Blue Polar PVC Strip Curtains Factory and Suppliers in China for Cold Storage
Our Flat and Blue Polar PVC Curtains (200mm) are engineered specifically for extreme low-temperature environments, providing an exceptional thermal barrier for cold storage, freezers, and refrigerated warehouses. By combining high-grade polar PVC polymers with a specialized blue tint, these curtains ensure maximum temperature retention while maintaining critical visibility and safety standards in industrial settings.
Designed to eliminate the energy waste associated with traditional doors, these cryogenic soft curtains allow seamless movement of personnel and equipment without compromising the internal climate. Whether you are managing a logistics hub or a food processing plant, our polar-grade PVC strips offer a durable, flexible, and cost-effective solution to minimize heat gain and optimize operational efficiency.
Detailed Parameters
| Brittle Point | Approx -45°C (Cold Formula) | Hardness (Shore A) | 65 ± 5 |
|---|---|---|---|
| Falling Ball Test | -40°C to -50°C (No Break) | Flexibility Test | -40°C to -50°C (No Break) |
| Water Absorption | 0.20% | Tensile Stress | 420% |
| Rupture Resistance | > 2 N/mm | Reaction to Fire | Self-extinguishing |
| Light Transmission | > 80% | Airborne Insulation | ~35dB |
Key Advantages
Extreme Cold Resistance
Specially formulated to remain flexible at temperatures as low as -45°C, preventing cracking and brittleness in deep-freeze environments.
Energy Efficiency
Significantly reduces heat loss and energy consumption by providing a continuous thermal seal compared to traditional doors.
High Transparency
Ultra-clear blue tint ensures maximum visibility for forklift drivers and staff, enhancing workplace safety and productivity.
Superior Insulation
Provides effective airborne insulation of ~35dB, reducing noise pollution and maintaining a stable internal temperature.
Fire Safety
Engineered with self-extinguishing properties, ensuring the curtains do not support combustion in case of fire emergencies.
Fully Customizable
Available in various widths (150-500mm) and thicknesses (1.0-5.0mm) to fit any doorway dimension perfectly.
Product Gallery
Management Platforms
Precision Cutting
Advanced CNC cutting ensures every strip is exactly 200mm, providing a seamless overlap for maximum sealing.
Quality Assurance
Strict adherence to brittle point and tensile stress testing ensures performance in the harshest climates.
Custom Hardware
Compatible with SUS 304 stainless steel or galvanized iron hangers for corrosion resistance.
Thermal Optimization
Strategic material layering to optimize the balance between flexibility and thermal insulation.
Bulk Supply Chain
20 years of manufacturing expertise ensuring stable lead times and consistent material quality.
Professional Installation
Technical guidance provided for European or Chinese style hanging systems to ensure a perfect fit.
Investment Return Comparison
| Feature | Traditional Solid Door | Polar PVC Strip Curtain |
|---|---|---|
| Energy Loss | High (every time opened) | Very Low (self-closing) |
| Traffic Flow | Slow (manual open/close) | Fast (walk-through) |
| Visibility | Zero (blocked view) | High (transparent) |
| Installation Cost | Expensive / Permanent | Economical / Flexible |
| Cold Chain Stability | Frequent Fluctuations | Highly Stable |
Frequently Asked Questions
Standard PVC strips may become brittle and crack in freezing temperatures. Polar PVC is specially formulated with a "Cold Formula" to remain flexible and durable down to -45°C, making them essential for freezers.
Yes, we offer full customization. Widths are available from 150mm to 500mm, and thicknesses range from 1.0mm to 5.0mm to suit your specific facility requirements.
The blue tint provides a visual cue that helps workers identify the curtain's presence more easily than fully transparent strips, reducing accidental collisions while maintaining high visibility.
For humid or food-grade environments, we strongly recommend SUS 304 stainless steel hangers as they offer superior corrosion resistance compared to galvanized iron.
They act as a thermal barrier that allows people and products to pass through without letting the cold air escape or warm air enter, reducing the load on your refrigeration system.
Depending on traffic volume and maintenance, our high-quality Polar PVC strips are designed for long-term industrial use, resisting rupture and maintaining flexibility for several years.


