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Why are PVC medical particles using dioctyl phthalate (DOP)? PVC (polyvinyl chloride) medical particles often use dioctyl phthalate (DOP), also known as diethylhexyl phthalate (DEHP), as a plasticizer to enhance flexibility, durability, and workability of the material. In medical applications, such as IV tubing, blood bags, and catheters, PVC needs to be soft and pliable to function effectively, and DOP helps achieve these properties. Here’s why DOP is commonly used: 1. Flexibility and Softness: Pure PVC is rigid and brittle. DOP is added to make it flexible and easier to mold into shapes required for medical devices, ensuring they can bend without breaking or kinking. 2. Compatibility: DOP integrates well with PVC, creating a stable mixture that maintains its properties over time, which is critical for medical devices that need to withstand sterilization and long-term use. 3. Cost-Effectiveness: DOP is relatively inexpensive and widely available, making it a practical choice for large-scale production of medical-grade PVC products. 4. Performance Under Stress: Medical devices often undergo mechanical stress (e.g., squeezing IV bags or bending tubing). DOP ensures the material remains resilient and functional under these conditions. However, it’s worth noting that the use of DOP/DEHP in medical applications has raised concerns due to potential health risks. Because of this, some regulatory bodies (e.g., the EU) and manufacturers have started phasing it out in favor of alternative plasticizers like TOTM (trioctyl trimellitate) or DINCH (diisononyl cyclohexane-1,2-dicarboxylate) for safer medical-grade PVC. #plasticizer #Polyvinylchloride #PVC #plastic #Artificialleather #Gloves #PVCcoated gloves #Agriculturalfilm #Wireandcable #Foodpackaging cellophane #coatings #adhesives #rubber #Decorative film #Polyvinylchlorideresin #Bluesail #environment protection #pvcfilm #pvchose #pvccarpet #leather #durability #PVCcable #Additives for PVC #pvcrubber ,#rubber ,#tarpoulin,#fishtank ,#nylonrope ,#sheet ,#rope,#greennet #plastic.#hdpe#cargobelt #cargobag #fabric