ADMIX C-500
07160 | C E M E N T I T I O U S C RY S TA L L I N E
Concrete Waterproofing
Description • Highly resistant to aggressive chemicals
Xypex is a unique chemical treatment for the waterproof- • Can seal static hairline cracks up to 0.4 mm
ing, protection and improvement of concrete. XYPEX • Allows concrete to breathe
ADMIX C-500 is added to the concrete mix at the time • Non-toxic
of batching. Xypex Admix C-500 consists of Portland • Less costly to apply than most other methods
cement, very fine treated silica sand and various active, • Permanent
proprietary chemicals. These active chemicals react with • Added to the concrete at time of batching and
the moisture in fresh concrete and with the by-products therefore is not subject to climatic restraints
of cement hydration to cause a catalytic reaction which • Increases flexibility in construction scheduling
generates a non-soluble crystalline formation throughout
the pores and capillary tracts of the concrete. Thus the Packaging
concrete becomes permanently sealed against the pen- Xypex Admix C-500 is available in 50 lb. (22.7 kg) bags
etration of water or liquids from any direction. The concrete and in cartons containing 10 lb. (4.5 kg), 12 lb. (5.5 kg),
is also protected from deterioration due to harsh environ- and 15 lb. (6.8 kg) soluble bags. For specific projects,
mental conditions. contact the manufacturer for availability of custom sized
packaging.
Xypex Admix C-Series
The Admix C-Series has been specially formulated to Storage
meet varying project and temperature conditions. Xypex Xypex products must be stored dry at a minimum tem-
Admix C-500 is specifically formulated to meet modern perature of 45ºF (7ºC). Shelf life is one year when stored
concrete practices that incorporate additives such as under proper conditions.
fly ash and slag. For most concrete mix designs add-
ing the Admix C-500 will have minimal or no effect on Dosage Rates
setting time. Xypex Admix C-1000 is designed for typical Xypex Admix C-500:
Portland cement-rich concrete, where normal to a mild 2% - 3% by weight of cement
retarded set is desired. Xypex Admix C-2000 is designed Xypex Admix C-500 NF (No Fines Grade):
for projects where extended retardation is required due 1% - 1.5% by weight of cement
to high ambient temperatures or long ready-mix delivery
times. See Setting Time and Strength for more details. NOTE: Under certain conditions, the dosage rate for No
Consult with a Xypex technical services representative Fines Grade may be as low as 0.8% depending on the
for the most appropriate Xypex Admix for your project. quantity and type of total cementitious materials. The
maximum use level is 2% by weight of cement for potable
Recommended for: water applications.
• Reservoirs
Consult with Xypex’s Technical Services Department for
• Sewage and Water Treatment Plants
assistance in determining the appropriate dosage rate
• Secondary Containment Structures
and for further information regarding enhanced chemical
• Tunnels and Subway Systems
resistance, optimum concrete performance, or meeting
• Underground Vaults
the specific requirements and conditions of your project.
• Foundations
• Parking Structures
• Swimming Pools
Test Data
• Precast Components PERMEABILITY
U.S. Army Corps of Engineers CRD C48-73,
Advantages “Permeability of Concrete”, Aviles Engineering Corp.,
• Resists extreme hydrostatic pressure from either Houston, USA
positive or negative surface of the concrete Two concrete samples containing Xypex Admix at 3%
• Becomes an integral part of the substrate and 5% respectively, and an untreated control sample
Concrete Waterproofing By Crystallization™ DAT-ADM5
REV-10-09
were tested for water permeability. Both the treated and sion and deterioration caused by contact with aggressive
untreated samples were subjected to a pressure of 150 chemicals. All samples were soaked in a 5% sulfuric acid
psi (350 ft. water head). Results showed moisture and solution at 20ºC for six months. Various evaluations and
permeated water throughout the untreated sample after measurements were assessed every month during the
24 hours. However, the Xypex Admix samples showed test period, including: photographic comparisons, rela-
no leakage, and water penetration of only 1.5 mm after tive dynamic modulus of elasticity, percentage change
120 hours (5 days). in length, weight and flexural rigidity. Although the Xypex
Admix sample was subjected to acid conditions well out-
U.S. Army Corps of Engineers CRD C48-73,
side its published range, the results confirmed Xypex with
“Permeability of Concrete”, Setsco Services, Pte Ltd.,
Singapore the best performance among the seven samples tested.
Six Xypex Admix-treated and six untreated concrete “Sulfuric Acid Resistance Test”,
samples were tested for water permeability. Pressure Aviles Engineering Corporation, Houston, USA
was gradually increased over five days and then main- Concrete samples containing Xypex Admix at different
tained at 7 bars (224 ft. water head) for 10 days. While dosage rates (3%, 5% and 7%) were tested against un-
the six reference samples showed water leakage be- treated control samples for sulfuric acid resistance. After
ginning on the fifth day and increasing throughout the immersion in the sulfuric acid, each sample was tested
test period, the Xypex Admix samples showed no water for weight loss on a daily basis until a weight loss of 50%
leakage at any time during the test. or a definite response trend was obtained. The percent-
age weight loss of the samples containing Xypex Admix
DIN 1048, “Water Impermeability of Concrete”,
DICTU S.A., Dept. of Engineering and Construction Mgt., tested significantly lower than the control samples.
Santiago, Chile “Sulphate Resistance Test”,
Concrete samples 120 mm thick containing Xypex Admix Taywood Engineering Ltd., Perth, Australia
were tested with the same size reference samples for Xypex Admix-treated concrete samples were immersed
water impermeability. Samples were subjected to hydro- in an ammonium-sulphate solution and tested for “resis-
static pressure for 28 days. Water totally permeated the tance in a harsh environment”. The performance of the
untreated samples but no water penetration was detect- Xypex crystalline technology was compared with five
ed in any of the Xypex Admix-treated samples. other concretes, including one containing a sulphate-
resistant cement. Each of the test samples was cured for
COMPRESSIVE STRENGTH
seven days and then placed in an ammonium-sulphate
ASTM C 39, “Compressive Strength of Cylindrical
Concrete Specimens”, HBT Agra, Vancouver, Canada solution (132 g/litre) for 180 days. The rate of corrosion
was determined by measuring weight loss, and length
Concrete samples containing Xypex Admix at various
change was noted on a weekly basis. The Xypex crys-
dosage rates (1%, 2% and 5%) were tested against an
talline technology substantially improved concrete perfor-
untreated concrete control sample. Compressive strength
mance as compared to the reference concrete and tested
test results after 28 days indicated a significant strength
very similar to the sulphate-resistant concrete. The Xypex
increase in the samples incorporating Xypex Admix. The
Admix-treated samples also provided the highest level of
compressive strength increase varied between 5% and
protection as measured by change in length.
20% (depending on the Xypex Admix dosage rate) over
that of the reference sample. FREEZE/THAW DURABILITY
ASTM C 666, “Freeze/Thaw Durability”,
ASTM C 39, “Compressive Strength of Cylindrical
Independent Laboratory, Cleveland, USA
Concrete Specimens”, Kleinfelder Laboratories,
San Francisco, USA After 300 freeze/thaw cycles, the Xypex Admix-treated
At 28 days, the compressive strength test of the concrete samples indicated 94% relative durability.
containing Xypex Admix measured 7160 psi as compared
POTABLE WATER EXPOSURE
to the reference sample at 6460 psi (a 10% increase).
NSF 61, “Drinking Water System Component-Health
Effects”, NSF International, Ann Arbor, USA
CHEMICAL RESISTANCE
JIS, “Chemical Durability Test”, Japanese Utility Exposure testing of potable water in contact with Xypex-
Company, In-house Test Report, Tokyo, Japan treated samples indicated no harmful effects.
Concrete samples containing Xypex Admix were tested
against five samples containing other admixtures and
against a control sample, to determine resistance to corro-
X Y P E X A D M I X C - 5 0 0 P R O D U C T D A T A
Directions for Use C-500 will have minimal or no effect on setting time.
Xypex Admix C-500 must be added to the concrete at the Concrete containing the Xypex Admix C-500 may develop
time of batching. The sequence of procedures for addi- higher early and ultimate strengths than plain concrete
tion will vary according to the type of batch plant opera- particularly where fly ash and slag are used. Trial mixes
tion and equipment: should be carried out under project conditions to deter-
mine the setting time and strength of the concrete dosed
1. READY MIX PLANT - DRY BATCH OPERATION Add with Xypex Admix C-500. Consult with a Xypex technical
Xypex Admix in powder form to the drum of the ready- services representative for the most appropriate Xypex
mix truck. Drive the ready-mix truck under the batch plant Admix for your project.
and add the balance of the materials in accordance with
standard concrete batching practices. Mix materials for Limitations
a minimum of 5 minutes to ensure that the Xypex Admix When incorporating Xypex Admix, the temperature of the
has been thoroughly dispersed throughout the concrete. concrete mix should be above 40ºF (4ºC).
2. READY MIX PLANT - CENTRAL MIX OPERATION Mix
Technical Services
Xypex Admix with water to form a very thin slurry (e.g.
For more instructions, alternative installation methods,
15 - 20 lb./6.75 - 9 kg of powder mixed with 3 U.S. gallons/
or information concerning the compatibility of the Xypex
13.6 litres of water). Pour the required amount of mate-
treatment with other products or technologies, contact
rial into the drum of the ready-mix truck. The aggregate,
the Technical Services Department of Xypex Chemical
cement and water should be batched and mixed in the
Corporation or your local Xypex representative.
plant in accordance with standard practices (taking into
account the quantity of water that has already been
placed in the ready-mix truck). Pour the Admix slurry into
Safe Handling Information
the truck and mix for at least 5 minutes to ensure even Xypex is alkaline. As a cementitious powder or mixture,
distribution of the Xypex Admix throughout the concrete. Xypex may cause significant skin and eye irritation. Direc-
tions for treating these problems are clearly detailed on
3. PRECAST BATCH PLANT Add Xypex Admix to the all Xypex pails and packaging. The Manufacturer also
rock and sand, then mix thoroughly for 2 - 3 minutes maintains comprehensive and up-to-date Material Safety
before adding the cement and water. The total concrete Data Sheets on all its products. Each sheet contains
mass should be blended using standard practices. health and safety information for the protection of work-
ers and customers. The Manufacturer recommends you
NOTE: contact Xypex Chemical Corporation or your local Xypex
i. It is important to obtain a homogeneous mixture of representative to obtain copies of Material Safety Data
Xypex Admix with the concrete. Therefore, do not add Sheets prior to product storage or use.
dry Admix powder directly to wet concrete as this may
cause clumping and thorough dispersion will not occur. Warranty
The Manufacturer warrants that the products manufac-
ii. Concrete containing the Xypex Admix does not pre-
tured by it shall be free from material defects and will be
clude the requirement for design of crack control, con-
consistent with its normal high quality. Should any of the
struction joint detailing and measures for repairing defects
products be proven defective, the liability to the Manu-
in concrete (i.e. honeycombing, tie holes, cracks beyond
facturer shall be limited to replacement of the product
specified limits).
ex factory. The Manufacturer makes no warranty as to
For further information regarding the proper use of Xypex merchantability or fitness for a particular purpose and
Admix for a specific project, consult with a Xypex technical this warranty is in lieu of all other warranties expressed
services representative. or implied. The user shall determine the suitability of the
product for his intended use and assume all risks and
Setting Time and Strength liability in connection therewith.
The setting time of concrete is affected by the chemical
and physical composition of ingredients, temperature of
the concrete and climatic conditions. Xypex Admix C-500
is specifically formulated to meet modern concrete prac-
tices that incorporate additives such as fly ash and slag.
For most concrete mix designs adding the Xypex Admix
13731 Mayfield Place, Richmond, BC, Canada V6V 2G9 Toll-free: 1.800.961.4477
Tel: 604.273.5265 Fax: 604.270.0451 E-mail: info@xypex.com Web: www.xypex.com ISO 9001:2008
XYPEX is a registered trademark of Xypex Chemical Corporation. Copyright © 2004-2009 Xypex Chemical Corporation. FM 63167
