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GASKET  DRESSING                                                                                                    FORM-IN-PLACE  SILICONES
   SEALED FLANGES                                                                                                                 STAMPED OR SHEET METAL FLANGES
                                                 Primer NTM and 518TMGasket Eliminator®
                           2440TM
                                                 (QuickStixTM 534TM)
                                                                         2440TM
                                                                                                          1.   Remove old gasketing material and other heavy contaminants with
                                                                                                               Loctite® Chisel® Gasket Remover.
                                                                                                          2.   Clean both flanges with Loctite® ODC-Free Cleaner & Degreaser.
                                                                                                          3.   Apply a continuous bead of Loctite® Instant Gasket or Loctite® high
                                                                                                               performance silicones to sealing surface. Circle all bolt holes.
                                                                                                               Note:  · Use proper bead diameter to seal flange width and depth.
                    2440TM                                       TM                                                     · Minimize excessive material "squeeze in".
                                                          Primer N  Only
                                                                                                          4.   Assemble within 10 minutes by pressing together. Tighten as required.
  1.   Remove old gasketing material and other heavy contaminants with
                                                                                                          5.   Clean up any excess or squeeze out.
       Loctite® Chisel® Gasket Remover. Use mechanical removal technique
                                                                                                          6.   Cure times will vary with temperature, humidity, and gap. Typical full
       if required.
                                                                                                               cure time is 24 hours.
       Note:  Avoid grinding.
  2.   Clean both flanges with Loctite® ODC-Free Cleaner & Degreaser.
                                                                                                                                   Loctite® Instant Gasket*          Loctite® 587TM Blue
  3.   Spray Loctite® 7649TM Primer NTM on both flange faces and both sides of
                                                                                                          COLOR                             Black                           Blue
       the precut gasket. Allow 1-2 minutes to dry.
                                                                                                          VISCOSITY, cP                     Paste                           Paste
  4.   Smear Loctite® Gasket Eliminator® Flange Sealant to both sides of
                                                                                                                                             1                               1
                                                                                                          GAP FILL                            /4"                            /4"
       precut gasket with a clean applicator.
                                                                                                          CURE METHOD                    Moisture/Oxime                 Moisture/Oxime
  5.   Place coated gasket on flange surface and assemble parts immediately.
                                                                                                          CURE SPEED
       Note:  · If cover bolts into blind holes (as above), apply Loctite®
                                                                                                              Tack-Free                   30 minutes                      30 minutes
                2440TM Threadlocker into hole and on threads.
                                                                                                              Full Cure                    24 hours                        24 hours
                Tighten normally.
                                                                                                          SERVICE TEMP. RANGE
              · If it is a through bolt assembly, apply Loctite® 2440TM                                        Intermittent               -75°F to 500°F                 -75°F to 500°F
                Threadlocker or Loctite® QuickStixTM 248TM Threadlocker to                                                                 -59°F to 260°C                 -59°F to 260°C
                bolt threads.
  6.   Tighten normally.                                                                                               *Loctite® Instant Gasket provides a low pressure instant seal (100 psi at zero gap).
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