1、FORD LWNUFACTRING STANDARDS ;J-M-jB322A-B CLEANER - ACIDIC - FOR AL.TJN1Mx.I 1-X-5B2228-3 OCTOBER, 1988 ?ge i I. SCOPE: The material defined by this Standard is a nonfoaming, liquid cleaner - 2. APPLICATION: B suffix in immersion applications for the cleaning of brazed aluminum radiators and plate-f
2、in evaporators requiring the removal of oxides and/or magnesium deposits prior to the application of a chromate conversion coating. It may be employed for the treatment of other products of the same. general description and/or material. The U-H-5B322-A material is used in spray washer and Che 3.1 CH
3、EMICAL CHPOSITION: This material is a combinatlm of nizrlc acid. appropriate activators and ionic detergents used CO ciean onc activate aluminum surfaces prior KO che application of a chromace conversion coating. Suffix A Suffix 3 3.2 PH (1% SLTION) : 1. 60-1.80 1.60-1.80 (ASM E 70) . 3.3 SOLIJBILIT
4、I: 3.4 SURFACE TENSION: (ASTM D 1331) 3.5 FOAMING : Prompt foam height: 100% soluble in 100% soluble Ln water in all water in all proportions proportions 70 ynes/cm max 70 dynes/cm max 1/8 in. (3:2 ann) I/& in. (6.L mm) After 10 min. standing: -0- -0- (RTM BT101-i. Room Temperature. 5% by volume) 3.
5、6 SPECIFIC cRAvm (60 F (15 CI ) : L. 2io +/- . o00 1.2a0 +/ .34 (Asn D 891) 3.7 PERFORMANCE: This material. when used according CO W-PL 55-0L. U-PL 55-05 and U-PL 55-06, amst remove oxides, magnesium dep0sic.s due to aluminum brazing processes and other acid-soluble contaminants from aluminum surfaces to promote accivation of the surface and subsequent chromate conversion coating. G. STANDARD PARAGRAPHS: The following standard paragraphs as defined in Manufacturing Standard KBX are herewith made a part of this standard: CL, C2 (initial approval only), P1, P2, P3. R1. R2.
