GENERAL
14
NOTICE
The handling of Cationic Emulsions (CRS-2, CMS-2, CSS-1 and CSS) may
create an environment within the Asphalt Distributor that can be corrosive to
carbon steel and cast iron.
•
Cationic Emulsions are widely used within the industry.
•
Cationic Emulsion is manufactured with asphalt, water, emulsifiers and
hydrochloric acid. The chemistry of individual emulsions varies in asphalt
content and Ph levels.
•
Tanks and spray mechanisms used with Cationic emulsions may experience
corrosion
•
It is believed the chemistry of the emulsion - specifically the residual fumes
promote the corrosion
•
Etnyre Distributors are compatible with Cationic Emulsions provided that
certain precautions are taken.
•
Prior to placing a distributor in to service with Cationic Emulsion, it should be
loaded with an AC or MC type material to develop a protective coating.
•
Periodic inspection of the tank and spray system should be preformed in the
normal course of operation.
•
It is recommended that distributors used in Cationic service be flushed
periodically and at the end of the season with an AC, MC or cutback to
remove the corrosive materials and to provide a protective coating.
•
Increasing the quantity of flushing material during daily suck back and
cleanout operations will also help to minimize corrosion damage.
•
Dilution is the solution.
•
Additional information can be acquired from your Emulsion supplier as well
as the Asphalt Institute or the Asphalt Emulsion Manufactures Association.
WARNING
Take extra care and follow recommended
procedures when alternating asphalt materials
especially when loading hot product, over 212
degrees Fahrenheit (100 degrees Celsius), on
to a tank and system previously in Emulsion
service.
Cationic Emulsions
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