Sec.29-349-265. Mixer design

Latest version.

The design of the mixer shall be such as to minimize the possibility of frictional heating, compaction, and especially confinement. Open mixers are preferable to enclosed mixers. Bearing and gears should be protected against the accumulation of ammonium nitrate dust. All surfaces should be accessible for cleaning. Mixing and packaging equipment shall be constructed of materials compatible with fuel-ammonium nitrate composition.

(Effective December 24, 1987)

                    
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