Page 17 - tmp
P. 17

TECHNICAL DATA SHEET
                                                                                             THEMECOAT  762
                                                                                                              ®
                                                                                           Two Component Modified
                                                                                         Polyurea Protective Coating



            PRODUCT DESCRIPTION
            Themecoat  762 is a two component, 1:1, 100% solids,   TECHNICAL DATA (Based on Draw Down Films)
                      ®
            pourable, liquid applied, modified polyurea liner system for
            mold making.                                          Mix Ratio                                  1A : 1B
            FEATURES                                              Pot Life @ 75ºF (24ºC)               15-20 Minutes
              •  Seamless                                         Cure Time @ Room Temperature            > 24 hours
              •  Tough and Elastomeric
              •  Chemical Resistant                               Demold Time @ 1/2” (1.27 cm)           18-24 hours
              •  Low Temperature Flexibility                      Viscosity at 150-160ºF
              •  Abrasion and Impact Resistant                    (66.6-71ºC), Brookfield:             1200 ± 500 cps
                                                                  Side-A
              •  Unlimited Build                                  Side-B                                500 ± 200 cps
            TYPICAL USES                                          Specific Gravity
              •  Mold Liners and Form Processes                   Side-A                                        1.10
                                                                  Side-B                                        1.02
            PACKAGING
                                                                                                          8.84 lbs/gal
            10-gallon kit: 5 gallon (47 lbs or 21 kgs net) pail of Side-A, 5   Density (Side A & B Combined)  (1060 kg/m³)
            gallon pail (43 lbs or 19.6 kgs net) of Side-B
                                                                  Flash Point                        >200ºF (>93.3ºC)
            100-gallon kit: One 50 gallon (477 lbs or 216 kgs net) drum of
            Side-A, one 50 gallon drum (neutral: 426 lbs or 193 kgs net;   Hardness, ASTM D-2240*      75 ± 5 Shore A
            black: 420 lbs or 191 kgs net)of Side-B               Tensile, ASTM 412-C*                 2200 ± 500 psi
            COLORS                                                                                    (15 ± 3.45 MPa)
            Clear/Neutral. Custom colors are available upon request.  Elongation, ASTM 412-C*            550% ± 50%
            Due to its aromatic composition, Themecoat  762 will tend  to   Tear, ASTM 624-C*             250 ± 25 pli
                                                 ®
            yellow or darken in color and will become flat after exposure                            (48.2 ± 4.4 kN/m)
            to UV light. Themecoat  762 may be topcoated within twelve
                               ®
            hours of application with an aliphatic polyurethane/polyurea   Split                            45 ± 5 pli
            coating for a colorfast finish                                                           (7.78 ± 0.88kN/m)
            MIXING                                                Resilience                                 40 ± 5%
            Themecoat  762 may not be diluted under any circumstances.   VOC Content                        0 lbs/gal
                     ®
                                   ®
            Thoroughly mix Themecoat  762 Side-B with air driven power
            equipment until a homogeneous mixture and color is obtained.
            Mix 1:1 by volume.
                                                                 TEXTILES, CANVAS, FABRICS:
            COVERAGE                                             Adhesion to most fabrics, geothermal membranes and tex-
            Themecoat  762 may be applied at any rate to achieve desired   tiles does not require a primer.
                     ®
            thickness. Theoretical coverage for 1 mil thickness  is one
            gallon per 1600 sqft (3.78 liters per 149 sqm).      ALL OTHER SURFACES:
                                                                 An adhesion test is recommended prior to starting the project.
            SURFACE PREPARATION
            In general, coating performance and adhesion are directly   APPLICATION
                                                                 Both Side-A and Side-B materials should be preconditioned
            proportional to surface preparation. Most failures in the   to 75-80°F (24-32°C) before application.
            performance of surface coatings can be attributed to poor
            surface preparation. Polyurea coatings rely on the structural   Recommended surface temperature must be at least 5°F (3°C)
            strength of the substrate to which they are applied. All sur-   above the dew point.
            faces must be free of dust, dirt, oil, grease, rust, corrosion   Themecoat  762 should be poured in smooth, multidirec-
                                                                           ®
            and other contaminants. When coating substrates previously   tional passes to improve uniform thickness and appearance.
            used, it is important to consider the possibility of substrate
            absorption, which may affect the adhesion of the coating  STORAGE
            system, regardless of the surface preparation. Polycoat   Themecoat  762 has a shelf life of six (6) months from date of
                                                                           ®
            recognizes the potential for unique substrates from one project   manufacture in original, factory sealed containers.
            to another. The following information is for general reference,   Side-A and Side-B drums are recommended to be stored
            and for project-specific questions, contact Polycoat.
                                                                 above 60°F (15°C).
            PLASTIC FOAMS:                                       Avoid freezing temperatures.
            Enhanced adhesion is obtained when the foam is mechani-
            cally abraded. When coating polystyrene, do not use a solvent-  Store drums on wooden pallets to avoid direct contact with
            based primer.                                        the ground.



        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363
        info@polycoatusa.com  |  www.polycoatusa.com
   12   13   14   15   16   17   18   19   20   21   22