Hexafluoroethane (C₂F₆, R116) — Global Market to Reach 2.58 Billion RMB by 2031 at 3.6% CAGR, Driven by Semiconductor Industry and Specialty Gas Applications

Hexafluoroethane (C₂F₆, also known as R116 or perfluoroethane) Continues to play a steady role in the electronic specialty gas portfolio, particularly in semiconductor etch and chamber cleaning applications. While its growth trajectory is more moderate than some high-growth fluorinated gases, the market benefits from stable demand across multiple end-use segments.

Market Size and Growth Projections. According to Hengzhou Chengsi (YHResearch) market data, the global hexafluoroethane market was valued at approximately 2.02 billion RMB in 2024. The market is projected to maintain steady growth, reaching approximately 2.58 billion RMB by 2031, corresponding to a CAGR of 3.6 percent over the forecast period.

Application Segmentation. Hexafluoroethane is primarily consumed in semiconductor and micromachining applications, where it serves as an etchant for dielectric materials and as a cleaning gas for CVD chambers. The refrigeration sector also consumes C₂F₆, particularly in specialized low-temperature applications. The medical field represents a smaller but stable segment, leveraging C₂F₆’s inert properties for specific device applications.

Key Market Players and Regional Distribution. Major producers operating in the global hexafluoroethane market include Air Products, Huate Gas, Electronic Fluorocarbons LLC, Versum Materials, Praxair, and Linde (BOC). The Asia-Pacific region dominates consumption, driven by China’s rapidly expanding semiconductor fabrication base. South Korea and Taiwan also account for significant volumes due to memory and foundry concentration.

China Market Dynamics. China’s electronic industry—and semiconductors in particular—has been the primary driver of market growth. As domestic wafer fab capacity continues to expand and demand for advanced packaging increases, consumption of C₂F₆ in etch and cleaning processes is expected to grow in line with overall fab utilization rates.

Comparison with Higher-Growth Fluorinated Gases. C₂F₆ is part of the broader fluorocarbon gas market, which in total accounts for approximately 1.35 billion USD globally. This segment is growing at a faster 7.9 percent CAGR, driven primarily by higher-growth products including octafluoropropane and other specialty fluorocarbons. C₂F₆’s more moderate growth reflects its maturity relative to newer specialty gases.

Outlook. For end users seeking “high-purity hexafluoroethane for semiconductor etching” or “C₂F₆ chamber cleaning gas,” supply remains stable with moderate price increases expected in line with raw material and energy cost inflation.

Sources: Hengzhou Chengsi (YHResearch) Hexafluoroethane Market Report, 2026; YHResearch Fluorocarbon Gas Market Report, 2026