Document e7D4Zw66LZnBMYema9DMQjvgm

S' # gpcar cr c. J. moot nut : Technical Director, Pigments and Chawlcala Pivialca Our effort* this jrtr have baan concentrated *k*inly on proaotlooal work. Vila proawtional work m carried cat through field contacts and tha distribution of technical literature.. A Halted mount of research waa plaared and initiated to add to tfcr store of fcnowlod-e on rod load and to keep abreast of developsaat* In vehicle*.t ' ^ The seventh in the atria# of Red toad Technical lattara m published during the oonth of August. 7hi* belletin contains several suggested oowplat# red lead prtaor system apedfloally designed for application to done and adjacent tqulpomt, ships navigating in fresh water, water atoragt tank interior* and indue trial equipacat exposed to ohea&eal ataoepbarea. Approximately tan thousand coplea of this Technical Letter war* dlstrlbated to individual* inter**ted la the aamfoccur*, epeeification and naa of watal protective paints. Another bulletin, the eighth in the aeries, on red lead palnta for railroada has boon approved by the p*d lead technical Cconittee and will he printed within the next two or three week*. V* have continued the practice of circulating ncnthly liata to rod lead aanufacturers of indirlduals requestin' literature. This practice waa continued durljy 1952. These liata are arranged according to atat* and city and include mpany affiliation and petition of each individual requesting literature aa well as the typo cf literature desired. Theas listings, ccotalning aeeoral hundred rutses, h*v* given aa indication of the interest aroused by car prowotional literature and have fundabed valuable leads for fallow up by the section's technical director and the technical tales staff* of our mmbor ctsspanda*. requests for several hundred additional pieces of red laid literature were received fraa oar wester crsspanle*. Field visit* were continued throughout this year to federal agencies, state highway departawnts, utility e-appaniss and paint ooapanlee. Hany Inquiries reoeivsd on red lead paint* were fallowed up by personal contacts. Convention* of the American Society foretasting tutorials, federation of paint and Varnlah Product!-xj Club* and the National Association of Corrosion engineers ear* attended both to loop abreast of newly reported technical developments and to keep up contact* with per*one interested in.protective coating*. Curin'; the year the division'* technical director served a* secretary to the Oovemnent Advisory C-wwdtt** on throw*te Pigaenta aponaored by the Corps of Enjlnrers, 0. 8. Any. It la the purpose of this ooowlttee to evaluate autal jroteotiv* paints based on lead chremate and other chxooate pixaenta aa well aa standard and specifiosUon palnta baaed 00 red lead. At our sug^estiM several red lead specification forwula* and 1..T.A* red leed forwulas were Included la teat* sponsored by this ooMslttea. The iw>UA*e of the Steel Structure* Painting Council vwre alas attended. The objectives of this Council ami l To review the art of elaanlng and painting steel structurea through nterntur* surveys, eonfmooM ul otter w m, to determine sad . outline the best aethods developed to data* ~ t* to issua codas <c specification* covering practical and economical methods of surfaca preparation and painting, steal .structures, teood on tte present knowledge of tte semoerehip of tteCouncil. 3. To loom fraa time to time isoosMadatlons intendod to Author '-7'Z Improve, and to mak* nor# effoctlT* and mors economical tte protec tion of (tool atructureaj teeb rsooansndatlon to bo mads aTolloh) o to specification and eodo writing oomittees* tte load IndustriesAssociation bscams % supporting neater of tte Connell at tte bcsiminj of 1$$?. Mr* 2leg.'cld was appointed to the executive Cosmittoe and tte technical director to tte Neseareh Cccndttee of tte Council* 1 painting carnal and asveral paint specifications are nor In process by tte Council. Moat of tte systems reeouaended by tte Council for Ion-: tom protection an baaed on red lead primers. XJe feel that our active participation in tte Connell *111 aid us in promoting elder sad nora intelligent use at rad lead paints* ... v^,.- tte Sad load Technical Conlttoe initiated tao research projects during tte past pear* tte first is a ccmpr*henaive tost of rad load base systems for nor and misted galvanised iron and for aluminum coated steel* tte second project m set op to dote mine tte relative merit* of vinyl artel surface conditioners and anticorrosive paints containing rad load, sine chromate and various otter pl5S*.-nt natc.rtala. '' C'-*" /- plrnontation of vinyl e*>*tings is still a controversial subject oven though It is known that lead cosrounda are especially vail suited for O'sebination with viryl copiiywrs because of their inherent teat and stabllltln* affects. Periodic Inspections of un cooperative paint projects sera sad# during trie pear in tte oonpany `.f personnel of the Bureau of Ships, Norfolk Naval Shipyard and tte ftailadelphia Naval Shipyard* A r*d lead bass primer developed by tte Ned bead technical Cceadtteo waa found to ba outstanding in tte aarina atnoapterie and tide range project sponsored by tho IMladalphia Naval Shipyard. IMa priaar has nos been Included is a second projeet for more thorough evaluation* --. tte project Initiated by tte Serfoik Novel Shipyard to evaluate priaar painta under cold plaatle anti fouling paints ftr ship batten wee eoapletad during the yoar* Inspections at five aitaa have shown two rad laad systems to be jar*rally superior to tte otter bineteen systons on teat, these are the rod leart-vinyl system and a red laad-eeunaroas typo paint, both publicised In our Technical letters. A service teat it near being carried out an one red leed bottoa paint ryetaa that proved outstanding in tte *`avy-L.7.A. ooeparetive tetts* Three hundred gallons of this anticorrosive priner have been applied to undereatar hull sections of deatrayers* .a - .5 ' ! .`-5a } '> r epo r t cy c. j . Tjutneit nu (carrot Technical Director. Plg*Bta and Cheadcsla Division 1b* etivtr antlecrrosiv* paint proved best la the tost has tine* tbs Inception of tb* te*t b*en written into a ailltary specification designated KO-P-1S92?. . i 1 ^ ej > v* . ''S'*" - /* ' ,* A onsidarabla aaoaat of oar work with th* H*vy Separtsont during th* put several moths has been concerned with tb* nccurageaent of tb* o m of *1*7 Red load Porsnla So* 116 as an after-picklinj or shop prlaer for on abip plat** Dp to nor tbla foraila has b**n Haltad to a** as a aeta tansnc* paint for all parts of ships above th* water line* 1b* os* of this paint oo plates for new ship* will remit in a significant lncreas* la ton* nag* of rod l**d for paint as** - Although tb* Bureau of Ships is convinced that this red lead prlaer is superior to tb* currently used sino chromite prtaer for new construction tb* question of tb* possible toxic effects of tb* fuses generated daring tb* welding of tb* painted plate* is holding up its adoption. 3*vy contract shipyards hav* askod tbs Bureau of Ship* for assurance that th* present ventilation factors s*t up for welding operations are sufficiently high to avoid dangerous concentrations of lead. Although no difficulty was axperi-- need during extensive operations of this typ* in th* Karitis* Caxtisaioo during tb* Second World Wr, tb* Ksvy wants quantatative data on the concen tration* of lead generated vh*n aa are la struck on ship plats ooated with forauls fc. 116* , After discussions with the paint* welding and hull construction sections of tb* Bureau of Ship* a project was initiated to detertdne safe ventilating factors for the welding of lead paint coated ship plate. It has been proposed that this work b* carried cut within th* next few Booths et tbo Harvard Urdvarsity School of Public Health and th* Boston H*vy lard under tho supervision of professor iMllip Drinker, Consultant to tb* Kavy and Warltixm Cooed*si on on industrial hypiens problso*. 7f carried out w* feel that this will clear away th* last aajor obstacle to tb* use of r*d l**d paints for tb* initial coating on new ships* XxMUt Y;;3;> IMs Division exhibited at tb* snmisl Paint industries Show la Chicago during tb* week of Xovewbar 17* Ibe booth featured illustrations oo tb* practical application of red lead paints and test panels containing specification prlaer* and sleeted systees developed hy tb* Red Lead Technical Comitt**. % r. ' 'n*!-> - cr-r> - . '> j:A .. : -- ^ ** a?v ' -i .. - i ~,rfT*i4?Vf--r<Ti * if ~ i i v i-t-F' ------- - . itawarnffir . *dT.agt'iW.r>t v3: rr.;r ^ s .. j, Hed Uad Division Meeting Xlnutss fcfclWLt ! Bay 18, 1/S1 cagBsaaeiyg l *ij u mpgrggtgi mxmx Inepootlens and data tabulations war* continued on mb* 1500 tart spedaens originally eaepoeod In September, 19W t five widely scattered geografhio location#. This prograa we, established to ehow - the cooperative performance of ninety-five toet paint* and twenty'-flve specification and control paint# teadaM iitt rad load, tino - chrcoste and several other plgaeat# advocated for aatal protective paint*, . . .. *v"-'". This project haa already rrraalad valuable Information for Qua guidance of the Sad lead Technical Ccenittee In planning proootlonal prograaa. Considerable valuable Information about competitive. product# n*a been obtained* .>ri -*-v . _ 1RTTOJS FOB USD MlttaaE* not financed by tfale division, Xnad Indnetrlee Iseodatloe publication "lead* tea been supplied with a aerlea of antides on outetaaUng practical applications of red load. This paabllo-- tioa la circulated to over 50,000 axchitocts, public officials, water aortal engineers, building contractors and others v* epedfy and buy metal protoctlTa paints* . p. s. siYT sPBcincinga ; * Ona of the wain objective# of this Division throughout Its exlatenoe has been the recapture of. this natal protective paint msrtot Wiich was loot to tine chromate at the onset of World Par II* Inaoilately after Pearl Harbor the JUvy officially adopted the xinc chromate type prlaer on all naval craft construction, ascludln^ red lead, -y la the Annual Beport for l$l& we reported that the levy bed adopted Bureau of Ship* formal* Bo* 316 for maintenance of exterior weather aurfaooe of ships* This prlaer la a rod lead base multiple plpsent priner containing 3*7 lb. of rod lead per gallon* The naval paint :'.S faotorlee went into Irradiate large ecalo production of this priner and nan? thousands of gallons have been produced during the peat year* bide scale application of thla nalntocanco prlaer was clearly evident in savers1 naval shipyards visited daring the past year* In s few idnutee os hope to show you a new official Kavy Trd.nlng fils la which .this new red lead prlaer Is Included as p*"t of the standard topside aalntsnano* cyrtem* Reoent reports tram the Bureau of Alps have Indicated that /crania Bo* 116 will soon be changed into a full KUltszy Specifloot!# W| L hl^ily Gratifying developaent during the past year has been the adoption by the Bureau of Ships of a red 1* ad-vinyl anticorrosive paint* Thla was officially adopted ty the Bevy on Bry 1, 1/50 tinder the title *Burenu of snipe Fomuls 11/, Prlaer, tiiyl-Ped lead Typo*, This wee later written Into a Military Speciflcatlcn designated as KH--P-1592? (Ship,). This formula Is peHlculvly nil adapted for us* with a wstel-oondltlonlng wash prlaer and a vljyl antlfoullnc ooatlng Bed load ntvltim 'L<L Besting ttnetes > ,J' .'sv^v,r fit** 'a* '' ,M:- 7 > </ TV* Exhibit A* H*gr XS| 19SL tor the protection of bipbottcue, Although aa alternate Hat ehrasrte base vinyl femu* ves adopted eiaultinscpuely, there i aa excellent poesihllity that a considerable gallonage of the red lead* vinyl type *111 eventually be need la aany ntrral shipyards. The Bed teed Technical Cenolttee baa planned a naw research prneraa with the ala of preving the superiority of red laad over other types at pAysentetleaa la vinyl eyrtaa> coomirm h s s k bc b wooitaeb it h t bs wnr --7 Periodic laapeetlooe of two cooperative pelnt project* aera ' aade dtudac the yew la thereoapaoy ef personnel of the Boreas of Ships, Korfelk Havel Shipyard aid the Philadelphia Bevel Shipyard, The project sponsored ly the Philadelphia Bevy yard centadfli : alne lead Induetrle* Association red laad prlaare with pencil expoeed la aarlne ataoopherie and tide level exposures at Sayvill*, long Xalead and l&aatl, Florida, liter eighteen Booths exposure several red lead cyetoaa have been rated super!* to the cooperative doc chrcnate sytaee, "' The project Initiated tjr the Berfolk Baval Shipyard to evaluate prlner palate under oold plastle antifoullng point* lor ship bottoa baa nee been under*ep for tawnty-foar aeotba. Recant lnspoction* at fire sites have shown tvo red lead eyetoss to be generally superior ^ to the other alneteea^ysteea oa teat. These are the red lead-vinyl ^ ayeten end a red lead-eoBBarooe type paint, both publicised la one ot : - ~r our Technleel letters and referred to in previous sections of this report* A neuter of the staff at the Borfollc Baval Shipyard reoently / reported the results of this project to the paint tdvlaloa of the Anerlcaa Cbeadeol Society at their Rational Besting In Boston, This paper vas highly favorable', to red lead paints and will be published during 1951 In the i, C, S, official publication 'Industrial and Engineering QBRirtry', A --ber cf the Bureau of Ships staff recently lafonaed us that be is planning full scale sarvloa teats on cm red lead bottoa paint eystea that proved outstanding is ths bettea paint teats, A destroys? or vassal at 0separable else Is usually uaad la s sendee test of this