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TECHNICAL DATA SHEET  |  Section 10.5
                                                                                        POLY-CAULK  PX27SL
                                                                                                        ®
                                                              100% Solids, Self-Leveling Polyurethane Joint Sealant





            Product Description
            Poly-Caulk  PX27SL (Self-Leveling) is a two component, 1:1   Technical Data (Based on Draw Down Film)
                     ®
            (A:B) ratio by volume, 100% solids polyurethane sealant.  Mix Ratio by Volume                     1A : 1B
             Features                                             Specific Gravity,
                                                                  Side-A                                    1.03 + 0.1
              •  100% Solids                                      Side-B                                    1.41 + 0.1
              •  Cured Material Remains Flexible, Even in Cold    Viscosity at 75°F (24°C)
                Temperatures                                      Side-A                                 50 ± 20 poise
              •  Flexible                                         Side-B                                 50 ± 20 poise
              •  Odorless                                         Pot Life at 75°F (24°C), 50% R.H.     25 ± 5 minutes

             Typical Uses                                         Tack Free Time at 77°F (25°C),          12-24 hours
                                                                  50% R.H.
             Poly-Caulk  PX27SL is used on interior and exterior horizontal
                     ®
             concrete surfaces, to repair random cracks, control joints,   Cure Time at 75°F (24°C), 50%   36-48 hours
             and other areas where down time is limited.          R.H.
               •  Airports                                        Hardness, ASTM D2240                  30 ± 5 Shore A
               •  Bridge Headers                                                                          300 ± 50 psi
               •  Industrial and Manufacturing Facilities         Tensile Strength, ASTM D412            2.1 ± 0.3 MPa
               •  Parking Garage Decks
               •  Saw/Utility Cuts                                Elongation, ASTM D412                     800 ± 50%
               •  Spalls                                          Tear Strength, ASTM D624                  50 ± 5 pli
               •  Truck Aprons                                                                           8.8 ± 0.8 kNm
                                                                  Total Solids by Weight,                      100%
             Packaging                                            ASTM D-2369

              1.5-gallon kit  One 1 quart (0.98 liter) can of Side-A   Total Solids by Volume,                 100%
                              and One 2 gallon pail, net fill 1.25   ASTM D-2697
                              gallons (4.73 liters) of Side-B     Volatile Organic Component                  0 lb/gal
                                                                                                            0  gm/liter
            Color
            Concrete Grey
            Coverage                                                                Width of Joint
            Coverages and yields shown do not include allowances for
            loss or waste and variations in job conditions. Each user must   1/4”  3/8”  1/2”  5/8”  3/4”  7/8”  1”
            establish their own factors for loss from experience.
            Surface Preparation                                         1/4”  308  205   154   123  102    88   77
            Allow concrete to cure 28 days before installation.
            All joints must be clean and dry prior to installing Poly-Caulk    3/8”  205  136  102  82  68  58  51
                                                              ®
            PX27SL. If joint is damp, dry with heat torch.
            Remove all dust from the concrete pores prior to installing   Depth of Joint  1/2”  154  102  77  61  51  44  38
                     ®
            Poly-Caulk  PX27SL.                                         5/8”  123   82    61   49    41    35   30
            Backer rod should be used in control joints, the recommended
            depth is not greater than 25% of the total depth of the slab.   3/4”  102  68  51  41    34    29   25
            Construction joints are to be filled to full depth using no backer
            rod or silica sand.                                         7/8”  88    58    44   36    29    25   22
            To repair T-joints, the joint should be cut a minimum of 25%
            of the total depth of the slab. The side of the T-joint must be   1”  77  51  38   30    25    22   19
            cut 12” (20.4 cm) from the joint and a minimum of 2”(5.08
            cm) deep.
            For random crack and spall repairs, each side of the crack
            should be cut to create a minimum 2” (5.08 cm) deep vertical
            edge.
            Ensure that all joint edges are at 90° angles to grade with no


        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                          Section 10.5
        wpsales@polycoatusa.com  |  www.polycoatusa.com
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