As a critical precursor in the manufacturing of carbon fiber, the properties of the carbon fiber precursor filament directly determine the mechanical performance and scope of application of the final carbon fiber material.
During the production of carbon fiber precursor filaments, the following points require particular attention:
1. Strictly control the purity of raw materials and the conditions of the polymerization reaction to ensure the stability of the polymer's properties;
2. During the spinning process, maintain the cleanliness and unobstructed flow of the spinneret orifices to prevent clogging;
3. During post-processing, carefully control parameters such as the draw ratio and drying temperature to avoid damaging the fibers. Furthermore, the production of carbon fiber precursor filaments must comply with relevant industry standards; specifically, indicators such as linear density, breaking strength, and elongation at break must meet specific requirements.

