Global demand for heat transfer fluids sits at a curious crossroads: mature, low-growth on paper, but quietly essential to almost every process industry that exists. The market was worth about USD 11.8 billion in 2025, is expected to reach USD 12.3 billion in 2026, and should climb to roughly USD 15.9 billion by 2033 — a CAGR of 3.7%. That's a modest headline number compared to...