DURAPATCH MMA-G
FLUID METHYL METHACRYLATE
GROUT AND REPAIR MORTAR
SPECIALTY CONSTRUCTION PRODUCTS
PRODUCT DATA
鈥? Exceptional ultraviolet light stability
DESCRIPTION
Durapatch MMA-G is a three component, methyl 鈥? A unit can be extended with up to 70 pounds of 3/8"
methacylate based grout and concrete patching mate- washed pea gravel or used neat
rial. Durapatch MMA-G sets very rapidly even in freez-
TECHNICAL DATA
ing temperatures to minimize downtime or traffic dis-
USDA approved for incidental contact in federally in-
ruption. It develops very high strength rapidly. When
spected meat, fish and poultry plants.
mixed, Durapatch MMA-G forms a very fluid, durable
polymer concrete which has very high bond, compres- Pot Life @ 70oF AASHTO T237 20-30 min.
sive and flexural strength, resists freeze thaw damage
and has excellent chemical resistance. Compressive Strength (ASTM C 109)
(All testing was conducted neat and with the product
USES extended with 50 pounds of pea gravel)
鈥? Grouting of bearing plates on bridges and tressels
1 hour @ 100oF extended 3,520 psi
鈥? Rehabilitation of bridge decks, airport runways and
1 hour @ 19oF neat 3,850 psi
expansion joints
extended 6,650 psi
24 hour @ 70oF neat 6,210 psi
鈥? Cold weather patching
extended 8,480 psi
鈥? Industrial and commercial concrete repair applica-
tions where a highly fluid material and quick turn- Bond Strength 7 days ASTM C881
around is important neat 3,790 psi
extended 2,670 psi
鈥? Chemical resistant patching applications such as in
chemical / food processing or containment areas Flexural Strength 7 days AASHTO T97
neat 3,440 psi
鈥? Areas where a pourable, high strength patching is
extended 3,070 psi
required such as loading docks, high traffic aisleways,
tipping floors or floors subjected to steel wheel traffic Tensile Strength - 7 days AASHTO T198 2,330 psi
ADVANTAGES Elongation 15-20%
鈥? High flow for full bearing of base plates
Yield neat 0.58 cu ft
extended with 50 pounds of pea gravel 0.98 cu ft
鈥? Self leveling for ease of placement
鈥? Wide range of temperature applications (from 10o to PACKAGING
110oF)
Each unit of Durapatch MMA-G contains 1 gallon of
MMA monomer (Part A) packed in a 1 gallon round can,
鈥? Cures rapidly for emergency repairs in high traffic
14 ounces of catalyst (Part B) and 70 pounds of
areas
aggregate (Part C). All components may be shipped
鈥? Develops high compressive, tensile and flexural separately for large projects or all components for a unit
strengths; withstands high levels of abrasion and may be packaged in a 6 gallon pail.
impact loading
DIRECTIONS
鈥? Excellent bond to existing concrete SURFACE PREPARATION: Concrete must be free of coat-
ings, dirt, oil or other contaminants. Concrete must be
鈥? Flexibility to withstand vigorous thermal cycling
frost free and dry. The perimeter of the patch should be
鈥? Freeze thaw resistant saw cut to a minimum depth of 1/2 inch. All loose and
鈥? Excellent resistance to acids and alkalies
Revised Apr 2002
ChemMasters
An American Owned & Operated Company
300 EDWARDS STREET 鈥? MADISON, OHIO 44057-3112
(216) 428-2105 鈥? FAX (216) 428-7091 鈥? ORDER LINE: (800) 486-7866
www.chemmasters.net
or steel finishing trowel to place and compact mortar
deteriorated concrete should be removed. Sandblast all
into voids to be filled. Do not featheredge the material.
exposed reinforcing steel to remove all rust.
Caution must be taken due to the rapid setting time of
PRIMING: It is recommended that areas to be grouted or material. Do not overwork the surface.
patched are primer coated first. The primer material is made
CLEANUP
from one of the Durapatch MMA-G kits. The primer consists
When operations are completed or interrupted for more
of the liquid MMA monomer (Part A) and powdered catalyst
than 15 minutes, the mixing vessel and application
(Part B). Coverage rate for the primer is 100 square feet per
tools must be cleaned. Clean tools and equipment
gallon. Take enough Part A to prime the area. For a full
before material dries and sets with xylene, xylol or the
gallon of Part A, use 5 fluid ounces of the Part B catalyst.
Part A monomer of the Durapatch MMA-G kit. If the
Stir in the catalyst until completely dissolved and using a
monomer is used for cleaning, it can be saved and used
bush or roller. Quickly, apply the primer to the concrete.
for the next mix or saved for future cleanings. Adding
The pot life of a gallon of primer is only 15 minutes. Do not
coarse aggregate to the mixer while cleaning aids in
puddle the primer. Allow the primer to dry to the touch
removing the polymer concrete.
before installing a kit of Durapatch MMA-G. The primer will
cure in approximately 30 to 40 minutes depending on
STORAGE
surface and air temperature. It is recommended that the
Store factory sealed containers of unmixed material at
unit broken for priming be reserved for primer needs only.
50掳-75掳F temperatures away from direct sunlight and
MIXING: To mix one unit of neat material at a time, use a sources of heat. Temperatures in excess of 75掳F cause
heavy duty 1/2" or larger drill equipped with a jiffler type premature aging of the material. Shelf life of properly
mixing prop. Pour the Part A monomer into a clean stored material is one year from date of manufacture.
container with a capacity of a minimum of 6 gallons. If the
LIMITATIONS
temperature is above 50oF, add 7 fluid ounces of Part B
鈥? Durapatch MMA-G is exothermic, generating a large
catalyst to the Part A monomer. At lower temperatures or
amount of heat when initially mixed. After mixing
where extremely fast set is desired, add up to 14 fluid
immediately pour all of the material into the area to be
ounces of catalyst. It is highly suggested that when
patched to dissipate the heat.
beginning a project, a maximum of 7 fluid ounces of catalyst
be used so that working time at that level can be measured 鈥? It is important to use all of the Part A resin and Part
before determining if additional catalyst can be used on C aggregate provided in each unit to obtain proper mix
subsequent units. Adding additional catalyst reduces the ratio and consistency
pot life and set time of the material. Add the catalyst and
mix for 1 minute. Avoid incorporating excess air into the 鈥? Durapatch MMA-G is extremely fast setting. Sub-
mix. Add all of the premeasured Part C aggregate slowly strate must be completely prepared and ready before
while continuing to mix the grout. Blend until all aggregate material is mixed.
is coated and thoroughly wet out.
鈥? Good ventilation of the repair area is recommended to
If the Durapatch MMA-G is to be extended with pea gravel aid in the thorough cure of Durapatch MMA-G.
or if more than one unit at a time is to be mixed, a mortar
CAUTIONS
mixer is recommended. A wheel barrow or mortar box can
FLAMMABLE LIQUID: Keep away from heat or open flames.
also be used for mixing. Add Part A monomer to the mixing
Use with ventilation. May cause skin, eye and respira-
vessel first, Blend in the appropriate amount of Part B
tory tract irritation. Do not take internally. Keep out of
catalyst (see above) and mix until Part B is completely
reach of children.
dissolved. Add the Part C while mixer continues to blend
and add up to 70 pounds of clean dry pea gravel to the mix ORGANIC PEROXIDE: Keep away from all sources of heat
and blend the mix for 1-2 minutes. Adding pea gravel to including sunlight. Causes eye, skin, and respiratory
Durapatch MMA-G will severely reduce the flowability and tract irritation. May cause allergic skin reaction. Do not
self leveling characteristics of the product. take internally. Keep out of reach of children.
APPLICATION: If using Durapatch MMA-G as a grout, form the All label precautions and the MSDS must be fully
area to be grouted and pour the material into place. If mixed understood before using this product.
with pea gravel and used as a mortar, use a mason's trowel
This Product is Formulated and Labeled for Industrial and Commercial Use Only
FOR BEST RESULTS AND SAFEST USAGE, USER IS SPECIFICALLY DIRECTED TO CONSULT
THE CURRENT MATERIAL SAFETY DATA SHEET AND PACKAGE LABEL FOR THIS PRODUCT
We warrant our products to meet our published specifications and to be free from defects in materials and workmanship to the acceptable quality levels defined in these specifications. If
acceptable quality levels are not specified, the acceptable quality levels will be those normally supplied by us for the product. We make no guarantee of the results to be obtained from the use of
our products. The determination as to the adaptability of any of our products to the specific needs of the Buyer is solely Buyer's prerogative and responsibility. We are glad to offer suggestions
on the use of our products. Nevertheless, there are no warranties given except such expresses warranties offered in connection with the sale of a particular product. Our liability shall be limited
to replacement of, or refund of an amount not to exceed the purchase price attributed to, the goods as to which such claim is made. Our selection of one of these alternatives shall be Buyer's
exclusive remedy. IN NO CASE SHALL WE BE LIABLE FOR CONSEQUENTIAL OR SPECIAL DAMAGES, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE
FOREGOING WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES, GUARANTEES, CO-CONDITIONS AND REPRESENTATIONS, EITHER EXPRESSED OR IMPLIED, WHETHER
ARISING UNDER ANY STATUTE, COMMON LAW, USAGE OR TRADE, COURSE OF DEALING OR OTHERWISE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
ChemMasters
漏2001 Printed in U.S.A.
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