Page 28 - Industrial Coatings

POLYCOAT POLYEURO® MPL 55
PRODUCTS
Two Component Modified
A Division of American Polymers Corp. Polyurea Protective Coating

DESCRIPTION TECHNICAL DATA
Polyeuro® MPL 55 is a two component, 1:1, 100% solids, fast Mix Ratio, by volume ......................................... 1A:1B
set, liquid applied, modified polyurea liner system for metal, Pot Life @ 150°F ................................................ 2-4 seconds
concrete, fiberglass and wood surfaces. Tack Free Time (150 mils Thick) .............................. 10-30 seconds
Recoat Time ........................................................ 0-12 hours
FEATURES Viscosity at 150-160°F (65.5-71°C), Brookfield:
Side-A ................................................................ 120 ± 20 cps
 Seamless High Build Side-B ................................................................. 190 ± 20 cps
Density (Side-A & B Combined) ........................ 9.17 lbs/gal
Tough and Elastomeric Quick Drying Specific Gravity (Side-A & B Combined) .......... 1.10
Flash Point .......................................................... >200°F
Chemical Resistance Hardness, ASTM D-2240* ................................. 55 ± 5 Shore D
Tensile, ASTM D-412* ........................................ 2700 ± 300 psi
Low Temperature Flexibility Elongation, ASTM D-412* .................................. 200 ± 20%
Tear, ASTM D-624* ............................................ 400 ± 40 pli
Abrasion and Impact Resistant Service Temperature ......................................... -20°F to 250°F

TYPICAL USES (*These physical properties from sample sprayed with Graco Foam
Cat 200 @ 2000 psi minimum, with Gusmer GX7-400 mechanical
Truck Bed Surfaces Cargo Holds purge gun @ 150-160°F. Different machine and parameter will
change these properties. User should perform their own independent
Utility Vehicles Horse Trailers testing as properties are approximate.)

Cargo liners Industrial Floorings used, it is important to consider the possibility of substrate
absorption, which may affect the adhesion of the coating
Boat Linings Walkways system, regardless of the surface preparation. Polycoat
recognizes the potential for unique substrates from one
Waterproof Decking Containment Areas project to another. The following information is for general
reference, and for project-specific questions, contact Polycoat.
Encapsulation of Fiberglass Bodies and Polystyrene Foams New and Old Concrete:
Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New
COLOR concrete must be cured for 28 days prior to product applica-
Clear/Neutral or Black. Custom colors are available upon tion. Surface must be clean, dry, sound and offer sufficient
request. Color Packs, when used, must be added to Part-B. profile for product adhesion. Remove all dust, dirt, oil, form
release agents, curing compounds, salts, efflorescence,
Due to its aromatic composition, Polyeuro® MPL 55 will laitance and other foreign matter by shotblasting and/or
tend to yellow or darken in color and will become flat after suitable chemical means, in accordance with local chemical
exposure to UV light. Polyeuro® MPL 55 may be topcoated regulations. Rinse thoroughly, to achieve a pH between 8.0
within twelve hours of application with an aliphatic polyure- and 11.0. Allow to dry completely. If old concrete has a surface
thane/polyurea coating for a colorfast finish. that has deteriorated to an unacceptably rough surface,
Polycoat Products PC-260 or a mixture of Polyprime 21 and
PACKAGING sand should be used as a repair agent for cracks, spalls, bug
10 gallon kit: 5 gallons (47 lbs. net) Side-A (Isocyanate side) holes and voids.
and 5 gallons (43 lbs. net) Side-B (Resin side). Concrete Surface Preparation Reference:
ASTM D4258 - Standard practice for cleaning concrete
100 gallon kit: 50 gallons (473 lbs. net) Side-A (Isocyanate ASTM D4259 - Standard practice for abrading concrete
side) and 50 gallons (neutral: 433 lbs. net, black: 435 lbs. net) ASTM D4260 - Standard practice for etching concrete
Side-B (Resin side) ASTM F1869 - Standard test method for measuring moisture
vapor emission rate of concrete
PACKAGING ICRI 03732 - Concrete surface preparation
10 gallon kit: 5 gallons Part-A (Isocyanate side) and 5 gallons Wood:
Part-B (Resin side). All wood should be clean, dry and free of any knots, splinters,
oil, grease or other contaminants. Splintered or rough areas
100 gallon kit: 50 gallons Part-A (Isocyanate side) and 50
gallons Part-B (Resin side).

COVERAGE
Polyeuro® MPL 55 may be applied at any rate to achieve
desired thickness. Theoretical coverage for 1 mil thickness
is one gallon per 1600 sq. ft.

SURFACE PREPARATION
In general, coating performance and adhesion are directly
proportional to surface preparation. Most failures in the
performance of surface coatings can be attributed to poor
surface preparation. Polyurea coatings rely on the structural
strength of the substrate to which they are applied. All sur-
faces must be free of dust, dirt, oil, grease, rust, corrosion and
other contaminants. When coating substrates previously

14722 Spring Avenue  Santa Fe Springs, CA 90670-5108 USA  Tel: 562/802-8834  Fax: 562/921-7363  www.polycoatusa.com  Copyright  September 2011 Polycoat Products