Segmentation by type classifies fibreglass sleeves into reinforced, non‑reinforced, heat‑resistant, and chemical‑resistant variants, each addressing distinct performance criteria. Reinforced sleeves integrate glass fibre roving or woven fabrics, delivering superior tensile strength for high‑stress applications such as drilling rigs and heavy‑duty pumps; they dominate the premium tier of the market. Non‑reinforced products, composed solely of resin‑bound glass particles, serve low‑load environments where cost efficiency outweighs mechanical demands, notably in residential plumbing. Heat‑resistant sleeves incorporate high‑temperature resins (e.g., phenolic or silicone) to withstand continuous exposure above 250 °C, essential for turbine shafts and furnace exhausts. Chemical‑resistant sleeves employ specialized matrix formulations that inhibit degradation from acids, bases, or solvents, making them indispensable in petrochemical processing and wastewater treatment. This market taxonomy clarifies how each type aligns with specific operational constraints, collectively shaping the overall market composition and informing strategic sourcing decisions.