Page 116 - April Sound Closeout Manual
P. 116

®
                             Traffi c                           PROMAR LOW VOC ACRYLIC
                                 &            COPOLYMER TRAFFIC MARKING PAINT
                               Zone

                           Products                                                TM5712         LEAD FREE YELLOW
                                                                                                              WHITE
                                                                                   TM5713


             Revised 9/09                       APPLICATION BULLETIN                                           10.12

                         SURFACE PREPARATIONS                                 APPLICATION CONDITIONS
                                                                 Temperature:         Air, surface, material: 40°F (4.5°C) -
           Surface must be clean, dry, and in sound condition. Remove all             90°F (32°C)
           oil, dust, grease, dirt, loose rust, and other foreign material to            (at least 5°F/2.8°C above the dew point)
           ensure adequate adhesion.
                                                                 Relative Humidity:   85% max.
           The presence of concrete sealers or effl orescence of new
           concrete may interfere with adhesion, and should be removed        APPLICATION  EQUIPMENT
           by extended weathering, etching, or abrasive blasting.
                                                                 The following is a guide. Changes in pressures and tip sizes may
           Most previously painted lines may be repainted without   be needed for proper spray characteristics. Always purge spray
           additional surface preparation, provided the old paint is still   equipment before use with listed reducer. Any reduction must be
           tightly adhered to the surface.  However, multiple layers of   compliant with existing VOC regulations and compatible with the
           paint will eventually peel, and will require removal.  existing environmental and application conditions.

           New asphalt surfaces should ideally be allowed to age several   Methods: Airless and Conventional Spray
           months before striping.  Solvent-based paints may cause
           bleeding through the paint.  Placing an inconspicuous test   Conventional Spray: Typical fl uid tip size is about 0.1"
           stripe to determine if the asphalt has aged suffi ciently to use   orifi ce, with a matching fan cap designed for striping
           solvent paint is recommended. If it is necessary to paint a   application.  Working pressures will vary with ambient
           fresh asphalt surface, use a latex striping paint following the   temperatures. The correct pressure is the lowest pot and
           recommended procedures.                               atomizing pressure that produces a fl at line of the correct
                                                                 thickness.  Heated air atomized spray may also be used,
                                                                 allowing improved spray ability but not necessarily dry time.
                          Surface Preparation Standards
                        Condition of   ISO 8501-1  Swedish Std.  Airless Spray: Typical working pressures are 1500 to
                        Surface    BS7079:A1 SIS055900  SSPC NACE
           White Metal             Sa 3    Sa 3      SP 5  1     2000 psi, using a .015" to .019" tip size in walk behind
           Near White Metal        Sa 2.5  Sa 2.5    SP 10 2
           Commercial Blast        Sa 2    Sa 2      SP 6  3     striping machines.  50 to 100 mesh fi lters at the gun are
           Brush-Off Blast         Sa 1    Sa 1      SP 7  4
           Hand Tool Cleaning  Rusted  C St 2  C St 2  SP 2  - -  recommended.
                        Pitted & Rusted D St 2
                                                     SP 2
                                           D St 2
           Power Tool Cleaning  Rusted  C St 3  C St 3  SP 3  - -
                        Pitted & Rusted D St 3
                                                     SP 3
                                           D St 3
                                                                 This traffi c marking paint is not recommended for brush or
                                                                 roller application.
                                                                 If the striping machine is used with waterborne paint, care
                                                                 must be taken to prevent contamination of the paint types.
                                                                 Thinning and cleanup: Thinning should not normally be
                                                                 required.  Additional solvent could raise the intended VOC,
                                                                 and may slow dry time or promote bleeding on asphalt
                                                                 surfaces.
                                                                 Clean up with Xylene, Toluene, or MEK.

                                                                 If specifi c application equipment is not listed above, equivalent
                                                                 equipment may be substituted.











                                                  www.sherwin-williams.com/protective                continued on back
   111   112   113   114   115   116   117   118