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MIL-PRF-680 is a military specification for degreasing solvents established by the United States Department of Defense, which consists of four types of petroleum distillates. The different types are referred to as "Stoddard solvent" (Type I), "141°F solvent” (Type II), "200°F solvent" (Type III), and "141°F d-limonene blended solvent" (Type IV). They are used for degreasing of machine parts in equipment maintenance.

MIL-PRF-680 Product List

Please consult the product page and product description for the specific grade/size you intend to purchase to ensure it will be supplied with MIL-PRF-680 paperwork.

MIL-PRF-680 Type I solvents are designed for general-purpose cleaning, while MIL-PRF-680 Type II solvents are formulated for use in precision cleaning applications. MIL-PRF-680 Type III denotes a flash point of over 200°F.

These solvents must meet strict criteria for purity, flash point, evaporation rate, toxicity and other key properties to ensure safety and effectiveness in military MRO. MIL-PRF-680 plays a crucial role in maintaining the performance, reliability, and safety of military equipment across various branches and applications.


Generic Armite Can

AA-9601E was the first specification used for a dry degreasing and cleaning agent needed by the military. It was followed by P-D-680, or Stoddard solvent, which is a federal specification for dry cleaning and degreasing solvents, widely used by the Department of Defense for a range of everyday maintenance operations. Due to its environmental disadvantages, it was cancelled in December 1999.

MIL-PRF-680A simply consists of the four types of petroleum distillates at the top of the page.

MIL-PRF-680B also consists of the four types of petroleum distillates. It directly replaced P-D-680. MIL-PRF-680B has a lower aromatic content than its predecessor, equating to reduced odour and non-volatile residue. However, it still contains the same concentration of VOCs as P-D-680, though is free of Hazardous Air Pollutants (HAPs).

MIL-PRF-680C is the most recent specification, approved in March 2010. It denotes a 62°C flash point, evaporation without residue, and is approved for government and military use.