During the Minor Heat season, Shanghai Jinci Industrial adheres to the quality of polypropylene filament!

The Minor Heat has arrived. The scorching sun pours down without reservation, and the air is filled with a damp atmosphere. The high temperature and humidity interweave into an invisible net, enveloping all things in the world. During such seasons, the production and performance of numerous industrial products are subject to severe tests. However, the polypropylene filament of Shanghai Jinci Industrial Co., Ltd. has continued to shine in this special climate, thanks to its excellent craftsmanship and superior properties.

Polypropylene filament, scientifically known as polypropylene fiber, the first step in its production is the strict screening of raw materials. Shanghai Jinci Industrial selects high-purity polypropylene resin as the basic raw material. These resins need to undergo multiple tests to ensure that there are very few impurities and the molecular structure is regular and orderly. During the Minor Heat period, the air humidity rises sharply, and polypropylene resin is highly prone to absorbing moisture and getting damp, which can affect subsequent production. To this end, the company has meticulously created a professional warehousing environment, using advanced temperature and humidity control equipment to maintain the humidity inside the warehouse within an appropriate range, eliminating performance fluctuations caused by moisture in raw materials and laying a solid foundation for the birth of high-quality polypropylene filament.

When entering the production stage, the molding of polypropylene filament needs to go through multiple precise procedures. The first stage is the melting phase, where polypropylene resin is transformed into a uniform melt in a high-temperature furnace. This process is extremely crucial for temperature control, and it is usually necessary to precisely maintain the temperature at 260-290 °C. During the Minor Heat period, high external temperatures pose a significant challenge to the heat dissipation of equipment. If heat dissipation is not timely, the melt temperature will get out of control, affecting product quality. Shanghai Jinci Industrial, with its advanced intelligent temperature control system, can monitor and flexibly adjust the temperature of the furnace in real time. Even under the scorching sun outdoors, it can ensure that the melt is always in the best condition.

After being precisely measured, the melt is extruded through the spinneret to form extremely fine filaments. The spinneret can be regarded as the "precision heart" of the entire production process, and the processing accuracy of its spinneret holes directly determines the quality of the filament. Shanghai Jinci Industrial Co., Ltd. adopts top-notch processing techniques to control the size error of the spinephole holes within the micrometer level, ensuring that each extruded filament is of uniform thickness and stability. In the high-humidity environment of Minor Heat, to prevent the filament from malfunctioning due to moisture interference, the company ingeniously installed a dry gas protection device in the spine-spinning area, optimized the internal airflow environment, and fully ensured the stable extrusion of the filament.

After the filament is extruded, it enters the cooling and molding stage. In this stage, the side-blowing air cooling system plays a core role. The high temperature during Minor Heat significantly increases the difficulty of cooling. If the cooling is uneven, the filament is very likely to have quality defects. Shanghai Jinci Industrial precisely regulates the wind speed, temperature and direction of the cooling air, stabilizing the air temperature at 12-16 °C and maintaining the wind speed at 0.1-0.3m /s to ensure that the filament cools and solidifies rapidly and evenly, forming a structurally stable primary polypropylene filament. Even in the face of the continuous high-temperature impact of Minor Heat, the cooling system can always ensure that the quality of fiber forming is not affected through intelligent adjustment.

The subsequent stretching, winding and other processes should not be ignored either. The high temperatures during Minor Heat can easily cause operational deviations in equipment components due to thermal expansion and contraction, affecting production accuracy and efficiency. Shanghai Jinci Industrial selects high-quality materials that are resistant to high temperatures and wear to manufacture key components of its equipment. At the same time, it strengthens the daily inspection and maintenance of the equipment to ensure its stable operation. During the stretching process, the temperature and tension are strictly controlled to promote the highly oriented molecular chains of the fibers, significantly enhancing the strength and modulus of the polypropylene filament. The winding process precisely controls the speed and tension to form a tight and regular filament cake, which is convenient for subsequent storage and processing.

The polypropylene filament produced by Shanghai Jinci Industrial Co., Ltd. shows its performance advantages even more prominently in harsh weather conditions like Minor Heat. It has extremely low hygroscopicity and can always remain dry in a humid environment. When used in the production of outdoor ropes, sunshades and other products, it will not lose strength due to water vapor erosion and can maintain a good usage condition for a long time. The combination of strength and elasticity is reasonable. After subsequent processing into various fabrics, they are not prone to deformation due to external forces in high-temperature environments, ensuring the durability of the products. Its excellent weather resistance makes it unaffected by the intense ultraviolet radiation during Minor Heat. It has stable performance, is not prone to aging or fading, and is widely used in outdoor fields such as agricultural covering and building protection.

In terms of application scenarios, polypropylene filament demonstrates strong applicability due to its own characteristics. In the textile field, when blended with other fibers, the summer clothing fabric made from it combines the breathability and lightness of polypropylene filament with the characteristics of other fibers, significantly enhancing the wearing comfort. In industrial production, the filter cloth processed and made can stably perform its filtering function in a humid and hot environment, ensuring the smooth progress of the production process. In the packaging industry, its excellent flexibility and strength make it an ideal material for making various types of strapping bands, effectively meeting the demands of logistics transportation during the Minor Heat period.

During the Minor Heat period, Shanghai Jinci Industrial Co., Ltd. has meticulously crafted and strictly controlled the entire production process of polypropylene filament, ensuring that its products maintain outstanding performance even in harsh weather conditions. This provides solid and reliable material support for numerous industries, demonstrating its profound technical background and professional strength in the field of polypropylene filament production.