Plastic Twin Screw Extruder Plastic Pelletizing Extrusion Machine for PP TPE Material

Product Description

Product Description

 

Twin Screw Extruder Compounding & Pelletizing Solutions for PP and TPE Membrane Plate Applications

In the demanding world of membrane plate manufacturing, material performance is everything. Polypropylene (PP) provides the structural backbone-high strength, rigidity, and chemical resistance-while Thermoplastic Elastomer (TPE) delivers the flexibility, toughness, and elastic recovery essential for sealing and pressure-bearing applications. Achieving the optimal balance of these properties requires precision compounding and pelletizing. This is where our advanced co-rotating twin screw extruder becomes your most valuable production asset.

Superior Compounding Performance for Complex Formulations

PP and TPE are inherently incompatible polymers, making homogeneous dispersion a significant challenge. Our twin screw extruder, with its co-rotating intermeshing screw design, delivers exceptional distributive and dispersive mixing. The modular, building-block screw configuration allows you to customize the process-from conveying and melting to intense mixing and degassing-tailored specifically to your PP/TPE formulation. Whether you are compounding high-filler-content TPE (exceeding 30 phr), incorporating glass fiber reinforcement, or blending elastomeric modifiers like SEBS, our system ensures every additive is uniformly distributed. The result? Membrane plates with consistent mechanical properties, superior surface finish, and zero material segregation.

Precision Temperature Control and Material Integrity

TPE is thermally sensitive; excessive shear or overheating can cause degradation, resulting in discoloration, gel formation, and loss of elasticity. Our twin screw extruder features independently controlled heating and cooling zones along the barrel, maintaining precise temperature profiles (±1°C accuracy) to protect your material's integrity. The high torque capability allows efficient processing at lower screw speeds, reducing frictional heat while maintaining high output. This is particularly critical when processing TPE for membrane applications where elasticity and sealing performance are non-negotiable.

Advanced Degassing for Defect-Free Pellets

Moisture and volatiles are the enemies of quality membrane plate production. Our extruder is equipped with a powerful vacuum degassing system that efficiently removes moisture, low molecular weight components, and trapped gases from the melt. This ensures your pellets are free from voids, bubbles, and surface imperfections-directly translating to higher yields and fewer rejects in your downstream molding or extrusion processes.

Flexible Pelletizing Options for Every Production Scale

We understand that different applications demand different pelletizing methods. Our system supports strand pelletizing for its simplicity and versatility, water-ring pelletizing for high-volume production, and underwater pelletizing for TPE materials that require immediate cooling to prevent agglomeration. Underwater pelletizing, in particular, cuts molten polymer strands directly in a water chamber, producing perfectly spherical, dust-free pellets with uniform size and density-ideal for consistent feeding in membrane plate molding.

Unmatched Production Efficiency and Reliability

Our twin screw extruder is engineered for continuous, high-output operation with minimal downtime. The self-wiping screw profile eliminates stagnant zones and reduces material residence time, preventing degradation and facilitating rapid color or formulation changes. The modular barrel design allows quick access for maintenance and screw reconfiguration. With throughput capacities ranging from laboratory-scale 20 kg/h to industrial-scale 3,000 kg/h and screw diameters from 20 mm to 110 mm, we have a solution that fits your production volume.

Built for Durability in Demanding Environments

Membrane plate compounds often contain abrasive fillers like calcium carbonate or glass fiber. Our screws are manufactured from high-speed tool steel (W6Mo5Cr4V2) with vacuum hardening treatment (HRC 58-62), while our barrels feature bimetallic alloy liners (HRC 60-64) for exceptional wear resistance. This robust construction ensures long service life, reduced maintenance costs, and consistent performance over years of operation.

From Development to Production-Seamless Scale-Up

Our twin screw extruder is available in both laboratory and production configurations. The lab-scale system is ideal for formula development, small-batch sampling, and process optimization, with process parameters that can be directly replicated on our production-scale machines. This eliminates the guesswork and risk typically associated with scaling up new PP/TPE formulations.

Partner with Us for Your Success

Choosing the right compounding and pelletizing solution is the cornerstone of producing high-performance PP/TPE membrane plates. Our twin screw extruders combine decades of engineering expertise with cutting-edge technology to deliver superior mixing, precise temperature control, efficient degassing, and flexible pelletizing-all in one robust, reliable platform.

Contact us today to discuss your specific PP and TPE membrane plate requirements. Let us show you how our twin screw extruder can enhance your product quality, boost your production efficiency, and give you a competitive edge in the marketplace. Your success is our priority.

Series standard configuration products
1. Suitable for economical granulation units with low to medium output
2. The transmission box adopts optimized design made in China, with medium torque, strong load-bearing capacity and other operational performance
3. Adopting wear-resistant, high-precision screw components and cylinder bodies to ensure the stability of quality.
4. Optimize the configuration design of the entire unit according to customer requirements

Model Mode	Screw diameter mm	Length-to-diameter ratio LD	Screw speed RPM	Motor power KW	Specific torque Nm/cm ³	Yield kg/h
SHJ-S-20	21.7	32-48	600	4	4-6	2-15
SHJ-S-25	25.0	28-64	600	4-7.5	4-6	5-60
SHJ-S-35	35.6	28-64	400/600	15-18.5	4-6	30-80
SHJ-S-50	50.5	28-64	400/600	45-75	4-6	150-250
SHJ-S-65	62.4	28-64	400/600	75-110	4-6	250-300
SHJ-S-75	71.0	28-64	400/600	90-160	4-6	300-600
SHJ-S-95	92.4	28-64	400/600	132-280	4-6	900-1200
SHJ-S-135	133.0	28-48	400/500	550-750	4-6	2500-3500