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Composite Polymer Waterproof Membrane Production Line
A composite polymer waterproof membrane production line is an automated system designed to manufacture multi-layer composite polymer waterproof membranes. It is characterized by high efficiency, environmental friendliness, and superior product performance. Below is a detailed introduction to the production line:
I. Main Components of the Production Line
1. Raw Material Processing System
Automatic Dosing System: Precisely measures polymer resins (e.g., PVC, TPO, EPDM), plasticizers, stabilizers, fillers, and other raw materials.
Mixing Equipment: High-speed mixer or internal mixer ensures uniform blending of raw materials.
Drying System : Removes moisture from raw materials to prevent bubble formation during production.
2. Extrusion Molding System
Multi-layer Co-extrusion Extruder: The core equipment, typically consisting of 2-3 extruders, each extruding different functional layers (e.g., base layer, reinforcement layer, adhesive layer).
T-Die: Extrudes molten material into sheets, with thickness controlled by calendering rollers.
Lamination Unit: Combines multiple layers through heat pressing or adhesives (e.g., polymer layer + polyester fiber mesh or non-woven fabric).
3. Forming & Cooling System
Calendering Rollers: Precisely control surface smoothness and thickness.
Cooling Water Tank/Rollers: Rapid cooling for shape stabilization, preventing deformation.
4.Reinforcement Layer Processing System (Optional)
Mesh Cloth Laying Machine: Automatically embeds polyester or fiberglass mesh to enhance tensile strength.
Pre-impregnation Unit: Ensures stronger bonding between the reinforcement layer and polymer material.
5. Surface Treatment System
Coating Machine: Applies anti-adhesive layers (e.g., fine sand, PE film) or functional coatings (e.g., UV-resistant layer).
Embossing Device: Adds surface texture for improved anti-slip performance during installation.
6. Traction & Cutting System
Automatic Traction Unit: Maintains consistent tension for dimensional stability.
Online Inspection System: Monitors thickness, density, and other parameters in real time.
Slitting Machine: Cuts the membrane to required widths (typically 1-2 meters).
Winding Machine: Automatic coiling, with optional weighing and labeling functions.
7. Automated Control System
PLC Control: Integrates temperature, speed, and pressure adjustments.
HMI (Human-Machine Interface): Visualized operation with data logging and fault alarms.
II. Core Production Process
1. Raw Material Preprocessing → 2. Multi-layer Co-extrusion → 3. Reinforcement Layer Lamination → 4. Calendering & Forming → 5. Cooling & Setting → 6. Surface Treatment → 7. Cutting & Winding → 8. Quality Inspection & Packaging
III. Product Features (e.g., TPO/PVC Membranes)
Multi-layer Structure: E.g., "polymer layer + reinforcement layer + adhesive layer," combining tensile strength, puncture resistance, and bonding performance.
High Performance: Weather resistance (-40ºC to 80ºC), UV resistance, and chemical corrosion resistance.
Eco-friendly: Asphalt-free and recyclable.
Easy Installation: Compatible with hot-air welding or self-adhesive application.
| Model | Single screw series | Same direction parallel twin screw series | Conical twin screw series |
| Raw material | PE | TPO | PVC |
| Products width(mm) | 1000-4000 | 1000-2000 | 2000 |
| Products thickness(mm) | 0.5-3 | 0.5-3 | 0.5-3 |
| Capacity(kg/h) | 1000-2000 | 1500-2500 | 1000-2000 |
Applications of Composite Polymer Waterproof Membranes
1.Construction Engineering
Roof waterproofing: Used for flat or sloped roofs with excellent weather resistance.
Basement waterproofing: Prevents moisture and groundwater infiltration.
Subway/underground utility tunnels: Long-term waterproofing for harsh underground conditions.
2.Transportation Infrastructure
Tunnel waterproofing: Prevents water leakage and enhances durability.
Bridge deck waterproofing*: Protects against corrosion and water damage.
Highway subgrade waterproofing: Extends service life of roadbeds.
3.Water Conservancy Projects
Reservoirs/dams: Prevents seepage and ensures structural stability.
Sewage treatment tanks: Resists chemical corrosion and leakage.
4.Environmental Protection
Landfill liners: Acts as a barrier to prevent soil contamination.
Artificial lakes/landscape ponds: Eco-friendly and durable.
5. Industrial Applications
Chemical plants: Resistant to acids and alkalis for floor/wall protection.
Grain storage/cold storage: Prevents moisture and mold growth.
Key Advantages
1.High Strength & Durability
2.Eco-friendly & Recyclable
3.Easy Installation
4.Suitable for Extreme Climates
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