CPD庐 RAPIDCRETE
Chloride Permeability
DESCRIPTION
CPD庐 Rapidcrete is a ready-to-use, fast setting, high (AASHTO T-277-831) 23掳C
strength patching material. It is non-metallic, non - staining, 4L Water/25 kg bag
and non-toxic. CPD庐 Rapidcrete can be used for both (1.06 U.S. gal/55 lb) . . . . . . . . . . . . . . 208 Coulombs
interior and exterior applications.
Water Absorption
(M1-67-92) % Weight Gain
WHERE TO USE
CPD庐 Rapidcrete is particularly useful when downtime is 4 L Water/25 kg bag . . . . . . . . . . . . . . . . . . . 3.67%
at a premium and where low temperatures do not allow (1.06 U.S. gal/55 lb)
ordinary cement based patching compounds to properly
cure. The rapid hydration of this product allows moisture Salt Scaling
sensitive coatings such as polyurethanes to be applied to the (MTO Method 1315-07) 50 cycles . . . . . . 0.467 kg/m虏
patched area in 24 hours under normal conditions.
Applications include repairing concrete floors in factories, The above information is representative of actual
warehouses, parking decks and ramps, loading dock areas production runs. Independent test results may vary from
and cold storage rooms, concrete bridge deck repairs and the above by approximately 卤 10 %.
concrete runway repairs.
APPLICATION
BENEFITS Surface Preparation
鈥? fast setting The concrete substrate to receive the patching compound
鈥? high strength must be clean and sound. Square out the patch area
鈥? excellent freeze-thaw resistance minimum 12 mm ( 陆") and chip out all contaminated
鈥? very low permeability concrete. Soak patch area with water so that the concrete
鈥? high resistance to sulphate attack is thoroughly damp (no free standing water should be
鈥? non-toxic present). For substrate temperatures below 10? (50?
C F)
use a slurry bond coat of CPD庐 Rapidcrete and water.
鈥? chloride free
For substrate temperatures above 10掳C (50掳F) CPD庐
Concentrated Latex Adhesive, diluted 1:1 with water, can
PROPERTIES
be mixed with CPD庐 Rapidcrete powder to form a slurry
Compressive Strength**
(ASTM C109-77)@ 21? C(70掳F) bond coat mix. Scrub into the concrete then apply the
mixed material as soon as possible . The mixed CPD庐
Mortar Consistency
(4.5L water/25 kg bag)/(1.19 U.S. gal/55 lb) Rapidcrete must be applied before the slurry bond coat
2 hours . . . . . . . . . . . . . . . . . . . 25.6 MPa (3,720 psi) sets.
4 hours . . . . . . . . . . . . . . . . . . . 28.5 MPa (4,135 psi)
24 hours . . . . . . . . . . . . . . . . . . 46.2 MPa (6,700 psi) MIXING
CPD庐 Rapidcrete can be mixed with different quantities
3 days . . . . . . . . . . . . . . . . . . . . 54.5 MPa (7,900 psi)
28 days . . . . . . . . . . . . . . . . . . . .65.5 MPa (9,500 psi) of water to yield a wide range of consistencies from
trowel grade to pourable. This product can also be mixed
** This mix was extended with an equal weight of washed with a dilute latex solution to improve certain physical
10mm pea gravel. properties if desired. As with all cementitious products,
use only enough water to achieve the desired consistency.
Slant Shear Bond Strength Do no exceed 5L (1.32 US gal) of water per 25 kg (55
(ASTM C882-91) 4 L water/25 kg bag lb) bag.
(1.06 U.S. gal/55lb)
CPD庐 recommends extending CPD庐 Rapidcrete with an
1 day . . . . . . . . . . . . . . . . . . . . . . . 14 MPa (2,043 psi)
equal weight (or loose volume) of clean 10mm (3/8鈥?) pea
28 days . . . . . . . . . . . . . . . . . . . . . 19 MPa (2,770 psi)
gravel for all patching over 32 mm (1 1/4") in depth.
0392-08-1105
CURING WARRANTY
Wet curing of all patches and exposed grout areas is The recommendations made and the information herein is
required as specified below. Curing by application of a film based on our own laboratory experience, and is believed
to be accurate under controlled conditions. However, no
forming curing compound is not recommended as a direct
substitute for wet curing. Once the CPD庐 Rapidcrete has warranty or guarantee of accuracy is made because we
cannot cover every possible application of product nor
set (the material has a patchy-like finish) which is usually
anticipate every variation encountered in weather
30-45 minutes after placing @ 20掳C (70掳F), the product
conditions, job-conditions, methods used and types of
must now be wet cured for a minimum of 1-2 hours. This
surfaces on which the product is applied. The users shall
can be achieved by keeping the applied product wet covered
make their own tests to determine the suitability of such
with a layer of water, or using burlap that is continually
products for any particular purpose.
kept saturated with water. If neither of these curing
methods are possible, contact your CPD technical
CPD庐 makes no warranties with respect to this product,
representative.
expressed or implied, without limitation, the implied
warranties of merchantability or fitness for a particular
LIMITATIONS
purpose.
鈥? not for use on substrates below 0? (32?
C F)
鈥? not recommended for structural grouting applications
CPD庐鈥? liability shall be limited in all events to supplying
s
鈥? not suitable for acid exposure
sufficient product to re-treat and/or repair the specific
鈥? maximum service temperature 176掳C (350掳F)
area to which CPD庐 product has been applied.
鈥? minimum thickness 13mm (1/2")
CPD庐 reserves the right to have the true cause of any
difficulty determined by accepted test methods. CPD庐
COVERAGE
shall have no other liability, including liability for
0.014m鲁( 0.50 ft鲁) per 25 kg (55 lb) bag.
incidental, consequential or resultant damages, however
caused, whether due to breach of warranty, negligence, or
STANDARDS
strict liability.
Approved for use on all MTO & MTQ (Ministry of
Transportation Ontario & Quebec) projects.
THIS WARRANTY MAY NOT BE MODIFIED OR
EXTENDED BY REPRESENTATIVES OF CPD庐, ITS
PACKAGING
CPD庐 Rapidcrete is packaged in 25 kg (55 lbs.) multi wall DISTRIBUTORS OR DEALERS.
bags.
CPD庐 Concentrated Latex Adhesive is available in:
3.79L (1 U.S. gal), 18.9L (5 U.S. gal) and 208L (55 U.S.
gal) containers.
CLEAN UP
Clean all mixers and tools with water before product
hardens.
STORAGE
May be stored short term anywhere under tarp on pallets as
long as the product is kept dry. Dry heated warehouse
storage is recommended for extended storage.
SHELF LIFE
One year when stored in dry warehouse on pallets in
original bags. Protect from moisture.
SAFETY PRECAUTIONS
Consult Material Safety Data Sheet ( M.S.D.S.)
for specific instructions. MSDS # 216.
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