Penair^® HD-1 is a state-of-the-art, heavy-duty, biodegradable cleaning compound for transportation equipment. Replacing hazardous petroleum and chlorinated solvents with Penair HD-1 will assist maintenance personnel in complying with today’s stringent EPA and OSHA standards. Penair HD-1 is a unique, biodegradable blend of natural hydrocarbon solvent, corrosion inhibitors and surfactants with added carbon removers. It is effective on the toughest soils, including exhaust carbon, hydraulic oils, boot prints, solid film lube and wet stacking. Penair HD-1 replaces cleaners that contain toxic or environmentally harmful ingredients, and reduces volatile organic vapor emissions compared to other solvent cleaners. A concentrated cleaner, Penair HD-1 is formulated to be economical to use when diluted with water. 

General Use, Transportation 

5 gal. pail, 55 gal. drum