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POLYEURO® MPL 55

Two Component Modified

Polyurea Protective Coating

DESCRIPTION

Polyeuro® MPL 55 is a two component, 1:1, 100% solids, fast

set, liquid applied, modified polyurea liner system for metal,

concrete, fiberglass and wood surfaces.

FEATURES

􀂙Seamless 􀂙High Build

􀂙Tough and Elastomeric 􀂙Quick Drying

􀂙Chemical Resistance

􀂙Low Temperature Flexibility

􀂙Abrasion and Impact Resistant

TYPICAL USES

􀂙Truck Bed Surfaces 􀂙Cargo Holds

􀂙Utility Vehicles 􀂙Horse Trailers

􀂙Cargo liners 􀂙Industrial Floorings

􀂙Boat Linings 􀂙Walkways

􀂙Waterproof Decking 􀂙Containment Areas

􀂙Encapsulation of Fiberglass Bodies and Polystyrene Foams

COLOR

Clear/Neutral or Black. Custom colors are available upon

request. Color Packs, when used, must be added to Part-B.

Due to its aromatic composition, Polyeuro® MPL 55 will

tend to yellow or darken in color and will become flat after

exposure to UV light. Polyeuro® MPL 55 may be topcoated

within twelve hours of application with an aliphatic polyurethane/

polyurea coating for a colorfast finish.

PACKAGING

10 gallon kit: 5 gallons (47 lbs. net) Side-A (Isocyanate side)

and 5 gallons (43 lbs. net) Side-B (Resin side).

100 gallon kit: 50 gallons (473 lbs. net) Side-A (Isocyanate

side) and 50 gallons (neutral: 433 lbs. net, black: 435 lbs. net)

Side-B (Resin side)

PACKAGING

10 gallon kit: 5 gallons Part-A (Isocyanate side) and 5 gallons

Part-B (Resin side).

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 surfaces

must be free of dust, dirt, oil, grease, rust, corrosion and

other contaminants. When coating substrates previously

TECHNICAL DATA

Mix Ratio, by volume ......................................... 1A:1B

Pot Life @ 150°F ................................................ 2-4 seconds

Tack Free Time (150 mils Thick) .............................. 10-30 seconds

Recoat Time ........................................................ 0-12 hours

Viscosity at 150-160°F (65.5-71°C), Brookfield:

Side-A ................................................................ 120 ± 20 cps

Side-B ................................................................. 190 ± 20 cps

Density (Side-A & B Combined) ........................ 9.17 lbs/gal

Specific Gravity (Side-A & B Combined) .......... 1.10

Flash Point .......................................................... >200°F

Hardness, ASTM D-2240* ................................. 55 ± 5 Shore D

Tensile, ASTM D-412* ........................................ 2700 ± 300 psi

Elongation, ASTM D-412* .................................. 200 ± 20%

Tear, ASTM D-624* ............................................ 400 ± 40 pli

Service Temperature ......................................... -20°F to 250°F

(*These physical properties from sample sprayed with Graco Foam

Cat 200 @ 2000 psi minimum, with Gusmer GX7-400 mechanical

purge gun @ 150-160°F. Different machine and parameter will

change these properties. User should perform their own independent

testing as properties are approximate.)

14722 Spring Avenue 􀂐 Santa Fe Springs, CA 90670-5108 USA 􀂐 Tel: 562/802-8834 􀂐 Fax: 562/921-7363 􀂐 www.polycoatusa.com 􀂐 Copyright © September 2008 Polycoat Products

used, it is important to consider the possibility of substrate

absorption, which may affect the adhesion of the coating

system, regardless of the surface preparation. Polycoat

recognizes the potential for unique substrates from one

project to another. The following information is for general

reference, and for project-specific questions, contact Polycoat.

New and Old Concrete:

Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New

concrete must be cured for 28 days prior to product application.

Surface must be clean, dry, sound and offer sufficient

profile for product adhesion. Remove all dust, dirt, oil, form

release agents, curing compounds, salts, efflorescence,

laitance and other foreign matter by shotblasting and/or

suitable chemical means, in accordance with local chemical

regulations. Rinse thoroughly, to achieve a pH between 8.0

and 11.0. Allow to dry completely. If old concrete has a surface

that has deteriorated to an unacceptably rough surface,

Polycoat Products PC-260 or a mixture of Polyprime 21 and

sand should be used as a repair agent for cracks, spalls, bug

holes and voids.

Concrete Surface Preparation Reference:

ASTM D4258 - Standard practice for cleaning concrete

ASTM D4259 - Standard practice for abrading concrete

ASTM D4260 - Standard practice for etching concrete

ASTM F1869 - Standard test method for measuring moisture

vapor emission rate of concrete

ICRI 03732 - Concrete surface preparation

Wood:

All wood should be clean, dry and free of any knots, splinters,

oil, grease or other contaminants. Splintered or rough areas

POLYCOAT

PRODUCTS

A Division of American Polymers Corp.

14722 Spring Avenue 􀂐 Santa Fe Springs, CA 90670-5108 USA 􀂐 Tel: 562/802-8834 􀂐 Fax: 562/921-7363 􀂐 www.polycoatusa.com 􀂐 Copyright © September 2008 Polycoat Products

Please read all information in the general guidelines, product data sheets, guide specifications and material safety data sheets (MSDS) before applying material. Published technical data and instructions are subject to change without notice. Contact your local Polycoat

Products representative or visit our website for current technical data and instructions.

LIMITED WARRANTY

Polycoat Products warrants its products to be free of manufacturing defects and that they will meet Polycoat Products current published physical properties. Polycoat Products warrants that its products, when properly installed by a state licensed waterproofing contractor according to

Polycoat Products guide specifications and product data sheets over a sound, properly prepared substrate, will not allow water migration for a period of one (1) year. Seller’s and manufacturer’s sole responsibility shall be to replace that portion of the product of this manufacturer

which proves to be defective. There are no other warranties by Polycoat Products of any nature whatsoever expressed or implied, including any warranty of merchantability or fitness for a particular purpose in connection with this product. Polycoat Products shall not be liable for

damages of any sort, including remote or consequential damages resulting from any claimed breach of any warranty whether expressed or implied. Polycoat Products shall not be responsible for use of this product in a manner to infringe on any patent held by others. In addition, no

warranty or guarantee is being issued with respect to appearance, color, fading, chalking, staining, shrinkage, peeling, normal wear and tear or improper application by the applicator. Damage caused by abuse, neglect and lack of proper maintenance, acts of nature and/or physical

movement of the substrate or structural defects are also excluded from the limited warranty. Polycoat Products reserves the right to conduct performance tests on any material claimed to be defective prior to any repairs by owner, general contractor, or applicator.

DISCLAIMER

All guidelines, recommendations, statements, and technical data contained herein are based on information and tests we believe to be reliable and correct, but accuracy and completeness of said tests are not guaranteed and are not to be construed as a warranty, either expressed or

implied. It is the users responsibility to satisfy himself, by his own information and test, to determine suitability of the product for his own intended use, application and job situation and user assumes all risk and liability resulting from his use of the product. We do not suggest or guarantee

that any hazard listed herein are the only ones which may exist. Neither seller nor manufacturer shall be liable to the buyer or any third person for any injury, loss or damage directly or indirectly resulting from use of, or inability to use, the product. Recommendations or statements,

whether in writing or oral, other than those contained herein shall not be binding upon the manufacturer, unless in writing and signed by a corporate officer of the manufacturer. Technical and application information is provided for the purpose of establishing a general profile of the

material and proper application procedures. Test performance results were obtained in a controlled environment and Polycoat Products makes no claim that these tests or any other tests, accurately represent all environments.

should be sanded. Knots should be repaired using Polycoat

Products PC-260 with sand.

Steel (Atmospheric and Immersion Exposure):

Remove all oil, grease, weld spatters and round off any sharp

edges from surface. Minimum surface preparation is Near

White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum

surface profile is 2-3 mils. Prime and shoot Polyeuro®

on to any bare metal the same day as it is cleaned to minimize

any potential flash rusting.

Aluminum:

Aluminum should be blasted with aluminum oxide or sand,

and not with steel or metal grit. Excessive blasting may result

in a warped or deformed surface. After blasting, wash aluminum

with a commercially available aluminum cleaner. Allow

to dry, then prime.

Brass and Copper:

Brass and copper should be blasted with sand, and not with

steel or metal grit. Remove all dust and grease prior to

applying primer.

Galvanized Surfaces:

Clean and degrease any contaminated surfaces. Do not

blast galvanized surfaces with an abrasive grit.

Fiberglass Reinforced Plastic:

The gel coat should be lightly blasted or sanded with 80 grit

sandpaper and cleaned.

Plastic Foams:

Enhanced adhesion is obtained when the foam is mechanically

abraded. When coating polystyrene, do not use a

solvent-based primer.

Textiles, Canvas, Fabrics:

Adhesion to most fabrics, geothermal membranes and textiles

does not require a primer.

Stainless Steel:

Stainless steel may be grit blasted and degreased. Some

stainless steel alloys are so inert that it is not possible to

achieve a satisfactory bond. An adhesion test is recommended

prior to starting the project.

New and Old Cast Iron:

Blast with a steel grit and degrease. Old cast iron is difficult

to prepare for a satisfactory bond. It can absorb oil and water

soluble contaminants that will keep returning to the surface

after the coating system has been applied and affect the

coating system adhesion. An adhesion test is recommended

prior to starting the project.

All Other Surfaces:

An adhesion test is recommended prior to starting the project.

MIXING

Polyeuro® MPL 55 may not be diluted under any circumstances.

Thoroughly mix Polyeuro® MPL 55 Part-B (Resin

side) with air driven power equipment until a homogeneous

mixture and color is obtained.

APPLICATION

Both Part-A and Part-B material should be preconditioned at

80-90°F before application.

Recommended surface temperature must be at least 5°F

above the dew point.

Polyeuro® MPL 55 should be applied using a plural component,

heated, high pressure 1:1 spray mixing equipment like

Graco’s Reactor, Glass Craft or other equivalent machine

may be used.

Both Part-A and Part-B materials should be sprayed at a

minimum of 2000 psi and at temperatures above 150°F.

Adequate pressure and temperature should be maintained

at all times.

Polyeuro® MPL 55 should be sprayed in smooth, multidirectional

passes to improve uniform thickness and appearance.

EQUIPMENT CLEAN UP

Equipment should be cleaned with an environmentally safe,

urethane-grade solvent (alcohol free) as permitted under

local regulations immediately after use.

STORAGE

Polyeuro® MPL 55 has a shelf life of six (6) months from

date of manufacture, in factory-sealed containers.

Part-A and Part-B drums must be stored above 60°F.

Avoid freezing temperatures.

Store drums on wooden pallets to avoid direct contact with the

ground.

If stored for a long period of time, rotate Part-A and Part-B

drums regularly.

LIMITATIONS

Do not open until ready to use.

Both Part-A and Part-B containers must be fitted with a

desiccant device during use.

WARNING

This product contains Isocyanates and Curative Material.

 

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