JB Ecotex-PET Plastic Recycler on Instagram: "As we all know, there are different IVs for different products because not every PET application performs the same. Intrinsic viscosity plays a critical role in determining how PET behaves during processing and how the final product performs. From lightweight bottles to pressure-resistant rigid packaging, the right IV selection directly impacts strength, clarity, process stability, and end-use reliability. Lower IV grades are designed for application