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TECHNICAL DATA SHEET  |  Section 6.3
                                                                                                        PC-220SF
                                                                                           Solvent Free, Elastomeric,
                                                                             Aromatic Polyurethane Base Membrane



            Product Description
            PC-220SF is a single component, high solids, low odor, solvent   Technical Data (Based on Draw Down Film)
            free, environmentally safe, liquid applied, moisture-cured,
            aromatic polyurethane elastomeric waterproofing base
            membrane.                                              Coverage Rate                       1 gal/100 sqft
                                                                                                          0.41 l/sqm
             Features
                                                                   Dry Film Thickness per                16 ± 2 mils
              •  Solvent Free                                      Coat                             406 ± 50 microns
              •  Moisture Cured
              •  Seamless Waterproofing Membrane
                                                                   Hardness, ASTM D2240               50 ± 5 Shore A

             Typical Uses                                          Tear Resistance, Die C,               220 ± 25 pli
                                                                   ASTM D624                         38.5 ± 4.4 kN/m
               •  Concrete
               •  Masonry Surfaces                                 Tensile Strength,                   400 ± 100 psi
               •  Metal                                            ASTM D412                           2.7 ± 0.7 MPa
               •  Plywood
               •  Wood
                                                                   Ultimate Elongation,                   525 ± 75%
                                                                   ASTM D412
             Packaging
                                                                   Specific Gravity                        1.34 ± 0.1
              5-Gallon                5 gallon (18.9 liters) pail
                                                                   Total Solids by Weight,                  99.99%
              55-Gallon               55 gallon drum, net fill 50   ASTM D2369
                                      gallons (189 liters)

                                                                   Total Solids by Volume,                  99.99%
                                                                   ASTM D2697
            Color
            Grey,  Tan, or custom color.                           Viscosity at 75°F (24°C)          6500 ± 2000 cps
            Not a stock item. Minimum order of 250 gallons (945 liters)
            is required. See color chart for special provisions. Contact   Volatile Organic
            Polycoat Products for more information.                Compounds,                            <0.08 lb/gal
            Surface Preparation                                    ASTM D-2369-81                      <10 gm/liters
            Refer to General Guidelines for complete information.
            Mixing
            Before application, mix PC-220SF using a mechanical mixer   adhesion between coats, it is imperative that re-coating be
            at slow speed thoroughly until a homogeneous mixture and   done within 48 hours.
            color is attained. Use care not to allow the entrapment of air
            into the mixture. Do not mix in an up and down motion.  Curing
                                                                 At 75°F (24°C) and 50% relative humidity, allow coating to cure
            Application                                          16 hours before proceeding to subsequent coats. Cure time
            For best results, use a squeegee or notched trowel. A phenolic   will vary depending on temperature and humidity. If more
            resin core roller may be used but extra care should be taken   than 48 hours passes between coats, re-prime the surface
            not to trap air which may result in bubbles.         with Polyprime U before proceeding.
            Requires a continuous coating application to minimize lines   If accelerated curing is required, add one quart of PC-50 in a 5
            and/or streaking.                                    gallon pail of PC-220SF and mix thoroughly. This accelerated
            It is recommended to apply an aggregate of washed, dry,   PC-220SF will cure in 6-8 hours at 75°F (24°C) and 50% relative
            rounded sand, approximately 16 or 20 mesh (0.84-1.19 mm),   humidity.  If PC-50 Accelerator is used then re-coat should be
            6.5+ Moh’s minimum hardness at a rate of 20 lbs/100 sqft (1   done within 12 hours after cure. If re-coat window has passed,
            kg/sqm) or as required to achieve a slip-resistant finish, into   then solvent wipe the surface with VOC compliant solvent and
                                                                                             ®
            the wet second coat, covering it completely. Broadcast sand   re-prime surface with Polyprime  U.
            until refusal and when the coating is dry, remove extra loose   PC-220 SF is very sensitive to heat and moisture. Higher
            sand, preferably by vacuum.                          temperatures and/or high humidity will accelerate the cure
            Most applications require two coats. To achieve proper   time. Use caution in batch sizes and thickness of application.


        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 6.3
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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