Segmentation by type classifies Mold Polishing Stones into three core families, each with distinct sub‑categories that shape procurement patterns. Natural stone variants—primarily aluminum oxide and silicon carbide—are subdivided into coarse, medium and fine grits, offering cost‑effective solutions for bulk‑level polishing but limited lifespan. Synthetic resin‑bonded stones include phenolic, epoxy and polyurethane matrices; within these, sub‑types such as vitrified, rubber‑bonded and ceramic‑bonded provide tailored hardness and flexibility, enabling higher precision on intricate geometries. Diamond‑impregnated stones are further divided into electroplated, sintered and brazed forms, delivering superior abrasion resistance and consistent finish quality for high‑value molds in aerospace and medical sectors. The relative market share of each type aligns with application demands: natural stones dominate low‑cost, high‑volume segments, resin‑bonded stones capture mid‑range precision work, while diamond‑impregnated stones, though representing a smaller volume, command premium pricing due to their performance advantages.