0.00 LBS

NOX-RUST 501 Black Cold-Application Asphaltic Corrosion Preventive Compound QPL Approved For Government Use Under Designation MIL-PRF-16173E Grade 1, Class II

NOX-RUST 501 is a Qualified Product Listed (QPL) for use under Govt Designation MIL-PRF-16173E; Class II , Grade 1, formulated to also fulfill the requirements of MIL-P-116J, Type P-1 Specifications.
Contrary to Class I, Class II signifies lower Volatile Organic Content/Compounds (VOC), not exceeding 2.8 lbs. per gallon (340 grams/liter).

NOX-RUST 501 is a black, solvent-based, asphaltic preventive compound cutback (or thinned) with mineral spirits designed specifically for covered/uncovered and indoor/outdoor preservation. It protects metallic surfaces exposed to outdoor weather conditions for extended periods during domestic and international shipments, requiring a dry-to-touch film.

NOX-RUST 501 dries to a hard black wax film that repels moisture, salt, and other corrosive elements.

Looking to protect metal from rust and corrosion?
This long-lasting and versatile corrosion inhibiting compound is an excellent cost-effective option for preventing corrosion on your metallic surfaces, thereby extending the lifespan of a wide range of equipment and machinery.

Product Uses:

  • Black Asphaltic Corrosion Preventive Compound formulated for exceptional general-purpose preservation and long-term protection of covered/uncovered, indoor/outdoor metals exposed to weather conditions for extended periods during domestic and overseas shipping.
  • Can be used as a “Float Coat” by shipyards for difficult or unsafe rust inhibitor application to access voids, tanks, ballast areas, and rudders.
  • Used for protecting the interior of ship rudders on Naval vessels and large commercial ships using the fill and drain method.
  • Class II Volatile Organic Content/Compounds (VOC) does not exceed 2.8 lbs./gallon (340 grams/liter).
  • Removal is possible with mineral spirits (or another similar petrolatum solvent), hot alkaline wash, or low-pressure steam.

Product Performance:

  • When applied at the recommended wet film thickness (WFT) of 5-6 mils over the surface profile, it will deposit the recommended dry film thickness (DFT) of 2.8 mils.
  • Dry to touch in 5-8 hours and fully cured in 16 hours.
  • Covers 340 square ft. per gallon when applied at the recommended film thickness.
  • Can provide up to 2 years of outdoor protection and 5 years of indoor or undercover protection on metal substrates at the recommended dry film thickness.

Application Equipment Recommendations: 

  • Pumps with ratios of 15:1 or greater are advised for efficient use of container content.
  • Tungsten Carbide Nozzles Tip in the spray gun is recommended. (.015" to .021" tip orifice size)
  • High Pressure Fluid Hose of no less than 3/8 in. diameters is suggested for less than 50 ft. of material hose.
  • Low Ratio pumps (15-30:1): operate through 100 ft. of 1/2 in & 50 ft. of 3/8 in. hose for a max of 150 ft.
  • High Ratio pumps(>30:1): operate through 200 ft. of 1/2 in & 50 ft. of 3/8 in. hose for a max of 250 ft.
  • Can be brush or dip applied. 

For additional product information as well as storage and handling requirements, refer to the Product Data Sheet or Safety Data Sheet provided on this page.

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Safety Data Sheet
Product Data Sheet

Due to these products being hazardous, an additional shipping charge of $25.00 is automatically added to smaller "Ground Shipments". If you can order any combination of products that makes your total cart weight over 150 lbs. (which is considered "Freight Shipment"), this additional fee is waived. This can equate to considerable savings on shipping.

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