Segmentation by type classifies PP‑corrugated fiberboard into single‑wall, double‑wall, triple‑wall, and specialty formats, each influencing market dynamics differently. Single‑wall boards dominate the volume base, offering a balance of strength and cost for standard packaging and low‑load construction panels. Double‑wall units, comprising two flutes, capture higher‑value applications such as heavy‑duty packaging and structural components, contributing a premium price margin. Triple‑wall boards, though a niche, serve extreme load‑bearing contexts like industrial pallets and protective crates, driving modest but high‑margin revenue. Specialty variants—such as moisture‑resistant, anti‑static, or fire‑retardant PP liners—address regulated sectors (e.g., food safety, electronics, aerospace), delivering outsized profitability despite limited volume. The relative weight of each type within the market reflects end‑use performance criteria, cost sensitivity, and regulatory compliance, collectively defining the overall market composition.