Sample Loading
- Steps after
- Cooling,Gas Removal,Sample Inspection
- Input ingredients
- gases,air,N2,Ar,CO,CO2,He,Ne,NO2,rough vacuum,inert gases
- Output ingredients
- sealed atmosphere,controlled temperature,processed materials,project success,sintered parts
- Market info
- Across International is known for manufacturing high-quality thermal management equipment, such as vacuum ovens, furnaces, and laboratory equipment, with a strong reputation for reliability and innovation in industries like materials research, cannabis processing, and laboratory testing.
- Temperature Range
- Ambient to 1200°C
- Constant Temperature
- 1100°C
- Heating Rate
- 15°C / min
- Thermocouple Type
- K
- Chamber Size
- 12x8x8" to 20x20x20"
- Chamber Capacity
- 0.44 to 4.23 cu ft
- Vacuum Level
- 100 Pa with flange,1000 Pa with hose
- Power Output
- 4 kW to 18 kW
- Gas Compatibility
- Air,N2,Ar,NO2,CO,CO2,He,Ne
- Pressure Limit
- 0.02 MPa / 150 torr / 3 psi
- Temperature Controller
- Eurotherm or Shimaden
- Controller Segments
- 8 to 50 segments
- Power Supply
- 208-240V,50/60Hz,single phase
- Dimensions
- 25.6x29.5x39.4" to 38x41x51"
- Automation level
- Microprocessor based PID control
- Batch vs. continuous operation
- Batch
- Temperature control
- Built-in 28-segment PID digital temperature controller
- Gas mixing
- Separate chamber for gas mixing
- Gas flow management
- Multiple gas inlets and outlets with stainless steel ball valves
- Temperature range
- Ambient to 1200°C
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Chamber size
- 12x8x8",16x12x12",20x16x16",20x20x20"
- Machine footprint
- Unit dimensions vary by model
- Net weight
- 350-1000 Lb
- Shipping dimensions
- Varies by model
- Usable chamber space
- 10x7x7",14x11x11",18x15x15",18.5x18.5x18.5"
- Chamber Size
- 12x8x8",16x12x12",20x16x16",20x20x20"
- Vacuum Setup
- 3/8” hose barb with no pump,EasyVac oil pump,SuperVac oil pump,Edwards oil pump,Welch diaphragm pump
- Calibration
- GCF1200 calibration
- Leak Testing
- Alicat Helium Leak Tested
- Mass Flow Controllers
- Alicat 0-5 SLPM,Alicat 0-10 SLPM,Alicat 0-20 SLPM,Alicat 0-500 SCCM
- Controller Option
- Standard Eurotherm 3204,Optional Eurotherm 3504
- Accessories
- Ultra grade pump oil,EZ-Swap vacuum pump exhaust filter