DURAGUARD 425 MMA
PIGMENTED, HIGH BUILD METHYL METHACRYLATE
TOP COAT
SPECIALTY CONSTRUCTION PRODUCTS EPA VOC
PRODUCT DATA
DESCRIPTION
Solid 100%
Duraguard 425 mMa is a three-component, high build,
methyl methacrylate (mMa) coating. The three basic com- Water Absorption (ASTM D-570) <0.1%
ponents that make up Duraguard 425 mMa are Duraguard
Compressive Strength (ASTM C 109)
425 Resin, Duraguard 425 Pigment and Duraguard
7500 psi 52MPa
mMa Catalyst. When a clear methyl methacrylate topcoat
is desired, use Duraguard 420 mMa. Tensile Strength (ASTM C 307) 2100 psi 14 MPa
An accelerator additive, Duraguard mMa Accelerator is Flexural Strength (ASTM C 348 3100 psi 21 MPa
available for use in cold temperatures (below 40oF).
CHEMICAL RESISTANCE
USES Distilled water R Salt water R
鈥? Duraguard 425 mMa is used as a topcoat (wearing Alkalies
surface) for a methyl methacrylate flooring system. It can Ammonia 10% R Caustic Soda 50% R
be applied directly of the primer coat (Duraguard 400 Potassium Hydroxide 50% R
mMa) or over a body coat of Duraflow 450 mMa or Acids
Duraflow 455 mMa. Acetic Acid 10% R Acetic Acid 30% R
Chromic Acid 40% R Citric Acid 30% R
鈥? Surfaces subject to high levels of abrasion, impact loading Formic Acid 10% R Formic Acid 30% C
including industrial, commercial and warehousing appli- Hydrochloric concentrate R Lactic Acid 30% R
cations Nitric Acid 10% R Nitric Acid 30% C
Oxalic Acid 10% R Phosphoric Acid 40% R
鈥? Food or chemical processing plants subjected to high
Sulfuric Acid 50% R
levels of thermal cycling, aggressive cleaning and chemi-
Salts/Salt Solutions
cal attack.
Ammonium Chloride R Ammonium Sulfate R
Calcium Chloride R Potassium Chloride R
ADVANTAGES
Sodium Chloride R Sodium Carbonate R
鈥? Rapid curing (less than 1 hour) and recoat window for
Sodium Hypochlorite R Sodium Sulfate R
minimal downtime
Petrochemicals
鈥? Can be applied at temperatures as low as -20oF Crude Oil R Diesel Fuel R
Gasoline, high octane R Kerosene R
鈥? Excellent resistant to deterioration or discoloration from Mineral Oil R Parafin OIl R
ultraviolet light (UV) exposure Petroleum R White Spirits R
Solvents
鈥? Superior resistance to alcohols, petroleum products and
Acetone N/R Benzene C
aromatic solvents Ethanol 30% R n-Heptane R
Isopropyl Alcohol C Perchloroethylene R
鈥? Clear and pigmented formulations available.
Phenols R Styrene R
TECHNICAL DATA Turpentine R Toluene C
Xylene C
V.O.C. Content: 0 gm/L
Miscellaneus
USDA approved for incidental contact at federally in- Vegetable Oils R Animal Fats R
spected meat, fish and poultry plants Fruit Juices R Vegetable Juices R
Wine R
Density 8.40-8.60 lbs./gal Key: R= Recommended, C= Consult ChemMasters technical
service staff.
Viscosity (ASTM D-2393) 200-300 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
with a short nap, solvent resistant roller.
TECHNICAL DATA CONTINUED
RECOAT: Duraguard 425 mMa can be recoated once the
Pot Life 10-40 minutes
whole floor is dry to the touch, usually within one to two
Cure Time 20-60 minutes hours after placement.
PACKAGING CLEANUP
Duraguard 425 Resin is available in 5 gallon (18.9 Liter) Clean tools and equipment before material dries and sets
pails or 55 gallon (207.9 liter) drums. Duraguard mMa with xylene or xylol.
Catalyst is packaged in 5 pound (2.3 kg) pails packaged 4
LIMITATIONS
to a case or 55 pound (24.9 kg) boxes. Duraguard 425
Pigment is packaged in quart cans. Duraguard mMa 鈥? Duraguard 425 mMa is not designed for application in
Accelerator is packaged in 1 gallon (3.7 liter) pails. Resin, direct sunlight. The topping may blister or pinhole due to
catalyst and accelerator are sold separately. out gassing of air in the concrete and high substrate
temperatures.
ESTIMATING GUIDE
鈥? Duraguard 425 mMa is exothermic, generating a large
100 Ft.2/gal 2.5 M2/L
15 mils
amount of heat when initially mixed. Do not mix more
than 2 gallons of Duraguard 425 mMa at a time. A large
DIRECTIONS
mass of material can ignite. Immediately after mixing
SURFACE PREPARATION: The surface must be primed with
pour all of the material onto the floor to dissipate the heat.
Duraguard 400 mMa and clean. For complete surface
assessment and preparation guidelines, refer to ChemMas-
鈥? Exposure to excessive heat may cause premature
ters Technical Bulletin, Floor Preparation Guide, or contact
gelling and reduce the working time.
ChemMasters technical service staff. Allow any previous
applications of methyl methacrylates to dry for 1-2 hours, 鈥? Duraguard 425 mMa is extremely fast setting. Floors
before applying Duraguard 425 mMa. must be completely prepared and ready before material
is mixed.
MIXING: Add the Duraguard 425 Pigment to the Duraguard
425 Resin (1 or 2 quarts of pigment depending on the color 鈥? Good ventilation of the repair area is strongly recom-
per 5 gallons of resin). Mix until thoroughly blended. The mended to aid in the thorough cure of Duraguard 425
amount of Duraguard mMa Catalyst required for each mMa.
gallon of Duraguard 425 Resin is dependant on the surface
STORAGE
temperature of the floor. Mixing too much catalyst will cause
Store factory sealed containers of unmixed material at 50掳-
the material to set extremely quickly and may result in
75掳F (10掳-24掳C) temperatures away from direct sunlight
improper bonding to the previous coats of methyl methacry-
and sources of heat. Temperatures in excess of 75掳F
late. Insufficient catalyst may prevent proper curing Refer to
(24掳C) cause premature aging of the material. Shelf life of
Duraguard mMa Mixing Chart to ensure proper catalyst
properly stored material is one year from date of manufac-
dosing. Duraguard mMa Accelerator is used in applica-
ture.
tions at temperatures below 40oF. Refer to Duraguard mMa
mixing chart for details on dosing of these components. CAUTION
FLAMMABLE LIQUID: Keep away from heat or open flames. Use
Duraguard 425 mMa must be thoroughly mixed before
with adequate ventilation. May cause skin, eye and
application. Add the appropriate amount of Duraguard
respiratory tract irritation. Do not take internally. Keep out
mMa Catalyst for each gallon (liter) of Duraguard 425
of reach of children.
Resin. Add the appropriate amount of Duraguard mMa-
Accelerator if applicable. Mix for 30 seconds using a ORGANIC PEROXIDE: Keep away from all sources of heat
mechanical drill equipped with a spiral type mixing prop. including sunlight. Causes eye, skin and respiratory tract
Take care not to incorporate excess air into the mix. irritation. May cause allergic skin reaction. Do not take
internally. Keep out of reach of children.
APPLICATION: Immediately pour all of the mixed Duraguard
425 mMa onto the primed concrete or previous methyl All label precautions and MSDS must be fully understood
methacrylate coats, spread with a serrated squeegee main- before using this product.
taining a 15 mil wet film thickness, then backroll into place
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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