The LRMIX 100L Vacuum Heating & Cooling Sigma Kneader is a heavy-duty jacketed sigma blade mixer designed for silicone rubber compounding, adhesive mixing, chewing gum production and other high-viscosity applications requiring precise temperature control and bubble-free output. The dual-function jacket accommodates both heating (via mould temperature controller) and cooling (via chilled water circulator) within the same mixing cycle — making it uniquely suited to processes where temperature transitions are critical to product quality.
Technical Specifications
| Model | LRMIX-LNH-100 |
| Effective Volume | 100 Litres |
| Main Motor Power | 15 kW |
| Gear Reducer | ZLY Hard-Tooth Face (HRC 58–62) |
| Blade Type | Sigma (Z-shaped), Counter-Rotating, Differential Speed |
| Jacket Function | Heating + Cooling — Internal Circulation Channel Design |
| Heating Method | Mould Temperature Controller (hot water) — up to 120°C |
| Cooling Method | Chilled Water Circulator — cooling to ambient or below |
| Vacuum System | ≥ –0.09 MPa |
| Discharge Method | Hydraulic Tilt 130° |
| Vessel Material | Carbon Steel (Standard) / SS304 (Optional) |
| Batch Capacity | 60–70 kg per batch (silicone rubber gum base) |
| Certification | CE |
| Custom Configurations | Available — voltage, blade material, jacket type, control system |
Key Features
Internal circulation channel jacket connects to a mould temperature controller for heating (up to 120°C) and a chilled water unit for cooling — no vessel change required between process phases
Sealed chamber with vacuum pump removes entrapped air during and after mixing — essential for silicone rubber, medical-grade compounds and any application requiring bubble-free output
Carburised and quenched gear faces deliver 40% higher load capacity than soft-tooth alternatives — sustains peak torque during high-viscosity silicone rubber gum loading without fatigue failure
Full hydraulic tilt discharges compounded material in under 3 minutes with minimal residue — replaces 15–20 minutes of manual discharge for high-viscosity sticky materials
Counter-rotating sigma blades at differential speed (3:2 ratio) continuously renew the shear zone — producing uniform distribution with no dead spots in the mixing chamber
All product-contact surfaces available in SS304 stainless steel — suitable for food-grade silicone, chewing gum, pharmaceutical compounds and GMP-compatible applications
Suitable Materials & Applications
This vacuum heating kneader is used across multiple industries wherever high-viscosity materials require simultaneous temperature control and air elimination:
Silicone Sealant
Chewing Gum & Bubble Gum
Hot-Melt Adhesives
Structural Adhesives
BMC / DMC Compounds
Carbon Electrode Paste
Ceramic Clay Body
Cellulose (CMC / HPC)
Pigment Paste
Industry Application Guides
Learn how this sigma kneader is used in specific industries — detailed process guides, material information and configuration recommendations:
| → | Silicone Rubber Kneader MachineHTV compound mixing process, fumed silica incorporation, vacuum degassing guide |
| → | Chewing Gum Mixer KneaderGum base compounding process, heating and cooling cycle, flavour addition temperature control |
| → | Adhesive & Sealant Mixer MachineStructural adhesive, MS sealant and hot-melt adhesive production with sigma kneaders |
| → | Ceramic & Clay Mixer KneaderCeramic body preparation, vacuum degassing for technical ceramics, screw extrusion discharge |
Why Choose LRMIX
LRMIX is the international brand of Shandong Laihong Machinery Equipment Co., Ltd — a sigma kneader and industrial mixer manufacturer with over 15 years of production experience, exporting to 40+ countries across Southeast Asia, the Middle East, South Asia, Europe and the Americas. All equipment is manufactured at our 4,000m² factory in Shandong, China and supplied factory direct — no middlemen, no markup.
Request a Quote or Technical Consultation
Tell us your material, batch size and process requirements — we will confirm the right configuration and provide a factory-direct quotation within 24 hours.
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