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TECHNICAL DATA SHEET  |  Section 6.10
                                                                                                       PC-550SC
                                                                                     Water Catalyzed, Polyurethane,
                                                                               Polyurea Elastomeric Base Membrane



            Product Description
            PC-550SC is a single component, water catalyzed polyurethane   Technical Data (Based on Draw Down Film)
            polyurea, liquid applied elastomeric waterproofing base
            membrane.                                              Coverage Rate                       1 gal/100 sqft
                                                                                                          0.41 l/sqm
             Features
              •  Can Be Applied At Any Thickness                   Dry Film Thickness per                15 ± 2 mils
              •  Fast Curing                                       Coat                             350 ± 50 microns
              •  Non-Gassing
              •  Seamless Membrane                                 Hardness, ASTM D2240               55 ± 5 Shore A
              •  Water Catalyzed
                                                                   Tear Resistance, Die C,               210 ± 25 pli
                                                                   ASTM D624                         36.8 ± 3.5 kN/m
             Typical Uses
               •  Concrete                                         Tensile Strength,                  1000 ± 100 psi
               •  Helicopter Pads                                  ASTM D412                           6.9 ± 0.7 MPa
               •  Masonry
               •  Metal                                            Ultimate Elongation,                   500 ± 50%
               •  Parking Decks                                    ASTM D412
               •  Pedestrian Membrane
               •  Plywood                                          Specific Gravity                        1.08 ± 0.1
               •  Ship Decks
               •  Under Tile                                       Total Solids by Weight,                  93 ± 2%
                                                                   ASTM D2369
             Packaging
                                                                   Total Solids by Volume,                  91 ± 2%
              5-Gallon                5 gallon (18.9 liter) pail with   ASTM D2697
                                      1 vial of Catalyst
                                                                   Viscosity at 75°F (24°C)          3000 ± 2000 cps

                                                                   Volatile Organic
                                                                   Compounds,                            <0.61 lb/gal
            Color                                                  ASTM D2369-81                       <74 gm/liters
            Grey, Tan or Custom Color
            Not a stock item. Minimum order of 250 gallons (945 liters)
            is required. See color chart for special provisions. Contact
            Polycoat Products for more information.
            Surface Preparation                                  and/or streaking. Concrete, metal and old plywood surfaces
            Refer to General Guidelines for complete information.  should be primed. For best results, use a squeegee or a
                                                                 notched trowel.
            Mixing
            Before application, mix PC-550SC using a mechanical mixer at   An aggregate of 14-30 rubber granules may be broadcast
                                                                 into the PC-550SC membrane at a rate of 10 lbs/100 sqft or
            slow speed. Add PC-550SC Catalyst and mix thoroughly until   (1/2 kg/sqm)or to refusal.  The amount of rubber used will
            a homogenous mixture is attained. Use care not to allow the   vary. When coating starts to gel in approximately 20 to
            entrapment of air into the mixture. Do not mix in an up and   30 minutes, broadcast 14-30 mesh (0.56-1.41 mm) rubber
            down motion.
                                                                 granules until refusal. The quantity amount of rubber granules
            Mix PC-550SC with water (water must be added) at a ratio   will vary (Normal usage is 20 lbs/100 sqft or 1 kg/sqm) When
            of one quart of water to one gallon of PC-550SC. The mixing   the coated surface is stiff enough to support the weight of
            ratio is 4 parts PC-550SC to 1 part of water (4:1).  installer without damaging the coating or when the coating
            Application                                          is dry (approximately 4-6 hours), remove all loose aggregate,
                                                                 preferably by vacuum.
            For best results, use a squeegee or notched trowel. A phenolic
            resin core roller may be used but extra care should be taken   A sand aggregate may also be used. Sand aggregate should be
            not to trap air which may result in bubbles.         applied only in second coat. Broadcast sand until refusal and
                                                                 when the coating is dry, remove extra loose sand, preferably
            Requires a continuous coating application to minimize lines
                                                                 by vacuum.

        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                          Section 6.10
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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