The Challenges of nPB

The U.S. Environmental Protection Agency and State OSHA offices have been considering measures to reduce and restrict the uses of nPB, TCE, perc and methylene chloride. Here’s a quick look at nPB’s particular situation:

Normal propyl bromide (nPB) in Industry

Normal propyl bromide (nPB) is an affordable, nonflammable, versatile industrial chemical used in a wide variety of applications:

  • As carrier fluid for adhesives
  • To clean fluxes from printed circuit boards,
  • Degrease metal and ceramic parts
  • Cleaning optics
  • Aerospace maintenance
  • As an intermediate product in the production of certain synthetic fibers

Recently the American Conference of Governmental Industrial Hygienists (ACGIH) concluded the 8-hour time-weighted average exposure limit for 1-bromopropane should be reduced from 10 parts per million (ppm) to 0.1 ppm.

In 2016, the U.S. Environmental Protection Agency (EPA) added nPB to the Toxic Release Inventory which requires companies using nPB to file an annual report on the emissions and disposal of nPB.

MicroCare offers advice and engineering expertise to customers to help them use nPB and other solvents safely.

Replacement Solvents

MicroCare has a wide range of cleaning fluids that are excellent replacements for nPB from other companies. Many of these choices may work for you.

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