Segmentation by type categorizes the fluid chemistries that underpin fire‑resistant performance. Phosphate‑ester based fluids remain the largest category, offering inherent flame‑retardancy and high thermal stability, which makes them suitable for both commercial and military platforms. Polyol‑ester based fluids, representing a growing share, provide lower viscosity and improved biodegradability, aligning with environmental regulations in civil aviation. Silicone‑based fluids, though niche, deliver exceptional low‑temperature fluidity and resistance to oxidative degradation, catering to high‑altitude UAVs and specialized military applications. Fluorinated synthetic fluids, the most advanced tier, combine extreme temperature tolerance with superior fire‑suppression characteristics, but their higher cost limits adoption to premium military and business‑jet markets. Within each type, sub‑variants such as high‑temperature, low‑viscosity, and anti‑wear formulations further refine performance, allowing OEMs to match fluid properties precisely to system requirements and thereby influencing the overall market composition.