What measures can be taken to extend the service life of PVC rollingfilm and avoid the adverse effects of high temperature? To extend the service life of PVC rollingfilm and avoid the adverse effects of high temperatures, the following measures can be taken:
The foundation of extending the service life of PVC rollingfilm lies in choosing high-quality PVC resins, plasticizers, and stabilizers. High-quality materials can improve the durability and heat resistance of the rolling film. Particularly, adding UV stabilizers and heat stabilizers can effectively resist the impact of ultraviolet rays and high temperatures.
Advanced production processes can enhance the physical properties and heat resistance of PVC rollingfilm. For example, biaxially oriented polypropylene (BOPP) process can increase the film’s strength and thermal stability. Controlling extrusion temperature and cooling speed ensures uniform distribution of the molecular structure, thereby improving the overall performance of the rolling film.
Incorporating anti-aging agents such as UV absorbers, antioxidants, and light stabilizers into the PVC formula can effectively delay aging caused by light exposure and high temperatures. Anti-aging agents can absorb harmful UV rays and prevent the breakdown of PVC molecular chains, thus extending the service life of the rolling film.
The storage environment has a significant impact on the service life of PVC rollingfilm. It should be stored in a cool, dry, and well-ventilated place, avoiding direct sunlight and high temperatures. The storage temperature should ideally be maintained between 15-25°C, with relative humidity controlled between 50-70%. For long-term storage, avoid tightly stacking the rolling film to prevent indentation and deformation.
When using PVC rollingfilm in high-temperature and strong light environments, sun protection measures can be taken. For instance, using shade nets, shade boards, or temporary shade shelters can reduce the time and intensity of sunlight exposure, thereby reducing thermal aging caused by high temperatures.
Regularly inspect the condition of the PVC rolling film, promptly identify and repair small damages and defects to prevent issues from escalating. When cleaning the rolling film surface, use mild detergents and soft cloths, avoiding corrosive or abrasive cleaning tools.
Select the appropriate thickness and specifications of PVC rollingfilm based on specific usage scenarios. Thicker PVC rollingfilm generally has better heat resistance and mechanical strength, making it suitable for high-temperature and heavy-load environments. However, economic cost and ease of use should also be considered to choose the most appropriate specifications.
How should the storage humidity of PVC rollingfilm be controlled?
PVC rollingfilm is a widely used material in industrial, commercial, and household applications, known for its chemical resistance, water resistance, electrical insulation, weather resistance, and low cost. However, humidity control during storage is a key factor in ensuring its quality and extending its lifespan. Below are detailed measures for humidity control during the storage of PVC rolling film.
To maintain PVC rolling film in optimal condition, the relative humidity of the storage environment should be kept between 50% and 70%. Excessive humidity can cause PVC film to absorb moisture and deform, while low humidity may make the film brittle. The following are specific methods for controlling humidity:
In areas or seasons with high humidity, using dehumidification equipment is crucial for controlling humidity in the storage environment. Placing dehumidifiers in the storage area can effectively reduce the humidity in the air, keeping it within the recommended range. Choose dehumidifiers with appropriate power according to the size of the storage space. Air conditioning not only adjusts temperature but also controls humidity. Choose air conditioning equipment with dehumidification function and operate it in dehumidification mode when humidity is high to ensure stable storage humidity.
To prevent environmental moisture from infiltrating PVC rolling film, sealing measures can be taken for storage. Wrap PVC rolling film with moisture-proof packaging materials such as moisture-proof bags or vacuum packaging to isolate moisture from the environment. Packaging materials should have good sealing and moisture-proof properties. Store PVC rolling film in a sealed storage room to reduce external moisture ingress. Desiccants such as silica gel or activated carbon can be placed in the storage room to further absorb excess moisture.
Real-time monitoring of storage environment humidity is an important step to ensure effective humidity control. Install humidity monitors in the storage area to monitor environmental humidity in real-time. Ensure that humidity is controlled within the appropriate range and adjust equipment promptly to maintain a stable humidity level. Regularly record changes in storage environment humidity to facilitate analysis and adjustment of storage conditions, ensuring humidity remains within the recommended range in the long term. Through data recording, trends in humidity changes can be tracked to promptly identify problems and take corresponding measures.
Proper ventilation in weather conditions with low humidity can reduce the humidity in the storage area. Maintaining appropriate air circulation in the storage area helps control humidity. Open ventilation equipment or utilize natural ventilation to effectively improve air quality and humidity conditions. Ventilate during periods of low humidity (such as early morning or evening) to avoid ventilation during periods of high humidity, preventing external moisture from entering the storage area.
Taking additional moisture-proof measures can further ensure the dryness of the storage environment. Place desiccants such as silica gel, activated carbon, or other moisture-absorbing materials in the PVC rolling film storage area. These materials can effectively adsorb moisture from the air, maintaining a dry storage environment. The ground of the storage area should be treated with moisture-proof measures, such as laying moisture-proof mats or using moisture-proof paint, to prevent rising ground moisture from affecting storage environment humidity.
During storage, avoid PVC rolling film from contacting materials and chemicals with strong moisture absorption. Avoid storing materials that are prone to moisture absorption, such as paper and fabric, in the storage area, as these materials absorb moisture from the air and release it into the environment, increasing humidity. The PVC rolling film storage area should be kept away from water sources such as water pipes, drains, and other potential leakage points to prevent accidental moisture ingress into the storage area.
Regularly inspect the storage environment and the condition of PVC rolling film to ensure the effectiveness of humidity control measures. Regularly inspect the condition of PVC rolling film, and promptly handle or replace any deformation or damage caused by humidity issues. Through regular inspections, problems can be detected early and appropriate corrective measures can be taken. Regularly evaluate the effectiveness of humidity control measures in the storage environment and make adjustments and improvements as necessary to ensure long-term stable storage conditions.
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