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What is planetary vacuum degassing mixer
A planetary vacuum degassing mixer is a high-performance mixing system that combines planetary centrifugal mixing with vacuum degassing to process a wide range of materials, from low-viscosity liquids to high-viscosity compounds, pastes, and fine or nanoscale powders. It suits applications that require efficient blending, uniform dispersion, and reliable material consistency.
Unlike conventional mixers that rely on mechanical blades or impellers, planetary vacuum degassing mixers use controlled rotation and revolution to generate centrifugal forces and material movement inside the mixing container.
When vacuum is applied during the process, entrapped air and micro-bubbles can be removed while the material is being mixed.
This makes planetary vacuum degassing mixers particularly suitable for high-viscosity materials, powders, adhesives, electronic materials, potting compounds, battery materials, ceramics, composites, and other advanced formulations.
Working principle of planetary vacuum degassing mixer
Planetary Rotation and Revolution
The mixing container moves through two simultaneous motions:
- Rotation around its own axis
- Revolution around the central axis
- 45 degrees: Tilting the rotation axis by 45 degrees results in three-dimensional flow.
The combination creates a planetary movement that continuously changes the material's flow path.
Instead of relying on a fixed blade to push the material, the entire material mass is subjected to controlled centrifugal forces and internal movement.
Centrifugal Force and Material Flow
As the container rotates and revolves, differences in flow velocity and direction within the material generate complex internal flow and shear forces.
These forces promote the breakup of liquid droplets and particle agglomerates, helping improve dispersion and material uniformity.
Vacuum-Assisted Degassing
When the mixer is equipped with a vacuum system, mixing can be performed under reduced pressure.
Entrapped air and gas bubbles within the material can expand and migrate toward the surface, allowing them to be removed from the mixture.
How Does It Handle Different Viscosities?
Mixing Low-Viscosity Materials
Low-viscosity materials flow readily under planetary motion, allowing strong internal circulation and convection during mixing. The continuous material movement promotes uniform dispersion and helps carry entrapped air toward the surface.
When vacuum is applied, reduced pressure promotes bubble expansion and facilitates the removal of entrapped air. By adjusting revolution speed, rotation speed, and processing time, the mixing and degassing process can be optimized for different formulations.
Mixing High-Viscosity Materials
High-viscosity materials are more difficult to mix and degas because trapped air moves slowly through the material. Planetary motion continuously redistributes the material, helping transport entrapped air toward the surface.
Under vacuum, reduced pressure causes trapped bubbles to expand, making them easier to migrate through the viscous material. The rotational component also introduces shear that can help deform and disrupt smaller bubbles near the material surface.
Together, planetary motion and vacuum promote uniform mixing and efficient degassing of high-viscosity formulations.
Planetary Vacuum Mixer vs. Non-Vacuum Planetary Mixer
The main difference is whether the mixing process is performed under vacuum.
What Is a Vacuum Planetary Mixer?
A vacuum planetary mixer combines planetary centrifugal mixing with a vacuum system.
It is designed for applications where both mixing quality and air removal are important.
Typical applications include:
- Adhesives and sealants
- Electronic materials
- Potting compounds
- Epoxy systems
- Thermal interface materials
- Battery materials
- High-viscosity formulation
What Is a Non-Vacuum Planetary Mixer?
A non-vacuum planetary mixer uses planetary centrifugal motion without applying vacuum.
It can be suitable when the primary requirement is:
- Mixing
- Blending
- Dispersion
- Homogenization
- Powder wetting
If air entrapment is not a major concern, a non-vacuum configuration may provide a simpler processing solution.
Which Configuration Should You Choose?
| Requirement | Vacuum Planetary Mixer | Non-Vacuum Planetary Mixer |
|---|---|---|
| Mixing | ✓ | ✓ |
| Homogenization | ✓ | ✓ |
| Powder dispersion | ✓ | ✓ |
| High-viscosity materials | ✓ | ✓ |
| Air removal | ✓ | — |
| Vacuum degassing | ✓ | — |
| Air-sensitive applications | Recommended | Limited |
| Simple blending | ✓ | ✓ |
Applications of Planetary Vacuum Degassing Mixers
Planetary vacuum degassing technology can be applied to a wide range of advanced materials.
| Material category | Specific materials | Typical application scenarios | Material characteristics | Equipment advantage |
|---|---|---|---|---|
| Electronic packaging materials | Epoxy resin, organic silicone | Chip packaging, LED fluorescent adhesive | High viscosity, easily mixed with micrometer sized bubbles | Planetary stirring+vacuum defoaming |
| Adhesive | Conductive silver paste, thermal conductive adhesive | Phone screen bonding, lithium battery electrode bonding | Containing metal/ceramic particles, prone to settling and layering | Free speed regulation (100-2500 rpm) to prevent settlement |
| Medical materials | Dental resin, medical silicone | Denture molding, medical catheterization | Biocompatibility is required, and organic solvent contamination is prohibited | Fully enclosed medical grade stainless steel chamber |
| New energy materials | Photovoltaic silver paste, solid electrolyte paste | Solar cells, solid-state batteries | Nanoscale particles have a large specific surface area and are prone to agglomeration | Nano scale dispersion technology can process materials with a viscosity of 5 million CPS |
| Optical materials | Optical glue (OCR), nanomaterials | AR/VR lens assembly, Mini LED backlight | Extremely low tolerance for bubbles, requiring low-temperature defoaming | Low temperature defoaming mode (25-40 ℃ temperature control), supporting ± 0.5kpa level high vacuum |
| Chemical materials | Silicone oil, polyurethane prepolymer | Lubricant synthesis, polymer material modification | Thermal sensitivity and easy oxidation | Low temperature defoaming mode (25-40 ℃ temperature control) |
| Ceramic materials | Ceramic slurry, piezoelectric ceramic materials | MLCC capacitors, sensor ceramic components | Solid content up to 85%, poor fluidity | High speed stirring (2500rpm/min), supporting large capacity batch processing of 12ml-50L |
Planetary Centrifugal Mixers from Berlon
Planetary Vacuum Degassing Mixer
Designed for materials that require mixing, dispersion, homogenization, and vacuum degassing in the same process.
Suitable for:
- Adhesives and sealants
- Epoxy and silicone
- Electronic materials
- Potting compounds
- Thermal interface materials
- Battery materials
- Ceramics and composites
Temperature-Controlled Planetary Vacuum Mixer
Designed for materials whose processing performance is sensitive to temperature changes during mixing.
Temperature control can help maintain a more stable processing environment for temperature-sensitive formulations and applications requiring controlled heating or cooling.
Suitable for:
- Temperature-sensitive materials
- High-viscosity formulations
- Electronic materials
- Adhesives and resins
- Advanced material development
Explosion-Proof Planetary Vacuum Mixer
Designed for applications where materials or processing environments require explosion-protection measures.
The mixer can be configured for applications involving potentially flammable materials or environments where conventional electrical equipment may present additional safety considerations.
Suitable applications may include:
- Solvent-containing formulations
- Flammable adhesives
- Chemical materials
- Specialty coatings
- Other applications requiring explosion-proof configurations
Solder Paste Mixer
Designed specifically for solder paste preparation and conditioning, helping achieve a more uniform material consistency before application.
The controlled centrifugal mixing process can help reduce manual preparation steps while maintaining consistent processing conditions.
Suitable for:
- Solder paste
- SMT applications
- Electronics assembly
- PCB manufacturing
- Electronic material preparation
Product Parameters
| Model | Mixing Quantity | Revolution Speed | Rotation Speed | Vacuum Capacity | Temperature Control Function |
|---|---|---|---|---|---|
| BL-350SP | 350ml, 170g*2 | 200-2500rpm | Rotation ratio fixed | / | / |
| BL-350T | 350ml, 170g*2 | 200-2500rpm | Rotation ratio fixed | 20m³/h, 0.5±0.5kpa | / |
| BL-500T | 500ml, 250g*2 | 200-2500rpm | Rotation ratio fixed | 20m³/h, 0.5±0.5kpa | / |
| BL-1000T | 1000ml, 500g*2 | 200-2500rpm | Rotation ratio fixed | 20m³/h, 0.5±0.5kpa | / |
| BL-2000T | 2000ml, 1000g*2 | 200-2500rpm | Rotation ratio fixed | 20m³/h, 0.2±0.5kpa | / |
| BL-4000T | 4000ml, 2000g*2 | 200-2500rpm | Rotation ratio fixed | 20m³/h, 0.2±0.5kpa | / |
| BL-5000T | 5000ml, 2500g*2 | 200-2500rpm | Rotation ratio fixed | 20m³/h, 0.2±0.5kpa | / |
| BL-10LT | 10000ml, 5000g*2 | 200-2500rpm | Rotation ratio fixed | 20m³/h, 0.2±0.5kpa | / |
| BL-1000TT | 1000ml, 500g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | / |
| BL-2000TT | 2000ml, 1000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | / |
| BL-4000TT | 4000ml, 2000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | / |
| BL-5000TT | 5000ml, 2500g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | / |
| BL-10LTT | 10000ml, 5000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | / |
| BL-20LTT | 20000ml, 10000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | / |
| BL-2000TTC | 1000ml, 500g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | -5 ℃~25 ℃ (optional) |
| BL-4000TTC | 4000ml, 2000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | -5 ℃~25 ℃ (optional) |
| BL-6000TTC | 6000ml, 3000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | -5 ℃~25 ℃ (optional) |
| BL-10LTTC | 10000ml, 5000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | -5 ℃~25 ℃ (optional) |
| BL-20LTTC | 20000ml, 10000g*2 | 200-2500rpm | 0-1400rpm rotation ratio adjustable | 20m³/h, 0.2±0.5kpa | -5 ℃~25 ℃ (optional) |
Need Help Choosing a Planetary Vacuum Degassing Mixer?
The right mixer depends on your material, batch size, viscosity, density, powder loading, and mixing requirements.
Tell us about your application, and our engineers can help evaluate a suitable planetary vacuum degassing mixing solution
Frequently Asked Questions
A planetary mixer typically uses planetary movement of mixing tools or the container, while a centrifugal mixer uses centrifugal forces to move and process the material.
A planetary centrifugal mixer combines planetary motion with centrifugal forces to create material movement without relying on conventional internal mixing blades.
It can be used for a wide range of materials, including adhesives, sealants, epoxy, silicone, electronic materials, potting compounds, thermal interface materials, ceramics, composites, coatings, inks, and selected battery formulations.
Actual suitability depends on the material's viscosity, density, formulation, powder loading, and batch size.
Yes. Planetary centrifugal mixing is particularly suitable for many high-viscosity and filled materials.
However, the maximum processable viscosity depends on the specific machine configuration and material properties.
Yes, when the mixer is equipped with a vacuum system.
Vacuum processing can help remove entrapped air from the material. Actual degassing performance depends on factors such as viscosity, bubble size, formulation, vacuum condition, and process time.
A vacuum mixer combines mixing with reduced-pressure processing to help remove entrapped air.
A non-vacuum mixer focuses on mixing, dispersion, and homogenization without applying vacuum.
Capacity should be selected according to your actual batch size, working volume, material properties, and required filling ratio.
For R&D, smaller models such as 350 mL or 500 mL may be appropriate, while pilot and production applications may require 1–20 L systems.
Yes. Depending on the application, customization may include containers, mixing programs, vacuum configuration, capacity, temperature-controlled and other equipment parameters.
Material testing is strongly recommended for challenging formulations.
A mixing test can help evaluate whether the selected equipment and process conditions are suitable for your material before moving to larger-scale production.
