Plastic Lumps & Regrinds Plastic Lumps & Regrinds Home » Plastic Lumps & Regrinds Plastic Lumps & Regrinds Manufacturer Recycled from industrial waste and off-cuts. Cleaned, shredded, and sorted for reprocessing. ✅ Types: PP lumps, HDPE lumps, HIPS regrind, ABS regrind, PC regrind✅ Used in non-critical injection molding and extrusion.