DURAGUARD 420 MMA
CLEAR, HIGH BUILD METHYL METHACRYLATE
TOP COAT
SPECIALTY CONSTRUCTION PRODUCTS EPA VOC
PRODUCT DATA
DESCRIPTION
Solids 100%
Duraguard 420 mMa is a two-component, high build,
methyl methacrylate (mMa) coating. The two basic compo- Water Absorption (ASTM D-570) <0.1%
nents that make up Duraguard 420 mMa are Duraguard
Compressive Strength (ASTM C 109)
420 Resin and Duraguard mMa Catalyst. Duraguard
7500 psi 52MPa
420 mMa dries clear and is intended for use as a topcoat
on decorative systems including flake and colored quartz Tensile Strength (ASTM C 307) 2100 psi 14 MPa
broadcast systems. When a pigmented methyl methacry-
Flexural Strength (ASTM C 348 3100 psi 21 MPa
late topcoat is desired, use Duraguard 425 mMa.
CHEMICAL RESISTANCE
An accelerator additive, Duraguard mMa Accelerator is
available for use in cold temperatures (below 40oF). Distilled water R Salt water R
Alkalies
USES Ammonia 10% R Caustic Soda 50% R
鈥? Duraguard 420 mMa is used as a topcoat (wearing Potassium Hydroxide 50% R
surface) for a methyl methacrylate flooring system. It can Acids
be applied directly of the primer coat (Duraguard 400 Acetic Acid 10% R Acetic Acid 30% R
mMa) or over a body coat of Duraflow 450 mMa. Chromic Acid 40% R Citric Acid 30% R
Formic Acid 10% R Formic Acid 30% C
鈥? Surfaces subject to high levels of abrasion, impact loading Hydrochloric concentrate R Lactic Acid 30% R
including industrial, commercial and warehousing appli- Nitric Acid 10% R Nitric Acid 30% C
cations Oxalic Acid 10% R Phosphoric Acid 40% R
Sulfuric Acid 50% R
鈥? Food or chemical processing plants subjected to high
Salts/Salt Solutions
levels of thermal cycling, aggressive cleaning and chemi-
Ammonium Chloride R Ammonium Sulfate R
cal attack.
Calcium Chloride R Potassium Chloride R
Sodium Chloride R Sodium Carbonate R
ADVANTAGES
Sodium Hypochlorite R Sodium Sulfate R
鈥? Rapid curing (less than 1 hour) and recoat window for
Petrochemicals
minimal downtime
Crude Oil R Diesel Fuel R
鈥? Can be applied at temperatures as low as -20oF Gasoline, high octane R Kerosene R
Mineral Oil R Parafin OIl R
鈥? Excellent resistant to deterioration or discoloration from Petroleum R White Spirits R
ultraviolet light (UV) exposure Solvents
Acetone N/R Benzene C
鈥? Superior resistance to alcohols, petroleum products and Ethanol 30% R n-Heptane R
aromatic solvents Isopropyl Alcohol C Perchloroethylene R
Phenols R Styrene R
鈥? Clear and pigmented formulations available.
Turpentine R Toluene C
TECHNICAL DATA Xylene C
Miscellaneus
V.O.C. Content: 0 gm/L
Vegetable Oils R Animal Fats R
USDA approved for incidental contact at federally in- Fruit Juices R Vegetable Juices R
spected meat, fish and poultry plants Wine R
Key: R= Recommended, C= Consult ChemMasters technical
0.97-1.01 g/cm3
Density 8.09-8.42 lbs./gal service staff.
Viscosity (ASTM D-2393) 80-90 cps Application Temperature -20 to 95掳F (-18 to 35掳C)
ChemMasters Revised Aug 2007
An American Owned & Operated Company
300 EDWARDS STREET 鈥? MADISON, OHIO 44057-3112
(440) 428-2105 鈥? FAX (440) 428-7091 鈥? ORDER LINE: (800) 486-7866
CLEANUP
TECHNICAL DATA CONTINUED
Clean tools and equipment before material dries and sets
Pot Life 10-20 minutes
with xylene or xylol.
Cure Time 20-40 minutes
LIMITATIONS
PACKAGING
鈥ll methyl methacrylate installations require good ventila-
Duraguard 420 Resin is available in 5 gallon (18.9 Liter)
tion. Proper ventilation assures that the mMa vapors,
pails or 55 gallon (207.9 liter) drums. Duraguard mMa
which are heavier than air are removed from the surface
Catalyst is packaged in 5 pound (2.3 kg) pails packaged 4
of the floor. Removal of these vapors allows the for a hard
to a case or 55 pound (24.9 kg) boxes. Duraguard mMa
continuous film to form at the surface
Accelerator is packaged in 1 gallon (3.7 liter) pails. Resin,
catalyst and accelerator are sold separately. 鈥? Duraguard 420 mMa is not designed for application in
direct sunlight. The topping may blister or pinhole due to
ESTIMATING GUIDE
out gassing of air in the concrete and high substrate
100 Ft.2/gal 2.5 M2/L
15 mils
temperatures.
DIRECTIONS 鈥? Duraguard 420 mMa is exothermic, generating a large
SURFACE PREPARATION: The surface must be primed with amount of heat when initially mixed. Do not mix more
Duraguard 400 mMa and clean. For complete surface than 2 gallons of Duraguard 420 mMa at a time. A large
assessment and preparation guidelines, refer to ChemMas- mass of material can ignite. Immediately after mixing
ters Technical Bulletin, Floor Preparation Guide, or contact pour all of the material onto the floor to dissipate the heat.
ChemMasters technical service staff. Allow any previous
鈥? Exposure to excessive heat may cause premature gel-
applications of methyl methacrylates to dry for 1-2 hours,
ling and reduce the working time.
before applying Duraguard 420 mMa.
鈥? Duraguard 420 mMa is extremely fast setting. Floors
MIXING: The amount of Duraguard mMa Catalyst required
must be completely prepared and ready before material
for each gallon of Duraguard 420 Resin is dependant on the
is mixed.
surface temperature of the floor. Mixing too much catalyst
will cause the material to set extremely quickly and may 鈥? Good ventilation of the repair area is strongly recom-
result in improper bonding to the previous coats of methyl mended to aid in the thorough cure of Duraguard 420
methacrylate. Insufficient catalyst may prevent proper cur- mMa.
ing Refer to Duraguard mMa Mixing Chart to ensure proper
鈥? Duraguard 420 mMa will appear to have a bluish cast
catalyst dosing. Duraguard mMa Accelerator is used in
in the pail, but the material dries clear on the floor.
applications at temperatures below 40oF. Refer to Duraguard
mMa mixing chart for details on dosing of these compo-
STORAGE
nents.
Store factory sealed containers of unmixed material at 50掳-
Duraguard 420 mMa must be thoroughly mixed before 75掳F (10掳-24掳C) and away from direct sunlight and sources
application. Add the appropriate amount of Duraguard of heat. Temperatures in excess of 75掳F (24掳C) cause
mMa Catalyst for each gallon (liter) of Duraguard 420 premature aging of the material. Shelf life of properly stored
Resin. Add the appropriate amount of Duraguard mMa- material is one year from date of manufacture.
Accelerator if applicable. Mix for 30 seconds using a
CAUTION
mechanical drill equipped with a spiral type mixing prop.
FLAMMABLE LIQUID: Keep away from heat or open flames. Use
Take care not to incorporate excess air into the mix.
with adequate ventilation. May cause skin, eye and
APPLICATION: Immediately pour all of the mixed Duraguard respiratory tract irritation. Do not take internally. Keep out
420 mMa onto the primed concrete or previous methyl of reach of children.
methacrylate coats, spread with a serrated squeegee main-
ORGANIC PEROXIDE: Keep away from all sources of heat
taining a 15 mil wet film thickness, then backroll into place
including sunlight. Causes eye, skin and respiratory tract
with a short nap, solvent resistant roller.
irritation. May cause allergic skin reaction. Do not take
RECOAT: Duraguard 420 mMa can be recoated once the internally. Keep out of reach of children.
whole floor is dry to the touch, usually within one to two hours
All label precautions and MSDS must be fully understood
after placement.
before using this product.
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 - 300 Edwards Street - Madison, OH 44057
漏2001 Printed in U.S.A.
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