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PFPEKING P-HhaloVacR Ultra is an ultra-high vacuum grade PFPE synthetic lubricating grease formulated with premium perfluoropolyether (PFPE) base oil and PTFE thickener. Designed for ultra-high vacuum (UHV) and contamination-sensitive environments, it offers ultra-low vapor pressure, extremely low outgassing, and excellent thermal and chemical stability. The grease maintains reliable lubrication and sealing performance under high temperatures, vacuum conditions, and aggressive chemical exposure, making it ideal for critical applications where cleanliness, durability, and long service life are essential.