Vacuum Sintering Furnace
Small Vacuum Sintering Furnace for High Temperature Material Processing
Item Number: TU-SJJ
Shipping: Contact us to get shipping details Enjoy On-time Dispatch Guarantee.
Product Overview

This small vacuum sintering furnace delivers exceptional high-temperature performance for laboratories and research facilities requiring precise material processing. Engineered for both vacuum and controlled atmosphere operation, it supports a wide variety of sintering, annealing, and purification tasks with outstanding temperature uniformity and contamination-free environments.
Core applications include the sintering of advanced ceramics, refractory metals, optical materials, and hard metals. Its 2300°C maximum temperature and deep vacuum of 6.7×10⁻³ Pa make it ideal for demanding material science research, while the compact work zone and intuitive controls simplify operation without compromising process integrity.
Built with durable graphite heating elements, a precision PID controller, and a robust vacuum chamber, this system is designed to deliver consistent, repeatable results over thousands of cycles. The modular design also allows for customization of the work zone size, ensuring a perfect fit for specific experimental setups or production needs. With its touchscreen PLC and electric lift, routine operation is streamlined, enabling researchers to focus on experiments rather than equipment intricacies.
Key Features
- Ultra-High Temperature Capability: This system achieves a maximum design temperature of 2300°C with a rated operating range up to 2200°C, utilizing high-performance graphite heating elements that ensure rapid heating and excellent thermal uniformity. The robust construction withstands repeated thermal cycling without degradation, making it ideal for demanding sintering processes.
- Precision Temperature Control: Equipped with an advanced PID controller and dual temperature measurement via thermocouple and infrared sensor, the furnace maintains a strict ±1°C accuracy across the entire operating range. This ensures reproducible process conditions for critical material experiments and production runs.
- High-Performance Vacuum System: The unit delivers a cold limit vacuum of 6.7×10⁻³ Pa after thorough baking and degassing, enabling sintering of oxidation-sensitive materials. The vacuum system is designed for stability and minimal outgassing over long cycles, preserving sample purity.
- Inert Gas Processing Capability: In addition to vacuum, the furnace supports controlled atmospheres of inert gas up to 0.03 MPa, preventing unwanted reactions during sintering. This dual-mode capability expands its utility to a wider range of materials, including those requiring argon or nitrogen environments.
- Compact and Customizable Work Zone: With a standard work zone of Φ60 mm diameter by 60 mm height, this compact furnace fits easily into laboratory spaces. Custom chamber sizes are available upon request to accommodate specific sample geometries and throughput requirements.
- Intuitive Touchscreen PLC Control: A modern touchscreen interface coupled with a PLC provides user-friendly recipe management, real-time process monitoring, and data logging. Operators can easily set temperature profiles, vacuum levels, and gas flows, reducing training time and human error.
- Robust and Safe Electric Lift Mechanism: The furnace cover is raised and lowered electrically, facilitating safe and convenient loading/unloading of samples. The mechanism is built with durable components to ensure long service life even under high-temperature radiant heat.
- Efficient Heating System: The furnace operates on a three-phase 380V 50Hz power supply with a heating power of up to 12 kW (single-phase 380V ±10%), striking a balance between energy efficiency and rapid thermal response. This design reduces operational costs while maintaining high throughput.
- Comprehensive Safety Features: Integrated safety protections include over-temperature alarms, vacuum interlocking, and automatic lift limit switches, ensuring safe operation even during unattended runs. These features protect both operators and equipment, meeting rigorous laboratory safety standards.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Advanced Ceramics Sintering | Sintering of oxide and non-oxide ceramics such as alumina, zirconia, and silicon carbide in vacuum or inert gas to achieve near-theoretical density. | Eliminates porosity and enhances mechanical properties for high-performance components. |
| Metal Powder Metallurgy | Processing of refractory metals like tungsten and molybdenum, where high temperatures and low-oxygen environments are critical for producing high-purity parts. | Achieves uniform microstructure and minimizes oxidation. |
| Optical Material Purification | Purification and sintering of optical crystals and glasses, maintaining optical clarity by avoiding contamination from atmospheric gases. | High vacuum prevents defects, ensuring superior optical performance. |
| Laboratory R&D and Sample Testing | Ideal for universities and research institutes conducting material science experiments, prototyping, and small-batch sample testing. | Compact design and precise control support diverse and evolving research needs. |
| Hard Metal and Carbide Sintering | Sintering of cemented carbides for cutting tools and wear parts, requiring precise temperature profiles and controlled atmospheres to achieve desired hardness and toughness. | Delivers consistent quality for demanding industrial applications. |
| Semiconductor Material Processing | Annealing and sintering of semiconductor materials under inert gas, essential for electronic and optoelectronic device fabrication where purity is paramount. | Ensures low impurity levels and controlled grain growth for reliable device performance. |
Technical Specifications
The TU-SJJ small vacuum sintering furnace is built to the following specifications. Custom configurations are available to meet specific application requirements.
| Parameter | Value |
|---|---|
| Model | TU-SJJ |
| Power Supply | Three-phase 380V, 50Hz |
| Heating Power | ≤12 kW ±10% (single-phase 380V) |
| Max Design Temperature | 2300°C |
| Rated Operating Temperature | Room temperature ~2200°C |
| Work Zone Dimensions | Φ60×60 mm (D×H), customizable |
| Number of Temperature Control Zones | 1 |
| Temperature Control Method | Thermocouple + Infrared with PID |
| Temperature Control Accuracy | ±1°C |
| Cold Limit Vacuum | 6.7×10⁻³ Pa (empty furnace, cold state, after baking and degassing) |
| Process Gas | Inert gas (e.g., Ar, N₂) |
| Max Gas Pressure | ≤0.03 MPa |
| Loading Method | Electric furnace cover lift |
| Control System | Touchscreen + PLC |
Note: All specifications are measured under standard conditions. Custom configurations for work zone size, vacuum levels, and additional gas systems are available on request.
Why Choose This Product
- Proven Long-Term Reliability: Our vacuum sintering furnaces are built with industrial-grade components and engineered for continuous, trouble-free operation over thousands of cycles. The graphite heating element and vacuum chamber materials are selected for their durability, significantly reducing downtime and maintenance costs.
- Precision Engineering: Every unit is manufactured with meticulous attention to thermal uniformity and sealing integrity. The dual temperature measurement (thermocouple and IR) combined with PID auto-tuning ensures that your process parameters are met with exacting precision, batch after batch, delivering consistent material properties.
- Customization Expertise: We understand that off-the-shelf solutions may not fit every application. Our engineering team works closely with clients to customize work zone dimensions, pumping systems, gas distribution, and control features to exact specifications, turning this compact furnace into a tailor-made solution for your unique process.
- Responsive Global Support: With a dedicated service team and comprehensive documentation, we provide timely installation, training, and after-sales support worldwide. This ensures your investment is protected and your operations run smoothly, no matter where you are located.
- Superior Build Quality: From the robust electric lift mechanism to the precision-machined vacuum flanges, every aspect of this furnace reflects high-quality manufacturing standards. This not only extends service life but also enhances safety for operators, giving you peace of mind during high-temperature operations.
Contact us today to discuss your specific sintering requirements and discover how this reliable, high-performance vacuum furnace can enhance your research or production capabilities. Request a quote or speak with our engineers about a custom solution tailored to your needs.
REQUEST A QUOTE
Our professional team will reply to you within one business day. Please feel free to contact us!
Related Products
5 Ton Vacuum Diffusion Welding Sintering Furnace
Advanced 5 ton vacuum diffusion welding sintering furnace with programmable PLC, 1400°C max, 6.67×10⁻⁴ Pa vacuum, and precise servo pressure control for R&D on ceramics, metals, and nano materials. Trusted by universities and industry research labs for repeatable high-density sintering.
Small Vacuum Induction Melting Furnace 1kg Capacity Laboratory Vacuum Induction Melter for Alloy Research
This high-performance laboratory vacuum induction melting furnace offers rapid heating up to 2100°C, precise programmable temperature control, and integrated pour casting under high vacuum, ideal for advanced metallurgical research and materials science alloy development projects.
5 Ton Vacuum Hot Press Sintering Furnace
High-performance 5 ton vacuum hot press sintering furnace for advanced material densification. Achieves up to 2300°C with servo-electric pressure control and ultra-high vacuum. Ideal for R&D and small-scale production. Precision-engineered for ceramics and metals research.
DCS DC Rapid Vacuum Hot Press Sintering Furnace
DCS DC rapid vacuum hot press sintering furnace achieves heating rates up to 1000°C/min, max temperature 2400°C, and precise pressure control. Ideal for rapid densification of nanomaterials, functionally graded materials, and rare earth magnets.
Benchtop Micro Vacuum Induction Melting Furnace for Alloy Refining and Material Science Research
This benchtop micro vacuum induction melting furnace delivers rapid alloy synthesis, precise real-time infrared temperature monitoring, and controlled atmosphere casting for advanced university material science laboratories and demanding high-purity industrial metallurgical research applications.
High Temperature 1000C Vacuum Furnace with 8 Inch ID Chamber for Material Sintering and Research Annealing
Achieve superior thermal processing with this 1000C vacuum furnace featuring an 8 inch ID chamber for precision sintering and brazing. This dual-zone system offers ultra-high vacuum levels and Eurotherm PID control for demanding industrial R&D material science applications.
Compact High Temperature 1600C Tube Furnace with 50mm Alumina Tube and Vacuum Flanges for Material Sintering
Enhance your lab capabilities with this compact high temperature 1600C tube furnace featuring a 50mm alumina tube and vacuum flanges. Ideal for material sintering and chemical research, it provides precision thermal processing and exceptional reliability for industrial R&D applications.
Vacuum Induction Hot Pressing Furnace with Bi Directional Pressing for Advanced Ceramic Sintering
Optimize advanced material development with this high-performance vacuum induction hot pressing furnace, engineered with precise bi-directional pressing, rapid induction heating, and advanced PLC control for sintering dense advanced ceramics and composites.
1000C Mini Tube Furnace with 20mm Quartz Tube and Vacuum Flanges for Material Science Research and Controlled Atmosphere Small Sample Processing
Advance your laboratory research with this 1000C mini tube furnace featuring a 20mm quartz tube and vacuum flanges. Optimized for small sample processing and CVD applications, this versatile system provides precision PID control and flexible vertical or horizontal mounting configurations.
High Vacuum Pressure Chamber Furnace 800C 3.5 Bar Sintering System for Superconducting Materials
This 800°C vacuum and pressure chamber furnace provides a 3.5 bar environment for R&D. Featuring 310S stainless steel construction and multi-zone heating, it delivers precision for superconducting material treatment and advanced sintering processes in demanding industrial applications.
High Pressure 600T Vacuum Induction Hot Press Furnace for Advanced Material Heat Treatment and Sintering
This professional 600T vacuum induction hot press furnace provides precise temperature and pressure control for sintering advanced ceramics and composites. Achieve near-theoretical density and fine grain structures in R&D or industrial production with absolute thermal processing reliability.
High Temperature Cold Wall Vacuum Furnace for Advanced Material Sintering and Annealing 1600C Heating Area 200x200x300mm
This high-temperature cold wall vacuum furnace delivers 1600C thermal processing within a clean metallic heating zone. Featuring an integrated water chiller and precision Eurotherm control, it ensures contamination-free environments for advanced metallurgy and material science research.
1100C High Temperature Vacuum Crucible Furnace with Quartz Chamber for Thermal Processing and Sintering
This 1100C vacuum crucible furnace features a quartz chamber for precision thermal processing. Designed for sintering and heat treatment under vacuum or inert atmosphere, it delivers consistent results for material science research, industrial engineering, and professional R&D lab quality applications.
Three Temperature Zone High Temperature Vacuum Tube Furnace for CVD and Material Sintering
This high-performance three-temperature zone tube furnace offers independent zone control for precise thermal gradients. Engineered for CVD and vacuum annealing, it provides exceptional temperature uniformity, advanced PID programming, and robust vacuum sealing for industrial R&D.
500C Vacuum Vertical Tube Furnace 84mm OD Sample Rotation Lifting System
This superior vacuum vertical tube furnace features high temperature capabilities and an 84mm OD mullite tube with sample rotation and manual lifting systems to ensure uniform sintering for advanced material research and industrial heat treatment processes. Engineering excellence delivers reliability.
10kg Vacuum Induction Melting Furnace with Mechanical Stirring
Industrial 10kg vacuum induction melting furnace with mechanical stirring, designed for precise alloy preparation under vacuum or protective atmosphere. Featuring PLC control and rapid melting, ideal for research and production, this system provides high purity and consistent results.
High Temperature 1700C Vertical Tube Furnace for Powder Spherification and Material Sintering
This 1700C vertical tube furnace system optimizes powder spherification for battery electrodes and 3D printing. Featuring an automatic feeder and dual-zone control, the unit ensures high-purity processing under vacuum or controlled atmospheres for superior industrial material research applications.
25kg Horizontal Vacuum Induction Melting Furnace
High-performance 25kg horizontal vacuum induction melting furnace for material science. Delivers ultimate vacuum of 6.67×10⁻³ Pa, 1800°C max temperature, and precise PLC touchscreen control. Designed for stainless steel, nickel alloys, copper, and rare earth metals melting and refining.
Compact Split Tube Furnace with Integrated Vacuum System and Precision Temperature Calibrator
Enhance material research with this high-performance compact split tube furnace featuring an integrated vacuum system and precision temperature calibrator. Experience superior thermal uniformity up to 1200°C for demanding laboratory applications and advanced industrial heat treatment processes today with accuracy.
Compact Hybrid Muffle and Tube Furnace for 1000C Controlled Atmosphere Laboratory Material Sintering
This versatile compact hybrid furnace combines muffle and tube capabilities for precise 1000C thermal processing. Its energy-efficient design and small footprint make it ideal for glove box integration, vacuum sintering, and high-performance industrial and laboratory controlled atmosphere material research applications.