Newest Silicone Rubber Sigma Mixer

Description

The latest Silicone Rubber Sigma Mixer, also known as a Z-blade mixer, double-arm kneader, or sigma blade kneader, is a high-performance industrial mixing machine designed for processing high-viscosity, elastic, and sticky materials. It excels at mixing, kneading, crushing, dispersing, and polymerizing materials such as silicone rubber, sealants, hot-melt adhesives, chewing gum bases, rubber compounds, pigments, and other viscous pastes.

Equipped with two counter-rotating Z-shaped (sigma) blades mounted in a sturdy U-shaped trough, this mixer delivers powerful shearing, folding, and kneading action. The design ensures uniform mixing with no dead zones, resulting in consistent product quality every batch.

Salient Features of Newest Silicone Rubber Sigma Mixer

Fabricated using structural carbon steel (mild steel) or premium stainless steel variants including SS 304 and SS 316.
Stainless elements can be buffed to a brushed satin matte or a high-reflectivity mirror polish according to client preferences.
Carbon steel frames are treated with a base coat of corrosion-inhibiting red oxide primer, sealed by a dual-layer epoxy topcoat.
Optional heating or cooling jackets can be embedded to regulate internal batch temperatures precisely.
Wrapped in high-density mineral wool insulation and sealed within an exterior protective metal outer cladding.

Product discharge can be executed via a manual hand-crank wheel or a motorized, automated hydraulic actuation mechanism.
Built with precision-engineered tangential 'Z'-shaped blades to ensure thorough, consistent blending.
Equipped with food-grade PTFE shaft seals to maintain strict sanitary compliance and prevent contamination.
Designed with an extremely tight clearance gap between the inner mixing vessel wall and the blades to completely eliminate dead zones or product retention.
Vacuum-sealed operational packages and fluid atomizing spray assemblies available upon request.

Working Principle of Newest Silicone Rubber Sigma Mixer

Agitator Kinematics & Material Flow: Twin ‘Z’-profile (Sigma) mixing elements turn synchronously at precise differential velocities, creating a tangential kneading action that continuously conveys and redistributes the batch across the chamber.

Batch Extraction Mechanisms: Processed materials can be unloaded via pivoting the mixing trough, releasing bottom-mounted drain valves, or driving the product through an adjacent lateral extrusion screw.

Rheological Breakdown & Blending Forces: The mixing process integrates bulk displacement, stretching, folding, splitting, and re-blending. Simultaneously, the intense frictional shear and tearing forces generated between the rotating elements and internal walls effectively break down solid particle aggregates.

Automated Thermal Stage Shift: Once the preset batch sterilization time cycle concludes, the heating circuit automatically cuts off, the pneumatic exhaust flap opens, and the cooling sequence initiates.

Tangential Design Specifications: In this configuration, the agitators rotate within the trough while meeting tangentially—typically with the front blade spinning at a faster 3:2 speed ratio relative to the rear. This high-torque arrangement is engineered for dense, highly viscous substances such as adhesives, rubber polymers, pigment pastes, and dyes.

Overlapping Design Specifications: The agitators intersect directly above the central partition, requiring strict synchronization so both spin at identical speeds. This accelerates cross-transfer between compartments, making it ideal for fluid or creeping substances like cosmetic creams, pharmaceutical ointments, clay coatings, and carbon pastes while exerting lower shear and kneading forces.

Technical Specification of Newest Silicone Rubber Sigma Mixer

Model	Capacity – Liters		Motor (H.P.)
Model	Working Capacity approx.	Gross Capacity approx.	General	Heavy Duty
ASM – 50	50 Liters	80 Liters	5 H.P.	7.5 H.P.
ASM – 75	75 Liters	110 Liters	7.5 H.P.	10 H.P.
ASM – 100	100 Liters	150 Liters	10 H.P.	15 H.P.
ASM – 150	150 Liters	200 Liters	15 H.P.	20 H.P.
ASM – 200	200 Liters	300 Liters	20 H.P.	25 H.P.
ASM – 400	400 Liters	550 Liters	30 H.P.	40 H.P.
ASM – 500	500 Liters	750 Liters	40 H.P.	50 H.P.
ASM – 750	750 Liters	1150 Liters	50 H.P.	60 H.P.
ASM – 1000	1000 Liters	1500 Liters	60 H.P.	70 H.P.
ASM – 1500	1500 Liters	2100 Liters	75 H.P.	80 H.P.
ASM – 2000	2000 Liters	2600 Liters	80 H.P.	90 H.P.
ASM – 3000	3000 Liters	3800 Liters	100 H.P.	120 H.P.

* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.

Types of Sigma Mixer

Sigma Mixer Machine

Sigma Mixer Extruder

Lab Sigma Mixer

Food Grade Sigma Mixer

Heavy Duty Sigma Mixer Machine

Z Type Sigma Mixer

Applications of Sigma Mixer

Pharmaceutical Industry
Nutraceutical Industry
Herbal Industry
Ayurvedic Industry
Biotech Industry
Cosmetic Industry
Chemical Industry

Optional Features/Accessories of Newest Silicone Rubber Sigma Mixer

Liquid Spray System

Vacuum System

Blades Cooling Arrangement

Screw System

Automatic Valve Discharge System

Key Features of Newest Silicone Rubber Sigma Mixer

Vacuum operation: Essential for silicone rubber to eliminate air bubbles and improve product quality.

Variable speed control: Via frequency inverters for optimized kneading.

Discharge options: Hydraulic tilting, bottom valve, or screw extrusion.

Materials: Stainless steel (304/316L) for corrosion resistance and food/medical-grade applications.

Capacities: From lab-scale to industrial.

Advanced controls: PLC systems, explosion-proof motors, and energy-efficient designs.

Applications: Specifically tailored for solid/liquid silicone rubber, butyl rubber, glass glue, and high-viscosity compounds.

FAQ for Newest Silicone Rubber Sigma Mixer

What is the Newest Silicone Rubber Sigma Mixer and what other names is it known by?

It is a high-performance industrial mixing machine designed for processing high-viscosity, elastic, and sticky materials such as silicone rubber, sealants, hot-melt adhesives, rubber compounds, and viscous pastes. It is also known as a Z-blade mixer, double-arm kneader, or sigma blade kneader.

Why is this Sigma Mixer particularly suitable for silicone rubber and similar materials?

Equipped with two counter-rotating Z-shaped (sigma) blades in a sturdy U-shaped trough, it delivers powerful shearing, folding, and kneading action. This ensures uniform mixing with no dead zones, making it ideal for high-viscosity, elastic, and sticky compounds that conventional mixers struggle to handle.

What materials of construction and surface finishes are available?

The mixer is offered in Stainless Steel 316, Stainless Steel 304, or Mild Steel. Stainless steel can be finished to a matt or mirror polish as per customer requirements, while mild steel receives one coat of red oxide and two coats of epoxy paint.

How does the working principle achieve thorough mixing and kneading?

Tangential “Z”-type (sigma) blades rotate accurately at different speeds toward each other, transferring material from one end to the other. The action combines bulk movement, stretching, folding, dividing, and recombining, along with shearing and tearing against the blades and side walls for effective homogenization and size reduction.

What is the difference between tangential and overlapping blade designs?

Tangential blades meet tangentially and typically rotate at a 3:2 speed ratio (front faster than rear), providing stronger kneading and shearing for higher-viscosity materials like silicone rubber, adhesives, and rubber compounds. Overlapping blades rotate at the same speed, suit lower-viscosity materials, enable faster material interchange, and produce less intense kneading.

What discharge options are available for sticky silicone rubber compounds?

Discharge can be achieved by hand-wheel operated (manual) or hydraulic operated (automatic) tilting of the container, through bottom valves, or via an extrusion screw beside the container—ideal for thick, non-flowing materials.

Can temperature be controlled during the mixing process?

Yes. A jacket for heating or cooling applications can be supplied, complete with mineral wool insulation and cladding. Optional spray systems and vacuum systems are also available on demand.

What capacity and motor options are offered?

Models range from ASM-50 (approx. 50 L working / 80 L gross capacity with 5 HP general or 7.5 HP heavy-duty motors) up to ASM-3000 (approx. 3000 L working / 3800 L gross capacity with 100 HP general or 120 HP heavy-duty motors). Power voltage can be adjusted to local requirements.

What design features help prevent product sticking and support food-grade or hygienic applications?

A minimum gap between the trough inner shell and the blades reduces the possibility of product sticking. PTFE shaft sealing is provided for food-grade compatibility, and the U- or W-shaped trough with counter-rotating sigma blades minimizes dead spots for consistent quality.

In which industries is the Newest Silicone Rubber Sigma Mixer commonly used?

It is widely applied in the pharmaceutical, nutraceutical, herbal, Ayurvedic, biotech, cosmetic, and chemical industries for processing silicone rubber, sealants, adhesives, rubber compounds, pigments, and other high-viscosity pastes.