What is the maximum output of your production line?

The maximum output can reach 3,000 kg/h. Actual output may vary based on specific configuration and process requirements.

Which blowing agents are supported?

We support a wide range of blowing agents, including CO₂, ethanol, butane, DME, HFC, LPG, HFO, pentane, freon, etc. For the Russian market, we also provide solutions compatible with isobutane blends, with butane mixtures being generally recommended.

What is the density range of the products?

The typical density range is 24–50 kg/m³. Under specific process conditions, ultra-low densities of 21–22 kg/m³ can be achieved.

What is the maximum compressive strength?

The maximum compressive strength exceeds 1,200 kPa, meeting requirements for high-performance structural applications.

What is the available thickness range for XPS boards?

The thickness ranges from 10–200 mm, and custom sizes are available upon request.

What is the width range of the XPS foam boards?

The standard width is 600–1,200 mm. Non-standard widths can also be customized.

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PS Foam Floor Covering Production Line

Equipment & Product Overview: Fully Automatic PS Foamed Underlayment (Flooring Board) Production Line
Empowering You to Produce Highly Competitive, High-Quality PS Underlayment Boards
What is a PS Underlayment Board?
A PS Underlayment Board (also known as a floor heating leveling board) is a lightweight, high-strength panel manufactured primarily from polystyrene (PS) raw material through advanced foaming technology. Specifically designed to address modern floor construction challenges, it serves as an ideal auxiliary material for underfloor heating systems or a high-quality base layer for wooden floors, SPC/Vinyl floors. It delivers efficient leveling, superior thermal insulation, enhanced soundproofing, and improved underfoot comfort, making it an essential new eco-friendly material in the building and renovation sector.

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An Industry-Leading Intelligent Manufacturing Solution
Our Fully Automatic PS Foamed Underlayment Production Line is the complete turnkey solution professionally designed to manufacture this high-performance product. Integrating two core innovative technologies, this line ensures the end products you produce hold overwhelming market advantages in safety, cost, environmental compliance, and performance.

Collaborative Partners

Why Choose MXZ Co2 XPS Lines

Partner with Us for Mutual Success
We are more than equipment suppliers - we are your trusted technology partners. Let our market-proven mature technologies and comprehensive service system help you build enduring competitive advantages in the PS underlayment sector.

Industry Benchmark in Domestic PS Foaming Technology

With over a decade of specialization in PS foaming technology, we pioneered the industrial-scale maturation of CO₂ foaming technology in China. Our deep understanding of local market conditions and raw materials enables us to deliver optimized solutions specifically designed for China's manufacturing environment.

Independently Developed Dual-Technology System

We possess fully independent intellectual property rights for our integrated "CO₂ foaming + secondary foaming" dual-process system. This market-proven technological combination ensures your products achieve industry-leading standards in density control, cell structure, and strength performance, delivering exceptional market competitiveness.

Continuous Technological Evolution

We have established a comprehensive technology iteration mechanism, ensuring you receive not only the most mature current solution but also a production platform with continuous upgrade capabilities. Choosing us means your production technology will always remain at the industry forefront.

Deeply Customized Cost Optimization

Leveraging our extensive knowledge of domestic supply chains, we provide comprehensive cost optimization covering raw material adaptation, process adjustment, and equipment selection - ensuring maximum return on investment while achieving your technical objectives.

Extensive Domestic Service Network

With service centers established in major industrial clusters across China, supported by professional technical teams, we deliver full-spectrum support from installation and commissioning to production guidance, maintaining your production line at optimal performance.

Proven Project Implementation Expertise

Drawing from successful implementations in multiple key domestic projects, we have accumulated substantial localized production data and process parameters, providing reliable, field-verified solutions that significantly reduce project commissioning risks.

Product Features and Models

We focus on the continuous innovation of PS underlayment production technology, seamlessly integrating innovative CO₂ foaming technology with advanced secondary foaming processes to deliver industry-leading production solutions. We provide not only stable and reliable equipment, but complete turnkey projects that balance exceptional environmental performance with outstanding economic returns.
Leveraging extensive experience from successful collaborations with global clients, our engineering team deeply understands your individualized needs. From core foaming process configuration to overall production line layout, we create tailored optimal solutions to ensure maximum production efficiency and investment returns. Whatever your requirements for product performance and capacity, we can provide intelligently matched production lines to help you gain a competitive edge in the market.

Extensive and Flexible Configuration Options:

Board Thickness: 1-5 mm
Board Width: 600 - 1400 mm
Throughput Capacity: 300 -500 kg/h

Model	Throughput (kg/h)	Transformer Required	Reference Size（m）
65-150	300~350 KVA	280 KVA	50126
75-150	400~500 KVA	320 KVA	50126

Core Design Features

Dedicated High-Efficiency Screw Design: Utilizes a specialized screw with deep flights and a large length-to-diameter ratio, optimized for the viscosity changes of the material after CO₂ injection, providing powerful conveying, shearing, and mixing capabilities.
Ensures molecular-level uniform mixing of the PS melt and CO₂, laying a solid foundation for the subsequent secondary foaming and fundamentally guaranteeing the consistency of the slab density.

CO2 injection and homogenization unit for PS foam underlay extrusion line precise metering

Corrosion-Resistant Alloy Barrier Section: The melting section of the screw is made from special corrosion-resistant alloy, effectively resisting acidic substances produced by the decomposition of CO₂ under high temperature and pressure.
Significantly extends the service life of the screw, avoids downtime caused by corrosion, and ensures continuous and stable production.

Precise CO₂ Injection and Homogenization System: Integrates a supercritical CO₂ metering and injection unit, achieving ultra-uniform dispersion of CO₂ within the PS melt through multi-stage dispersion and mixing elements.
A precise temperature control system (±1°C) ensures stable melt conditions, representing the technological core for achieving a high 40% CO₂ injection rate and maintaining process stability.

Intelligent Control System: Equipped with an independent PLC control system that monitors and automatically adjusts screw speed, zone temperatures, melt pressure, and CO₂ injection volume in real-time.
Seamlessly integrates with the production line's main control system, enabling one-touch start/stop, parameter recording, and fault alarm functions for easy operation and maintenance.

PLC control cabinet for PS foam floor covering production line smart parameter monitoring

Unwinding & Rewinding System for Gas Release

Our unwinding and rewinding system is strategically integrated between the initial sheeting and secondary foaming stages. Its primary purpose is to manage the rolled material to facilitate the efficient release of internal gases—a critical preparation step that ensures optimal and uniform expansion during the secondary oven foaming process.

Key Operational Advantages:

Controlled Gas Desorption: The system unwinds the initially foamed sheet in a controlled manner, allowing the CO₂ and other blowing agents trapped within the cellular structure to begin desorbing evenly. This prevents the formation of large, uneven bubbles and promotes a consistent cell structure in the final product.

Process Synchronization: It acts as a vital buffer, seamlessly connecting the continuous extrusion process with the batch-oriented secondary foaming stage. This synchronization ensures a smooth material flow, maximizes line efficiency, and prevents bottlenecks.

Preparation for Subsequent Lamination: Following the gas release phase, the rewinding unit neatly recoils the material. This creates a tightly wound, manageable roll that is perfectly prepared for the next downstream process, such as lamination with other layers or packaging.

Precision Secondary Foaming Oven

Our secondary foaming oven serves as the core molding equipment in the PS underlayment production line, specifically designed to apply precise heat treatment to the initially foamed sheets after gas release. Through accurate temperature control and air velocity management, it reactivates the blowing agents within the sheet, achieving perfect secondary expansion and final setting. This process ultimately forms the finished board with a stable, high-strength closed-cell structure.

Core Design Features:

Unwinding and rewinding system for PS foam sheet gas release before secondary foaming

Uniform and Efficient Heating System: Utilizes multi-zone independently controlled heating units combined with a forced convection circulation system, ensuring stable and uniform hot air flow within the oven.
Guarantees consistent heating across the width and length of the sheet, fundamentally eliminating issues like deformation, shrinkage, or foaming density variations caused by localized heat unevenness.

Precise Temperature Control and Synchronized Conveyance: Equipped with high-precision temperature sensors and an intelligent PID control system, maintaining the operating temperature stably within the required process range (control accuracy up to ±1.5°C).
The conveyor speed intelligently matches the temperature profile, ensuring each section of the sheet completes the foaming and curing process according to the preset optimal parameters.

Optimized Air Velocity and Pressure Design: The air ducts are optimized using Computational Fluid Dynamics (CFD), enabling uniform air velocity and pressure across the entire working width.
This uniform heat exchange environment is crucial for forming a uniform, dense cellular structure and is key to achieving high compressive strength and excellent dimensional stability in the product.

User-Friendly Operation and Intelligent Monitoring: Integrated into the production line's main control system, allowing operators to monitor the temperature, air velocity, and conveyor status of each zone in real-time.
Features process parameter storage and recall functions, supporting quick switching between different product recipes, and is equipped with a safety alarm system to ensure operational safety.

Precision Secondary Foaming Oven

Our secondary foaming oven serves as the core molding equipment in the PS underlayment production line, specifically designed to apply precise heat treatment to the initially foamed sheets after gas release. Through accurate temperature control and air velocity management, it reactivates the blowing agents within the sheet, achieving perfect secondary expansion and final setting. This process ultimately forms the finished board with a stable, high-strength closed-cell structure.

Core Design Features:

Uniform and Efficient Heating System: Utilizes multi-zone independently controlled heating units combined with a forced convection circulation system, ensuring stable and uniform hot air flow within the oven.
Guarantees consistent heating across the width and length of the sheet, fundamentally eliminating issues like deformation, shrinkage, or foaming density variations caused by localized heat unevenness.

Precise Temperature Control and Synchronized Conveyance: Equipped with high-precision temperature sensors and an intelligent PID control system, maintaining the operating temperature stably within the required process range (control accuracy up to ±1.5°C).
The conveyor speed intelligently matches the temperature profile, ensuring each section of the sheet completes the foaming and curing process according to the preset optimal parameters.

Optimized Air Velocity and Pressure Design: The air ducts are optimized using Computational Fluid Dynamics (CFD), enabling uniform air velocity and pressure across the entire working width.
This uniform heat exchange environment is crucial for forming a uniform, dense cellular structure and is key to achieving high compressive strength and excellent dimensional stability in the product.

User-Friendly Operation and Intelligent Monitoring: Integrated into the production line's main control system, allowing operators to monitor the temperature, air velocity, and conveyor status of each zone in real-time.
Features process parameter storage and recall functions, supporting quick switching between different product recipes, and is equipped with a safety alarm system to ensure operational safety.

Fully Automatic Folding Machine

As the final process equipment in the PS underlayment production line, our fully automatic folding machine is specifically designed to efficiently and neatly handle the laminated boards. Through precise Z-folding, it converts large-format finished boards into compact, orderly stacks, significantly optimizing subsequent packaging, storage, and logistics efficiency.

Core Design Features:

Conveyor type secondary foaming oven for PS foam sheet stable thickness and density control

Precision Positioning and Guidance System: Equipped with high-precision photoelectric sensors and mechanical stops to ensure each board enters the folding machine in the correct position.
Adjustable width guide channel design enables quick adaptation to boards of different sizes.

High-Efficiency Z-Folding Execution Mechanism: Folding arms driven by servo motors ensure accurate and smooth movements, guaranteeing clear fold lines and consistent positioning with each operation.
Adjustable folding angle and pressure can be optimized according to the thickness and characteristics of different boards, preventing damage or rebound.

Synchronous Conveying and Counting Stacking System: Folded boards are conveyed by synchronized belts and automatically stacked.
Integrated automatic counting function can signal or pause when the preset stack quantity is reached, facilitating bundling or packaging.

Intelligent Control and Seamless Integration: Deeply integrated with the production line's main control system for automatic speed matching.
Touchscreen interface allows easy setting of folding patterns, stack quantities, and other parameters, with real-time production status display.

Core Technological Highlights

We don't just provide equipment - we define new industry technological standards. Three core technologies build a triple protective barrier for you in safety, cost reduction, and quality enhancement.

Highlight 1: Exclusive High-Ratio CO₂ Injection Technology - A Revolution in Safety and Cost

Technical Essence: Successfully achieves approximately 40% carbon dioxide usage as a physical blowing agent. This exclusive Chinese technology represents a major breakthrough in the PS foaming sector.

Intrinsic Safety: Large-scale replacement of flammable blowing agents with non-flammable CO₂ eliminates workshop explosion risks at the source, elevating safety standards to an entirely new level.

Plummeting Costs: CO₂ is significantly cheaper than various chemical blowing agents, leading to a precipitous drop in raw material costs for blowing agents, delivering ultimate cost competitiveness.

Green Compliance: Near-zero VOC emissions give the product inherent green and eco-friendly characteristics, seamlessly complying with the most stringent environmental regulations.

Highlight 2: Precision Oven-Based Secondary Foaming Technology - The Foundation of Performance and Quality

Technical Essence: Utilizes precision tunnel oven heating for secondary foaming. Through accurate temperature control and conveyor timing, the initially foamed slab undergoes perfect secondary expansion and curing/setting in a controlled environment.

Superior Structure: Uniform heat penetration ensures the product develops a uniform, dense, high closed-cell content perfect cellular structure, eliminating defects.

Multiplying Strength: Panels fully cured and set exhibit excellent dimensional stability, significantly enhanced compressive strength, and toughness, effectively preventing later deformation.

Efficient & Stable: Assembly-line heat treatment offers extremely strong process controllability, stable production rhythm, and consistent product quality, ensuring continuous large-scale production.

Highlight 3: Intelligent Self-Adapting Process Control System - The Guarantee of Stability and Ease of Use

Technical Essence: The central intelligent control system seamlessly integrates, providing fully automatic precise regulation of key parameters such as oven temperature, air flow, and conveyor speed.

Simplified Operation: One-button start-up; the system automatically matches the optimal baking curve, significantly reducing reliance on skilled workers.

Consistent Quality: Fully digitalized process monitoring effectively counteracts external disturbances, ensuring consistent and uniform performance for every single panel, inside and out.

Energy Efficiency: Intelligent thermal management maximizes heat utilization efficiency, achieving the perfect balance between high quality and low energy consumption.

Applications

Versatile PS Underlayment Boards for Modern Construction

Our PS underlayment boards, produced with advanced CO₂ foaming and secondary foaming technology, offer superior performance characteristics that meet the demanding requirements of various modern construction and renovation scenarios. They provide an ideal combination of lightweight design, exceptional thermal insulation, effective sound dampening, and reliable load distribution.

Primary Application Areas:

Fully automatic Z folding machine for laminated PS underlayment boards stacking and packaging

Stacked PS underlayment boards for radiant floor heating and floating floor installation applications

Radiant Floor Heating Systems: As an essential insulating layer beneath heating pipes, our boards significantly reduce downward heat loss, directing warmth efficiently into the living space.
This application ensures faster heating times, lower energy consumption, and enhanced overall system efficiency for residential, commercial, and institutional buildings.

Floating Floor Installations: Serves as the perfect underlayment for laminate, engineered wood, LVT (Luxury Vinyl Tile), and SPC (Stone Plastic Composite) floors.
Effectively compensates for minor subfloor irregularities, provides a comfortable underfoot feel, dampens impact noise (like footsteps), and improves thermal insulation.

Commercial & Industrial Flooring: Ideal for use under raised access floors in offices, data centers, and control rooms, where thermal and acoustic management are crucial.
Its high compressive strength makes it suitable for use in warehouses and light industrial settings, protecting floor coverings and contributing to a more stable substrate.

Renovation & Retrofitting Projects: The lightweight and easy-to-install nature of our boards makes them perfectly suited for renovation projects where adding insulation and creating a level surface are key objectives without significantly increasing floor height or structural load.

Updates of MXZ Machinery

As One of The Earliest Pioneers in The XPS Extrusion Machine Industry in China.
2025-08-30

Mingxin Zhi Machinery, established in 2006, has become the leading enterprise in China's XPS extrusion machine industry. As one of the earliest pioneers in the XPS extrusion machine industry in China, we have consistently adhered to the business philosophy of "craftsmanship, innovation, and integrit Read More
Join Us on Our Journey of Innovation And Excellence in The World.
2025-08-30

At Zhangjiagang Mingxin Zhi Machinery Co., Ltd., we offer more than just machinery. we provide solutions. Our expert team works closely with customers to understand their unique needs and challenges. Whether it's the icy landscapes of Moscow, the scorching heat of Cairo, the war-torn regions needin Read More
Mingxin Zhi Boasts An Exceptional R&D And Production Team.
2025-08-30

Mingxin Zhi boasts an exceptional R&D and production team. Looking back at the history of our production line innovations reflects the advancements in China's polystyrene foam extrusion technology. Our products are renowned for their efficiency and reliability, offering unparalleled precision in the Read More

Frequently Asked Questions (FAQ)

Q What is the maximum output of your production line?

A The maximum output can reach 3,000 kg/h. Actual output may vary based on specific configuration and process requirements.
Q Which blowing agents are supported?

A We support a wide range of blowing agents, including CO₂, ethanol, butane, DME, HFC, LPG, HFO, pentane, freon, etc. For the Russian market, we also provide solutions compatible with isobutane blends, with butane mixtures being generally recommended.
Q What is the density range of the products?

A The typical density range is 24–50 kg/m³. Under specific process conditions, ultra-low densities of 21–22 kg/m³ can be achieved.
Q What is the maximum compressive strength?

A The maximum compressive strength exceeds 1,200 kPa, meeting requirements for high-performance structural applications.
Q What is the available thickness range for XPS boards?

A The thickness ranges from 10–200 mm, and custom sizes are available upon request.
Q What is the width range of the XPS foam boards?

A The standard width is 600–1,200 mm. Non-standard widths can also be customized.

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PS Foam Floor Covering Production Line

Collaborative Partners

Why Choose MXZ Co2 XPS Lines

Product Features and Models

Core Design Features

Unwinding & Rewinding System for Gas Release

Precision Secondary Foaming Oven

Precision Secondary Foaming Oven

Fully Automatic Folding Machine

Core Technological Highlights

Applications

Versatile PS Underlayment Boards for Modern Construction

Updates of MXZ Machinery

Frequently Asked Questions (FAQ)

Q What is the maximum output of your production line?

Q Which blowing agents are supported?

Q What is the density range of the products?

Q What is the maximum compressive strength?

Q What is the available thickness range for XPS boards?

Q What is the width range of the XPS foam boards?

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