Rubber and Elastomer-Specific Melt Pumps
In the field of rubber and elastomer extrusion, materials commonly exhibit ultra-high viscosity, strong heat sensitivity, and stringent shear tolerance thresholds—core technical challenges for conveying equipment. BART's rubber and elastomer-specific melt pumps are customized solutions engineered precisely for these materials' unique processing demands, addressing the challenges of ultra-high viscosity conveying and precise temperature control.
When your production involves highly viscous materials like rubber, silicone, and thermoplastic elastomers (TPE, TPU, etc.) that are extremely sensitive to temperature and shear forces, this specialized melt pump becomes the critical equipment ensuring continuous, stable production. It prevents material degradation and flow instability at the source, fortifying the defense for product quality.
Core Application Scenario: Precisely Matching Extrusion Process Requirements
The core application scenario for rubber melt pumps is installation between the extruder outlet and the die head. Functioning as a critical melt metering unit, it specifically addresses four core issues in the extrusion process to achieve process upgrades:
Pressure Boosting & Stabilization: Efficiently eliminates inherent pressure and flow fluctuations in extruder output, providing a constant and stable melt pressure environment for the die. This significantly enhances dimensional accuracy and surface appearance quality of products while reducing defects caused by pressure fluctuations.
Precise Metering: Leveraging volumetric delivery's core characteristics, it achieves linear matching between flow output and rotational speed, ensuring long-term constant extrusion volume. This perfectly suits production scenarios demanding stringent metering accuracy, such as medical consumables and precision seals.
Enhanced Efficiency: Assumes primary pressure-building functions within the extrusion system, effectively reducing extruder load to achieve energy savings and lower consumption. Simultaneously optimizes material conveyance efficiency, significantly boosting extrusion output at equivalent energy expenditure while balancing economic viability and productivity.
Material Protection: Optimized flow channel design minimizes shear damage to materials. Combined with precise temperature control capabilities, it prevents degradation of heat-sensitive materials due to localized overheating, preserving original material properties.
Key Service Industries/Materials:
Compatible with a wide range of challenging materials This series of specialized melt pumps serves mainstream polymer processing sectors, demonstrating exceptional adaptability in rubber and elastomer handling. It accommodates most natural and synthetic polymers:
Natural and Synthetic Rubber: Fully compatible with fundamental rubber types including NR (Natural Rubber), SBR (Styrene-Butadiene Rubber), BR (Butadiene Rubber), NBR (Nitrile Rubber), etc., meeting production demands for traditional rubber products like tires, hoses, and seals.
Specialty Elastomers and Heat-Sensitive Materials: Precisely matches processing requirements for high-performance elastomers like EPDM (ethylene propylene diene monomer), CR (chloroprene rubber), and silicone rubber. Also gently conveys heat-sensitive materials such as PVC, preventing performance degradation during processing.
Key Technical Parameters: Precise Adaptation for Diverse Conditions
Segmented positioning based on varying production needs forms a product matrix of “high-end precision” and “high-efficiency versatility,” addressing both specialized processes and routine production requirements:
High-End Precision Choice: Integrated independent cooling/heating channels within the pump housing enable ±1°C precision temperature control via thermal fluid circulation. Ideal for temperature-sensitive materials with narrow processing windows, such as peroxide-cured rubber and specialty elastomers. Rapidly responds to temperature adjustments to maintain optimal processing conditions throughout, ensuring performance stability for high-end products.
High-Efficiency Universal Choice: Features a compact structural design for reduced space requirements. Its dead-zone-free flow channels and optimized tooth profile ensure stable material conveyance while minimizing energy consumption, delivering superior cost-effectiveness. Widely compatible with routine extrusion conditions for most rubbers and elastomers, it provides a highly reliable solution for general-purpose product manufacturing.
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