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MIL-PRF-680 for Degreasing Equipment Components: An Overview

June 13, 2012 | Comments: 0 | Views: 244

MIL-PRF-80 is a petroleum-based solvent that removes oil, grease, and organic resins from the engines of aircraft, ground equipment, and industrial machines. MIL-PRF-680B is the accepted industrial strength degreaser in most industries, but many companies - some of whom may not realize the solvent was canceled in 1999 due to Environmental Protection Agency (EPA) regulations - still purchase the degreaser it replaced, P-D-680.

The cleaning power of P-D-680 is not available in an organic solvent, but the environmentally preferred MIL-PRF-680B offers the same cleaning power as P-D-680 while containing no Hazardous Air Pollutants (HAPs). Both solvents contain Volatile Organic Compounds (VOCs), but the VOCs in MIL-PRF-680B are deemed non-toxic. VOCs are carbon-based compounds that evaporate at room temperature. HAPs are airborne chemicals that the Clean Air Act deems hazardous to the environment and human health.

The Search for P-D-680

In spite of P-D-680 being canceled by most industries in 1999, web analytics show that Google receives 2,000 searches for the solvent each month, compared to 1,000 searches a month for MIL-PRF-680. In addition to companies being unaware of the cancellation of P-D-680, experts in the solvents industry speculate the search for P-D-680 results from the factors below:

  • P-D-680 is less expensive than MIL-PRF-680B
  • Neither MIL-PRF-680B nor P-D-680 is an organic solvent
  • Regardless of EPA regulations, companies prefer to use familiar products
  • P-D-680 is available from multiple suppliers
  • P-D-680 costs roughly the same amount to dispose of as the 680B

The low cost of P-D-680 comes with two caveats: a company that uses it can be fined for violating emission standards, and those who work where the solvent is used may experience serious health problems. For employers, these health problems lead to an increase in sick days taken, workers comp claims, and liability lawsuits.

Choosing a P-D-680B Solvent

Using a degreaser that contains no hazardous ingredients according to the EPA is important, but choosing a replacement for P-D-680B involves more than selecting a solvent that contains no HAPs. The factors below should also be considered when choosing a replacement:

  • Flash point
  • Whether the product contains water
  • Whether it leaves a residue
  • Whether it is usable in parts washers
  • Whether it causes corrosion

After considering these factors, many companies choose MIL-PRF 680 Type II degreaser cleaner for solvent parts washers - a solution that has a high flash point of 145°F, is formulated without water to prevent oxidization, leaves no residue, can be used in parts washers, contains no hazardous ingredients according to the EPA, and is non-corrosive to metal and most plastic and rubber surfaces.

Conclusion

At a time when the EPA regulates the use of toxic chemicals in the industrial sector and imposes fines for emissions violations, using an environmentally preferred industrial degreaser makes sense. MIL-PRF-680 is not an organic solvent, but its lack of HAPs makes it environmentally preferable to P-D-680. If your company needs a replacement for P-D-680, the 680 Type II degreaser cleaner for solvent parts washers is an excellent choice for the reasons mentioned above.

MIL-PRF-680 replaced P-D-680 as the preferred industrial-strength degreaser. Although it is not an organic solvent, the former contains no HAPs.

Source: EzineArticles
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