What is the production process of polypropylene industrial silk?

The production process of polypropylene industrial silk usually includes the following main steps:

Raw material preparation: Select high quality polypropylene resin as raw material to ensure its good performance and purity. At the same time, according to the need to add appropriate additives, such as antioxidants, ultraviolet stabilizer, etc., to improve the performance and stability of the fiber.

Melt extrusion: polypropylene resin is heated to a molten state and extruded into filaments by a screw extruder. During the extrusion process, parameters such as temperature, pressure and extrusion speed need to be controlled to ensure the quality and stability of the fiber.

Cooling curing: The extruded filamentous polypropylene is cooled and cured through a cooling device to form a solid fiber. The cooling method can be air cooling or water cooling, depending on the production process and equipment requirements.

Stretch shaping: The fiber after cooling and curing is stretched to improve its strength and elastic modulus. In the process of drawing shaping, it is necessary to control the parameters of drawing multiple, temperature and speed to ensure the performance and quality of the fiber.

Winding packaging: The polypropylene industrial silk after stretching and shaping is wound and packaged by the winding machine for easy storage, transportation and sales. During the winding process, parameters such as winding tension, speed and winding diameter need to be controlled to ensure the quality and stability of the fiber.

It should be noted that different manufacturers and production processes may be different, and the specific production process needs to be adjusted and optimized according to the actual situation.

Suining County Tongjia Chemical Fiber Factory was founded in 2013, the main products 300D-3000D color high strength polypropylene yarn, polypropylene double twist, polypropylene industrial silk, polypropylene high-strength silk, etc., the products have high strength, light weight, heat reduction uniform, flame retardant, anti-aging, low thermal conductivity, are widely used in a variety of industrial cloth, cable, container bag, anti-cracking engineering fiber and other products.