1、MIL-P-15328C 25 Agril 1969 (See 6.6) MILITARY SPECIFICATION PRIMLR (WASH), PRETREATMENT (FOPJ4ULA NO. 117 FOR METALS) (51ETKI C) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE surfaces o Normal (For Use in Organic Coatings). TT-1-735 - I
2、sopropyl Alcohol. PPP-B-566 - Boxes, Foldiny, Paperboard. PPP-B-636 - Boxes, Shipping, Fiberboard. PPP-C-96 - Cans, !4etal, 28 Gage and Lighter. PPP-P-704 - Pails, Metal: Shipping, Steel, Through 12 Gallon). PPP-P-1892 - Paint, Varnish, Lacquer, and Related Materials; Packaging, Packing, and Marking
3、 of. MILITARY MIL-P-15173 - Pigment, Magnesium Silicate: Dry (Paint Pigment). MIL-B-26701 - Bottles, Screw Cap and Carboys, Polyethylene Plastic. STAJUARDS FEDERAL FED-STD-141 - Paint, Varnish, Lacquer, and Related Materials: Methods of FED-STD- - Material Safety Data Sheets, Preparation and the Sub
4、mission of. Inspection, Sampling, and Testing. L Beneficial comnents (recomJendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Washington, DC 20362 by using the self-ad2ressed Standardizaticn Document Commander, Naval Ship E
5、ngineering Center, SEC 6124, Department of the :;avy, Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 8010 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-P-15328D MILITARY MIL-STD-105 - Sanpllng Proced
6、ures and Tables for Inspection By Attributes. MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-147 - Palletized Unit Loads for 40“ x 48“ Pallets. (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific procurement functions should b
7、e obtained from the procuring activity or as directed by the contracting officer.) the extent-i- Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. 2.2 Other ubllcatlons. The following documents form a part of this specification to AME
8、RICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D 209 - Lampblack, Spec. for. ASTM D 562 - Consistency of Paints Using the Stormer Viscosimeter, Test for. ASTM D 1210 - Fineness of Dispersion of Pigment - Vehicle Systems, Test for. ASTM D 1296 - Odor of Volatile Solvents and Diluents, Test for.
9、ASTM D 1475 - Density of Paint, Varnish, Lacquer, and Related Products, Test ASTM D 2369 - Volatile Content of Paints, Test for. for. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103.) DEPARTMENT OF TRAN
10、SPORTATION 49 CFR 170-189 - Department of Transportation Rules and Regulations for the Transportation of Explosives and Other Dangerous Articles. Superintendent of Documents, Government Printing Office, Washington, DC 20402.) (The regulations are a part of the Code of Federal Regulation decant clear
11、 supernatant liquid. Then refi.11 with 95 percent alcohol, stir to uniformity, cap, and centrifuge (as above) for 1 hour. Repeat last step one more time, then dry to uniform weight (3 hours at 105*C), and calculate percent pigment. 4.5.1.1 Pigment content. Use an IEC centrifuge (or equivalent) desig
12、ned for maximum 4.5.2 Pigment analysis. 4.5.2.1 Preliminary separation. Weigh out a 2.000-g sample of the pigment and transfer to a 250-mL beaker. Moisten the pigment with acetone and add 25 mL of 1:4 sulfuric acid. Let stand on steam bath for 1 hour with occasional stirring. Filter, wash with 1:4 s
13、ulfuric acid free of chronium, and transfer filtrate to a 250-mL volumetric flask. Dilute filtrate to exactly 250 mL and reserve for zinc and chromium deteminationS. 4.5.2.2 Zinc oxide. Remove a 50.0-mL portion from the volumetric flask and transfer to a 400-mL beaker.=ute to 150 mL with distilled w
14、ater and add 25 mL of a 25 percent and add 25 mL of formic acid mixture. (To 400-mL formic acid, add 60-mL ammonium hydroxide. solution of tartaric acid. Make just neutral to litmus paper with ammonium hydroxide Dissolve 500 g of ammonium sulfate in approximately 1 liter (LI of distilled water. Mix
15、the two solutions and add sufficient water to make 2 L.) Care should be taken to adjust the acidity to the proper pH for the quantitative precipitation of the zinc as sulfide. Pass a rapid stream of hydrogen sulfide through the solution for 30 minutes. Filter off the precipitated zinc sulfide and wa
16、sh with distilled water saturated with hydrogen sulfide. Put the precipitate and paper into a tared porcelain crucible, dry the paper, and then char at low heat until the paper is consumed. Increase the heat to l,OOOC and ignite for 10 minutes. Let cool in desiccator and weigh as zinc oxide. 6 Provi
17、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-P-15328D 80 977970b OL008112 5 D “_ . - udD-P-1532BD 4.5.2.3 Chromium trioxlde. Remve a 50.0-mL portion from the volumetric flask. Trans- sulfuric acid and 3 mL of concentrated nrtric acid. Bring to a bo
18、il; then add 1 mL of fer to a 600-nit beaker. Dilute tc 303 PL with distilled water; add 15 mL of concentrated 2.5 percent silver nitrate solutlon and 1 mL of 0.1N potassium permanganate. Slowly add should persist after 10 minutes of bclllng, adding more ammonium persulfate if necessary and 10 mL of
19、 20 percent amniurr: persulfate, freshly prepared. The pink color of permanganate boiling 10 minutes after last addltron of ammonium persulfate. Five mL of 1:3 hydrochloric acid should then be added and the solutron boiled for 10 minutes after the permanganate color is destroyed, Cool to 20C and add
20、 standardized ferrous ammonium sulfate solution (approxi- mately 0.1N potassium permanganate solution (which has been standardized against sodium mately 0.1N) until approximately 5 mL ln excess has been added. Now titrate with approxi- oxalate), until an excess of approximately 5 mL has been added.
21、Adjust to the correct end point by careful addition of the standardized ferrous ammonium sulfate solution. Multiply the volume of permanganate solution used by the ferrous ammonium sulfate equivalent of 1 mL of standardized permanganate solution, subtract the product from the amount of ferrous sulfa
22、te used, and calculate the amount of chromium as Cr03. To determine the ferrous ammonium sulfate equivalent, take as much of the ferrous ammonium sulfate as was used in the test, dilute in a solution having the same volume and acidity, titrate as above with the permanganate solution, and calculate f
23、rom the date obtained. 4.5.3 Distillation. Place a 165-9 sample of resin component in a 500-mL round-bottom flask, attach a water condenser, and immerse the flask in an oil bath. Heat the oil bath and distill over all the thinner. The temperature of the bath shall not exceed 200C at any time. Place
24、100.0 g of thinner distilled from the resin component (to determine the distil- lation characteristics of the acid component use 150 mL of the acid component) in a 250-mL flask which has a ground-glass neck to fit a 6-ball Snyder column or equal. The column shall be jacketed with an air condenser an
25、d provided with a fractionating head and a stopcock for controlling the amount of distillate being removed. The rate of removal of distillate shall be 1 mL per minute. The flask shall be heated by means of an oil bath to provide a rapid reflux. The temperature of the bath should be approximately 175
26、OC to 200C. When fraction- ating the thinner distilled from the resin component, change receivers when the distillation temperature reaches 117C to obtain the portion of the distillate to be used in the test for butanol (see 4.5.5). shall be detseb- 4.5.4 Water in resin com nent. The presence of exc
27、ess water in the resin component ollowlng laboratory test on the thinner removed from the resin component by distillation. Upon completing the distillation, mix well and remove 10.0-mL portion to a 100-mL glass-stoppered graduated cylinder. Add 90 mL of chemically pure (C.P.) benzene and shake well.
28、 Formation of a cloudy solution indicates the presence of excess water. Thinner removed from properly prepared resin component should give a clear solution when tested as specified. 4.5.5 Butanol. The presence of butanol shall be determined on the fraction Of the have a refractive index of 1.395 to
29、1.398 at 25OC. When 5 mL of this material is placed in distillate from the resin component which distills at 117OC to 119OC. This material shall a 100-mL glass-stoppered graduated cylinder with 60 mL of distilled water and shaken, a Clear, homogeneous solution shall be formed. 4.5.6 Phosphoric M. 4.
30、5.6.1 Reagents. of c.p.,sodium hydroxide in a L of C02-free, distilled water. Standardize against National 4.5.6.1.1 Standard sodium hydroxide, approximately 2.ON. Dissolve approximately 80 g - Bureau of Standards potassium acid phthalate in accordance with the instructions provided in the National
31、Bureau of Standards Certificate of Analysis. 4.5.6.1.2 Phenolphthalein indicator. Dissolve 1 g of phenolphthalein powder in 50 mL of pure 95 percent ethyl alcohol and dilute the resulting solution with 50 mL of distilled water. previously tared Erlenmeyer flask and weigh accurately. Add 50 mL of dis
32、tilled water to the 4.5.6.2 Procedure. Transfer approximately 15 g of acid component to a clean, covered, Erlenmeyer flask. Add 5 drops of phenolphthalein and 10 drops of methyl purp1e.L Swirl LMethyl purple indicator is obtainable from laboratory supply companies. 7 Provided by IHSNot for ResaleNo
33、reproduction or networking permitted without license from IHS-,-,-DOD-P-15328D the purple solution carefully. Tltrate this solution with the standardized sodium hydroxide precedes the green and serves as a warning of the approaching end point. Note the burette to the appearance of a green color (met
34、hyl purple end point). An intermediate gray color reading. Titrate the green solution with standardized sodium hydroxide to the appearance of H3P04 as follows: a purple color (phenolphthalein end point). Note the burette reading. Calculate the percent Percent H3P04 (by weight) = 4.9N (A + B) G Where
35、 : G = weight of sample of acid component N = normlity of sodium hydroxide. A = mL sodium hydroxide to methyl purple end point. B = mL sodium hydroxide from methyl purple end point to phenolphthalein end point. B + 0.5, the presence of acidic coiponents other than phosphoric acid is indicated. In su
36、ch cases, the acid component shall be analyzed for phosphoric acid by any suitable standard gravimetric procedure. taken. A = B 2 0.5 (a). If A does not equal 4.5.7 Dkyinq time. Drying time shall be determined by method 4061 of FED-STD-141, except that t e primershall be drawrr down on a steel panel
37、 using a firm applicator that will deposit a dry film thickness of 0.00076 centimeters (cm) to 0.00127 cm. The specified conditions of temperature and humidity shall apply only for referee tests in case of dispute. All other tests shall be conducted under prevailing laboratory conditions. method 420
38、3 of FED-STD-lfl. Fifty mL of mixed primer and 50 mL of isopropyl alcohol con- rapidly stirred coating. Observations shall be made immediately after mixing and also 30 forming to TT-1-735 shall be used. The isopropyl alcohol shall be added slowly to the minutes after mixing. 4.5.8 Compatibilit . Com
39、patibility with thinner shall be determined in accordance with 4.5.9 Mixinq and application properties. Add slowly one part by volume of acid component, with rapid stirring, to four parts by volume of resin component. Store in a closed glass container for 6 hours. Then spray a portion of the mixed m
40、aterial on a solvent cleaned steel panel to a dry film thickness of 0.00076 cm to 0.00127 cm and examine for leveling and ebenness of application. Retain the remainder of the mixed material in the closed glass container for 18 additional hours and examine for absence of nonuniformity by appropriate
41、sections of method 3011 of FED-STD-141. 4.5.10 Color. Determine color by examination of the panel prepared in 4.5.11 for the knife test anderve for compliance with 3.4.2 (see 6.5). 4.5.11 Knife test. Mix the coating as specified in 4.5.9, except omit the standing period. Using a 0.0076-cm (0.0152-cm
42、 gap clearance) film applicator, draw down a 5.08-cm wide film of the mixed coating on aluminum, steel, and galvanized steel panels, solvent cleaned as specified in method 2011 of FED-STD-141, using the petroleum naphtha-ethylene glycol monoethyl ether mixture. Air dry for 1 hour under referee condi
43、tions, then perform a knife test as specified in method 6304 of FED-STD-141, and observe for compliance with 3.4.5. mately 15 mL ofmmixed primer across a glass panel near the upper edge while the panel is lying flat. Then tilt the panel so as to allow the coating to spread over all but the upper edg
44、e. Next place the panel in an almost vertical position and allow to drain. After 24 hours, examine the film for compliance with 3.4.9. Coarse particles, skins, and agglom- erates are characterized by being larger than the dispersed pigment in particle size and extending beyond the plane of the film.
45、 4.5.12 Surface appearance. Prepare a flow-out film of the primer by pouring approxi- 4.5.13 Toxicity. A manufacturer of material shall disclose the formulation of his product to the Navy Bureau of Medicine and Surgery, Navy Department, Washington, DC 20372. The disclosure of proprietary information
46、, which shall be held in confidence by the Bureau 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DOD-P-15328D weight and volume of each ingredient ln the product; the results of any toxicological testing of Medicine and Surgery, shall lnclude: the
47、 name, formula, and approximate percentage by of the product; identification of its pyrolysis products; and any such other information as may be needed to permit an accurate appraisal of any toxicity problem associated with the handling, storage, application, use, or disposal of the material. be ins
48、pectbpxance with secGndis specification. 4.6 Ins ection of preparation for deliver . The packaging, packing, and marking shall 5. PREPARATION POR DELIVERY (The preparation for delivery requirements specified herein apply only for direct Govern- ment procurements.) 5.1 Packaginq. Packaging shall be l
49、evel A or C as specified (see 6.2) . 5.1.1 Level A. 5.1.1.1 One-gallon size. furnished in a nzah semi-rigid, molded polyethylene cube: wall thickness shall be 5.1.1.1.1 Acid com nent. Four-fifths of a quart of the acid component shall be a minimum of 0.0254 cm (0.010 inch). The closure shall be fitted with a heat-sealed spout for dispensing. The acid component shall be further packaged in a snug-fitting, folding box conforming to style 1, type A, class b of PPP-B-566 and shall be closed in accor
