Document 5L4ReZ8d4nEm17yKKEXevj7qD

LIA 07 2 2 2 ......... . ......... Proposed draft for Supplaaent to Red lead Irehdcol letter lo.ll MKmBffB giCTACi Pw?mno or.gimra RB> IM PAHTI3 CCWgRCIAI. BLAST CLZABUQ Bed Lead Technical Letter No. XI, which wi lamed la September, 1956, m derated to recoeamidatloaa for the preparation of otooX curfeoce for the application of rod lood points, tbooo roro--cndetlont were intended to glen optlaua result* froa the point. It la reeopilsed that conditions do not `1'OJ1 pond.t tho optima aothoda of proporotloa to bo need, ooot, location, tlao and otbor foetoro oaaotlaoo ashing a ooaproalao necessary. Therefore, this Supplcaant la laouod to include Ceamerclal Bloat Cloaa- 9 1*| (3SFC-SC 6-52T) tdtleh wee not mentioned la tbo original Technical Lottor. IMo aotbod la quite oinlUr to Bloat Cleaning to Uhlto Xetal (SSPC-SC 5-5230 idilch woe described and la often uaed la the latter*a plooe where something leaa than tho beat cleaning can be tolerated. The following, quoted froa tbo Comaercial Bloat Cleaning apoclfleatloe itaelf, explains the differences *1.2 Coaaerelal Bloat Cleaning should be employed for all general purpoeea where a high, bat not perfect, degree cf bloat cloaning la required. It will reapre pmetl-'T coll? oil raot, alll acola, and other detrlaentol oat- . ' ter froa the eurfaoe. The surface will net neoecearllp be unlfera in aolor, nor will all aorfaoaa bo wdfonlp olaaa alnoa tba original eondltlca of the eurfaoe will affect the final reailt. If the ourfaee prior to eloanlflg la In each bed eondltlca that the oloaning tdwn dona aoeer* psBBPwnm mm Mu* N2807 0 Koeemaondod Surfaoo Preparation of Stool for Bod load Painta ____Cogwrtlal BUt ciaMo 2. "ding to thia apoeinoatlon roaulta in a aarfaoo anaatiofaotorp to tfeo oair or tmanltafela for y*rj aororo aorvleo, than Bloat Cloanlaf to ntilto* Matal aboold bo apoolflad. Tho adrantafo of thla othod of el--n1n< llaa la tho lowar eoat for aatiafactory aurfaco preparation for aoat oortrloo ccadltiana." f *