Scope of Application: This product is a medical-grade transparent soft PVC pellet material, specially designed for extrusion molding of single-use urinary catheters and indwelling urinary catheters. It can be in direct contact with human urethral mucosa and urine, is resistant to ethylene oxide (EO) sterilization, and features high lubricity, high flexibility, and a smooth surface. It ensures smooth catheterization without damaging the urethral mucosa, meeting the clinical requirements for urinary catheterization and urine drainage.