It seems like you're asking for information about "PP lumps." "PP" typically refers to polypropylene, a thermoplastic polymer used in a wide variety of applications. However, "lumps" could refer to various things depending on the
2. Lumps:-Without further context, it's not entirely clear what "lumps" refers to in this context. It could mean chunks or irregular masses of polypropylene material, which might have various industrial or commercial applications. It's also possible that "lumps" could refer to a quality issue or defect in polypropylene materials, where the material has formed undesirable clumps or irregularities.