Introduction to PVC Soft Film Blown Film Machine
In today’s competitive market, producing high-quality PVC films efficiently and reliably is essential across multiple industries. A PVC soft film blown film machine is a specialized piece of equipment designed for the extrusion and inflation of molten PVC resin into soft, durable films. Widely used in packaging, construction, agriculture, healthcare, and industrial sectors, these machines deliver exceptional performance in manufacturing premium plastic films.
If you are seeking a high-efficiency solution to boost your PVC film production, learn more about our full range of blown film machines tailored to meet diverse production needs.
Key Features and Advantages
Material Compatibility
The machine is primarily designed for processing polyvinyl chloride (PVC) materials, ensuring optimal film quality and flexibility for various applications.
Structural Optimization
Engineered with a robust base, parallel installation plates, and an optimized screw extruder, the structure enhances plasticizing efficiency and overall production performance.
Production Efficiency
By employing advanced extrusion and blowing techniques, the machine ensures high mechanical strength, excellent film toughness, and minimal production waste. Optional IBC (Internal Bubble Cooling) systems can increase output by 30%-40%.
Easy Operation and Maintenance
With a user-friendly interface and modular design, operators can easily adjust production parameters, change film specifications, and maintain the equipment with minimal downtime.
Multi-Functional Capabilities
The equipment can produce a variety of soft PVC films, including shrink films, labeling films, and protective packaging films. The machine allows adjustable longitudinal and transverse shrinkage rates, ensuring printed patterns remain intact.
Applications Across Industries

Food Packaging
Soft PVC films produced by blown film machines are ideal for food packaging, such as heat-resistant bags, sealing films for plastic cups, bread bags, self-adhesive cookie bags, and freshness-keeping bags, helping extend product shelf life.
Construction and Decoration
In the construction sector, PVC soft films are used for windows, skylights, curtains, and decorative ceiling membranes, enhancing insulation and lighting efficiency while promoting energy conservation.
Agriculture
PVC films are essential in agriculture for greenhouse coverings and ground films, helping regulate internal temperature and humidity, protecting crops, and improving yields.
Healthcare
Medical applications include producing waste disposal bags, sample collection bags, pharmaceutical bags, and disposable aprons, utilizing the film’s excellent barrier properties to ensure hygiene and prevent cross-contamination.
Transportation and Logistics
PVC films are used for bubble wraps, protective covers, and tamper-evident bags, ensuring goods are safely transported without damage.
Household Applications
Common household uses include ziplock bags, garbage bags, disposable tablecloths, and gloves, offering convenience and efficiency for everyday tasks.
Industrial Manufacturing
PVC soft film blown film machines also produce industrial hoses, cable sheaths, and protective membranes used across chemical, electronics, and electrical industries.
Explore more applications with our PVC blown film machines.
PVC Soft Film Blown Film Machine Production Process

- Raw Material Mixing and Melting
PVC resin and additives (such as antistatic agents, UV stabilizers, and fillers) are uniformly mixed and melted inside the extruder, creating a homogenous molten plastic. - Extrusion and Inflation
The molten PVC is extruded through a ring-shaped die head, forming a tubular film bubble. Compressed air inflates the bubble to the desired size and thickness. - Bubble Stabilization and Cooling
The inflated film bubble is stabilized using a bubble cage and cooled rapidly, often with an internal cooling system (IBC) to ensure uniform thickness and superior quality. - Bubble Flattening and Film Formation
The stabilized bubble passes through nip rollers, flattening into double-layer films while maintaining consistent thickness. - Film Winding
The finished film is drawn through a traction system and wound into rolls, synchronized precisely to prevent stretching or deformation.
By precisely controlling temperature, pressure, and extrusion speed, the PVC soft film blown film machine ensures high-quality film production suitable for a wide range of applications.
Finished Film Properties
- Mechanical Strength: High tensile strength and excellent puncture resistance.
- Airtightness and Barrier Properties: Effective against air and water vapor, offering superior moisture-proof and freshness-preserving capabilities.
- Thickness Uniformity: Consistent film thickness achieved through precision controls.
- Transparency and Gloss: Excellent optical properties enhance product appearance.
- Heat Shrinkability: Certain PVC films exhibit heat shrink properties, enabling tight packaging.
- Printability and Softness: Soft PVC films are easy to weld, print, and process.
- Durability and Aging Resistance: With appropriate additives, films exhibit outstanding low-temperature flexibility and UV resistance, ensuring a longer service life.
Why Choose Our PVC Soft Film Blown Film Machine?
- Tailored Solutions: Machines adaptable to different production scales, from small laboratory models to full-scale industrial lines.
- High Efficiency: Increased output with lower energy consumption and minimal material waste.
- Superior Film Quality: Enhanced mechanical properties and perfect thickness control.
- Comprehensive Support: Technical assistance, training, and after-sales services ensure a seamless production experience.
Ready to upgrade your production line? Contact us for customized PVC film production solutions today.

Conclusion
A PVC soft film blown film machine offers a reliable and efficient solution for producing premium PVC films across various industries. With high tensile strength, excellent airtightness, customizable thickness, and outstanding versatility, it remains the ideal choice for manufacturers aiming for superior product quality and operational efficiency.
Whether for packaging, construction, agriculture, healthcare, or industrial manufacturing, our advanced blown film machines are engineered to meet your specific needs.
Get in touch with our team and elevate your PVC film production to the next level.