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            TG No. 144                                                          August 1987


            C-2. MILITARY SPECIFICATION MIL-P-23377, 14 MARCH 1.978, PRIMER COATINGS,
            EPOXY-POLYAMIDE, CHEMICAL AND SOLVENT RESISTANT.

                a. This Is a primer coating formulated primarily for application by
            various spray techniques. The color of the primers are deep yellow for Type I
            and dark green for Type II with both types containing water insoluble
            hexavalent chromium compounds. Type I is the standard primer and Type II is a
            low infrared reflective primer. This is a two component primer consisting of
            Component A (epoxy resin component) and Component B (polyamide resin
            component). Pigment composition of Component A is listed in table C-3.


            Table C-3
            Pigment composition
                                                                     Percent by Weight
                                                                  Type I             Type II
            Material                                             Min   Max           Min  Max

                (a)  Strontium chromate'                         52                 42

                (b)  Titanium Dioxide                            10                  8

                (c)  Siliceous extenders and
                     anti-settling agents                        --   38            --   32

                (d)  Coloring pigmen tS2                                                 18


                Some strontium chromate pigments cause blistering In the water
                 resistance test (MIL-P-23377, para 3.8.1). Commercial grade,       95 percent
                 SrCrO4 is recommended.
               Use pigments conforming to TT-P-343 and TT-P-346 to meet color
                 requirements of MIL-P-23377. paragraph 3.6.1.


                b. The volatile portion of this primer makes it suitable for use under
lution regulations. The volatile portion of the components are limited
            by that presented in table C-4.








                                                     C-4





                                                                                     100
Box ID = BX000000
Unit = VII CORPS       
Parent Organization = ARCENT          
Folder Title = PORT OPERATIONS CARC PAINTING POLICY                                                            
Subject = ARMY REGULATION 11-34 (RESPIRATORY PROTECTION PROGRAM
Document Number =        103
Image file name = 00000146.tif

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