Type segmentation of the Graphite Gland Packing market distinguishes five principal categories: conventional (non‑impregnated) graphite, impregnated graphite, composite (graphite‑reinforced polymer), high‑purity graphite, and specialty alloy‑bonded packs. Conventional graphite, comprising roughly 40 % of total shipments, dominates due to its low cost and adequate performance in moderate‑temperature, low‑pressure environments. Impregnated packs, accounting for about 25 % of volume, add a sealing fluid that extends service life in high‑temperature or abrasive applications, thereby commanding a premium price. Composite packs, at 15 %, integrate polymer matrices to improve flexibility and chemical resistance, serving niche sectors such as pharmaceuticals. High‑purity graphite, representing 12 % of the market, meets stringent contamination standards in semiconductor and food‑grade processes. Specialty alloy‑bonded packs, the smallest segment (8 %), are engineered for extreme corrosive or thermal conditions, justifying their higher margin. Collectively, these type sub‑segments shape the overall market size by aligning material performance with cost sensitivity, a core element of Graphite Gland Packing segmentation analysis.