Specialty Products


Penetrate HD

Penetrate HD

Video Overview



Penetrate HD® frees stuck fan blades, blower shafts, pulleys, rusted nuts and bolts – any frozen, rusted, or seized metal part! New low surface tension formula penetrates into the smallest spaces and breaks and dissolves the bonds of rust and corrosion. Lubricates and protects metals with a dielectric strength to 40,000 volts (Low VOC formula for California - 31,000 volts). For industrial and professional use only.

Specially formulated with new low surface tension technology to seep into the smallest cracks, crevices, seams, or threads of rusted, seized, and corroded parts. Quickly dissolves the bonds of rust, corrosion, carbon deposits, gums, varnishes, and grease to free the metal parts. Penetrate HD displaces water and leaves a lubricating film to protect metal parts and further prevent rust and corrosion. Unique formula uses capillary action to penetrate into the smallest spaces. Results are amazing!!

Packaging Size Nu-Calgon #
12 oz. can 61105
17 oz. can 61106
12 oz. can - Low VOC 61107
17 oz. can - Low VOC 61108


This product must be used in accordance to the following directions by HVACR professionals only.

Spray Penetrate HD on the frozen part, allowing Penetrate HD to work into the affected area. Lightly tap the part to improve penetration. Loosen and remove the part, repeating process if necessary.

Literature Downloads

Download the product bulletin and other relevant literature here.

SDS Information

Read and understand the product’s Safety Data Sheet for precautionary and first aid information.