Technical Process Bulletin
BONDERITE S-AD 213 SF
ACID INHIBITOR ADDITIVE
(Known as RODINE 213 SF)
Issuedd 8/28/2014
1.  Introduction:
BONDERITE S-AD 213 SF (Known as RODINE 213 SF) is an organic, liquid, cationic corrosion inhibitor especially
designed to inhibit the attack of hydrochloric acid on iron and steel during industrial cleaning operations.  It also inhibits
acid attack on copper and brass.  It does not contain arsenic, chlorinated hydrocarbons, alkylphenol ethoxylate (APE)
surfactants, significant amounts of highly toxic components or lead compounds.
The addition of BONDERITE S-AD 213 SF inhibitor to hydrochloric acid solution provides maximum protection for
equipment during:
a.
b.
The removal of lime deposits or water scale from power plant boilers and piping systems and from evaporating
equipment.
The removal of scale and deposits from equipment in refineries, utility companies, paper mills, chemical plants and
other industries.
BONDERITE S-AD 213 SF meets or exceeds the performance seen with the previously available Rodine 213 or Rodine
426 on mild steel under otherwise identical conditions.
2.  Materials:
BONDERITE S-AD 213 SF
3.  Buildup:
For each 1000 gallons of either 5% or 10% by weight* hydrochloric acid solution, not less than the following amount of
BONDERITE S-AD 213 SF inhibitor should be used:
1 gallon for a cleaning temperature of   150° Fahrenheit.
2 gallons for a cleaning temperature of 175° Fahrenheit.
3 gallons for a cleaning temperature of 200° Fahrenheit.
* A 5% by weight hydrochloric acid solution contains 14.1% by volume of 20° Bé hydrochloric acid.
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Technical Process Bulletin
BONDERITE S-AD 213 SF
ACID INHIBITOR ADDITIVE
(Known as RODINE 213 SF)
4.  Operation:
The exceptional strength and heat stability of BONDERITE S-AD 213 SF in hydrochloric acid give the user a considerable
safety factor in relation to temperature, acid strength, and time.
BONDERITE S-AD 213 SF inhibitor may be added to either the diluted or concentrated hydrochloric acid.  In either case,
the BONDERITE S-AD 213 SF inhibitor should be thoroughly mixed with the acid by stirring or agitation. It is storage
stable, even in concentrated hydrochloric acid.
The hydrochloric acid solution inhibited with BONDERITE S-AD 213 SF inhibitor is best circulated through the equipment
to be cleaned.  When circulation cannot be accomplished, the equipment should be filled with the inhibited acid and
allowed to react for sufficient time to remove the objectionable deposits.  To estimate the proper acid concentration and
cleaning time, samples of the deposits to be removed can be tested in the laboratory prior to cleaning.  If heating of the
equipment to be cleaned or acid solution is desired to speed the cleaning action, it should be done prior to the start of the
cleaning operation.
5.  Storage Requirements:
BONDERITE S-AD 213 SF inhibitor will freeze at temperature below 0° Fahrenheit.
If frozen, warm and mix before using.
6.  Waste Disposal Information:
Aquatic Toxicity Statement and Recommended Container Decontamination: BONDERITE S-AD 213 SF has significantly
less human toxicity and lacks the NPE surfactants, volatile components and the hazardous flash points of similar products
(please refer to MSDS). However, it is expected to retain the significant acute aquatic toxicity associated with similar types
of products. BONDERITE S-AD 213 SF is highly soluble in plain water or hydrochloric acid solutions, thus empty
containers can easily be rinsed with water and/or acid solution and added to the process or its waste stream. We
recommend at least 3 rinses consisting of 5 gallons or more each. This should reduce the waste in the container to less
than 0.05% of the original contents and thus help prevent possible harmful release to aquatic environments.
Applicable regulations concerning disposal and discharge of chemicals should be consulted and followed.
Disposal and component information for BONDERITE S-AD 213 SF is given on the Material Safety Data Sheet for the
product.
The industrial cleaning bath is acidic and contains hydrochloric acid and organic inhibitor components.
Waste treatment and neutralization is required.
The industrial cleaning bath and sludge can contain ingredients other than those in the chemical as supplied and analysis
of the solution and/or sludge is required before waste treatment and disposal.
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Technical Process Bulletin
BONDERITE S-AD 213 SF
ACID INHIBITOR ADDITIVE
(Known as RODINE 213 SF)
7.  Precautionary Information:
Before handling the chemical products used in this process, the first aid and handling recommendations on the Material
Safety Data Sheet for each product should be read, understood and followed.
The industrial cleaning bath is strongly acid and can burn skin and eyes.  Refer to the Material Safety Data Sheet for
hydrochloric acid for recommendations for protective action.
8.  Corrosion Rate Data:
0.1% v/v inhibitor, 10% w/v as HCl, agitated/180F. Average of 2 2x4”
1008 alloy CRS panels in 2 liters solution:
Product
BONDERITE S-AD 213 SF
Competitor A
No inhibitor
*Original Rodine 213 formula = 99.90%
Avg loss
@ 24 hrs:
@ 24 hrs:
@  2 hrs:
0.1860g
0.5320g
Loss rate/day
0.0037 lbs/ft2/day
0.0105 lbs/ft2/day
18.9683g       4.5124 lbs/ft2/day
% Inhibition*
(99.92)
(99.77)
(00.00)
Henkel Corporation | 32100 Stephenson Highway | Madison Heights, MI 48071
PHONE: (248) 583-9300 | FAX: (248) 583-2976 | 
Trademark usage
Except as otherwise noted, all trademarks in this document are trademarks of Henkel Corporation in the U.S. and elsewhere. ® denotes a trademark
registered in the U.S. Patent and Trademark Office.
The data contained herein are furnished for information only and are believed to be reliable. We cannot assume responsibility for the results obtained
by others over whose methods we have no control. It is the user's responsibility to determine suitability for the user's purpose of any production
methods mentioned herein and to adopt such precautions as may be advisable for the protection of property and of persons against any hazards that
may be involved in the handling and use thereof. In light of the foregoing, Henkel Corporation specifically disclaims all warranties expressed or
implied, including warranties of merchantability or fitness for a particular purpose, arising from sale or use of Henkel Corporation’s
products. Henkel Corporation specifically disclaims any liability for consequential or incidental damages of any kind, including lost profits.
The discussion herein of various processes or compositions is not to be interpreted as representation that they are free from domination of patents
owned by others or as a license under any Henkel Corporation patents that may cover such processes or compositions. We recommend that each
prospective user test his proposed application before repetitive use, using this data as a guide. This product may be covered by one or more United
States or foreign patents or patent applications.
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