Document 5Dgxn9zbgjkJGRJy2QEvNxkyR

n iWdahtiiy ifa.sfo.-iWnw-w* ... An Invcitijatton of Primer* for Merino Atmotphtrk Environment** By C J. Va mb o Va l * LiW Mwfwi iftaaciafWW** The superiority et red lead punt* > ruat-mhifalivt primeti far Ml nwtum hu fan nnputd fair many dmfa Uur report* (I > klM fan psildithrd raumrrsiing thr advantages cd red-lend-inesl painu. For graml maintenance sod repawnmg srfare thorough surface preparstiom is ant lesuhtr, them nsli still offer the most dependable protainaL Ho** mr. smee tfa pvoMam at rurrusna peolcctiua snd pair* lucmnUnna art njmwlj cm|ila tad ao smgte eaiot or type ol paint triD girt tfa* fast (mamma under all ronditioaa, red Wad fast oared pigment prioim comiunm| symbrfe rrhirlet have been drvrkged to ninnincnt thr taurmsOp arrrperd red Wnd-m-oil [amU. There tenners were developed to meet a dt* nsnd (or shorter drying tchrdoles and (or fecial trrricT eoaditiaaa la Si icartfa lie improved red Inal lae primer |mmC fee different types of annu%pAicTX and manar eapnwr. tfa Red Lad Tecfaaial Cw matte at the Lad Imhwires Amau has carried out icrcral peajdaa endenting rarioat types of synthetic ethnic* with a eariety at red IS* fan pagnantalenH. Thr pranarr objective ol the particnUf project dim rasrrd here a* the attaasnrm at improved prwner pends (nr aae in ataeioa ttmo^Jieev envirmunetna. A terns at avidmi red lead fair primer (mints , a pcctuScd Typical practical l|ple*nt tar these peimm would fa* cm all parts id ships afanrv the arster Ime. Mu and Mi hoiVtmgs. crura, fasnys. lenlges Wealed *Wmg the osd or over lidr sntrra. and matblneey a marine imetnaiioaa Annther project cat red lead fasr primers far tide range and total aninrmm espnwre aas diseamed la a pastime paper (2). Ol !**> > la pbnMf and air^ cm lh inrruignlnni tf* UMaf |irnNm wrrr prren forix-ukr rr*>drr*i*m: a. ndfrinnaiim of thr trt *vhfrmc intiwmu fnr me vfcfc red lend m %rhck t)j |4i<tfi fohanrri ammjf thrv js^ineni* were m <ndr, rmc mdr and tine jrHot (nar thfcnncr), and nMcncwmt and `rihrr inert pitman*, h Thr Hfrt cm pretiw ; rf~rnnnee l variation* in vrhkir wa>h tomrr. Inrtudrd amnnf the s t WV m yhnafa, nwnwn* indrair modified jAmdia. aMaftyda. c. Thr effect <d ran**new in pngmrnt-eulenit ram t proactive pamt This paper is fased on csfurore rrsnlts obtained on twenty~onr tem pig'mmmums, nine test vchirln, and two tire yrtlcm speribcnlww primers. Sstysevra leaner* wwtndmg rntcii were npmstd. The psgnsrwt and . . -* l LI A0782A i>VniiitfiMiii.nirwW->`iJi'^iiiinrn; .mifiafir* i ' i r nwiirrmai * ojra:ra 3TT IB TT 3 TT EH K T V r1 :t 3 n 3 ? M Utf (f1 Hw| 3v m M A H > M H H h |h H H * 1M HM* i "1 J j1 "l i 1 uuwii u J Tj Jr- J "R1 1J U* k|MI Ji i ha hia BEIIQBBSBECHQSICW3IQD U HUM U*.<VkJ u *- u> * M U w * * lm a m>i till....... t ? t ) r 4\ Mu m 1 hU* 1 (u * lw IVUMI u. u mm. n ,-s l * *1 V 15 at K n fl mm (VI mm) * n1 * mm, gMK JU : >c- i* V I ! tr '} 1 mmtmm i-i iniTr m ii.iiiiinih;fii ^iitiiaii,t' rehSd* compoaitiom Hi tndudcd in TtUti I tod IA. Derailed formahrioeo of thoae pnmera proved a|<nilji oulatandinf an ala* Inrfwdrd ia thie re port. Thry an recorded ia ToMr IV. The ryttrrm compnaed two coait of anti-corroeive primer ariah Matt time Sfeoficalion low viaddity fray (S2-MC-6) aa die (with rant. Dwia<-- af T*a Tin paint! were aU applied by broahmf to 6 by U-M twelve raft low carbarn aarcl panda. Inrac panda were free bom ruel and were tmr> oofMy waebed wttk mineral aptrat prior to paunrmf. Mdl acale war allowed to rernam on the panda and waa amouth and mtad. Eadi coal wee applied to a dry film dudinraa of appruaunaidy 1.5 mala. That i inf calculated weifhta of each of the pamta to the , IA expoaed aurfacea and the bada of the panda were painted A period of latMpfaa hotue waa allowed between wntwit coata and before ea> poaore after the finiah coat. Thai wee coawdcrod ample aaace all of them pnmera weerre laat drpmg type*, reachiaf the tack bee abtfe ia approunaidjr (oar hoara. The panda were eapoard la a vertical notation bdaf acmth at npproai- maty thirty mebet abore the hwb tide level at the Manor Beam at Sajreittn Lonf (aland. The paneia were fattened to wooden beam* tnr H a bohr throufh boh bolea drilled at the two upper camera. Tor par intuit!ed from the bok hreda and ihankt with rdaalic wawhert end alrcvea. The penda were impeded periodically f(or acorroaiaa (edfe and cen tral), bluttriof. and pedmf. The ajatmaa were rated bom at! to ten in each category, the nanlxr 10 fnyali no ofaaerrabie faint and 0 dreaf- natinf failure of the paint or aero peutedina far the neH. In the mac of comnian, e panel with a ratinf of 5 would mean that appetwimaOrfy fitly per cent of the aurface waa mated. mmmm s h ipm '. s wmm - if IWiPWiiPPii LT A0782fc i t mmmm. 7 LIA07827 eniumli ifctlT HiBiTitil i TM, | Tn* * r.^mmt. Aim. tlvtoi Dan * W*V*i fmd * Nm 9*4* * tu. rv 4J9 Mr H 9 49 444 > 14 9 J9 | <a Jc* i * 0 9 14 14 9 41 4J7 M 0 9 41 4J9 0* M It 9 l' in M M It 9 43 Jh M It 49 fc O 04 <M 1* 0 0 4) 090 ftf 10 099 Itt X* 4|t 1)4 Ml 49 0 9 49 0 9 41 0 Iti 49 i! 4% M 451 U 0 t* 49 0 1% 49 4JJ u *4 Pc M 0 04 49 0 ff 49 19 9 49 t t f 4JI 40 40 40 o 4tr 451 4M 40 4U 4X1 4tfc 454 4W Jl 414 Ob 4lk 4J7 40 40 4Ar 414 4J4 449 4% 441 44 442 49 441 49 444 47 447 41 44 114 4 1!7 49 114 4cn Itt g : U9 47) Ul 474 117 n 12) 474 U4 477 12 a t> 474 IP 499 1 44| 12* J9 It 19 9 It 9 9 It 49 9 It 4) 9 M 19 990 9 9 9 9 49 44 9 9 19 990 9 9 49 9 9 41 n It 49 n !* 49 n IM 49 nu72 9a77 1% 49 04 49 t*r 49 2* 0 It 0 90 9 9 11 990 0 It 0 00 0 11 It 0 1) 9 0 0 It 0 000 9 It 0 900 41 It 0 i ! i 4* i tM tt 4 ll f l4 t t jr 4 ** 4 4 4 4 I 4t 4 fl \ i $ mi 10 41 0 0 u 111 41 It 0 4 4M 111 40 11) 000 4) It 0 t 4 mm ypwiP!PPI?l^ !^F 'tfl 9 LI AO 78 28 R' r nfehifcaik, ; Hm9I UA to *5^ r'TM..>.,in i M FT 4* 41 V C lit a If 4* in 49 V 441 \o 4* If +m in ma m I7t Jt if mt IM m m ut 91 if M * mm IS if it K*r PHa* w U P-l* Uxfa CaMali.n. Prfaaar W U MC-JI H II II II JJ II IS II u m m t%| * OMt't'M t > NHt| M IHHk Man - - - - to Mi - -- mmm 99 4m* i rw m l to-9 mi **9i -- Ml lr - *. -- 19 i -a -- a *# 9 14 44 - 44 to -- 99 49 94 --a -- 99 99 <*41 -- %to 9to *9 M-- 9 49 14 -- 19 -- 9 99 f*1 > -- -* * A i * ^*9 to fl Nt ! to >< to hM to ** *t* to- <* to* M p-. |M to* 1 w--r tm, frto p tow 9to totot to fl ---- --* 9 -- 99 -- 9 -- -- 4to 49 ... M 99 _ -- ---- to -- .-- fl -- -- tot %M MM -- -- 9 49 __ a-- 99 99 -- 99 *9 *-- -- It 99 < 49 49 .^,,m ifM ~i--r % + * 1 4 94 44 94 4 94 4 A 4 94 444 9* 9 9 * 99 *4 4 mt 4| | A 94 Ml 94 I 1'NPP i LI&C7829 1 -'- --............. " The numtxn, eompoMioo, end ccmplrtt eepueute narii of At M Imti rhowinf my little or to (aJurr art ariuM in fW II wfck W , parablf data on the rusderd or coctral point*. Tht lonwildioe drufle oa time paint* can bt found n Ttd* IV. > TMt III contain* the parionnaact rating* afttr 41 aonth* (or al of the tea panda. : CmMimw r Tht (ofloariaf rondaaHina wete rrachrd ifltt cifdd oaddtfilioa al (hr data In TMt II, ronraining tht ccrnplde mjfartioa rtaaka ea tht tta brat prawn in the project, and TMt III, cuntiining the 41 anatha inyrctmn itaaht on all of thr paiata. I. Thr we uf bmard aaioonti of one )dot (line chmnwtr) at modi fier of red load beat prawn a edrmngrnui From throe teal* mraah matrhf 15 per ena <d ainr irlbe by nhae (appro* uualrfy 10 per err* by atiflt) m thr total tagimiu would acrw to be the optmowL The trd lend paiata moddad wall l*r yeOow were ruperior. at a group, to thr control piinta m which thr corroioa whibune |ipaa cnanatrd rotirrly of ajar yellow. r i V r t fitmtt X flaw Oaaal# IWmmttt it* l-.r.......... a fw hill f Ian* af far ran U land io tad N-l* W laad aw hue /wan far Jtawaa dmaifAw*. Paaat Wan 4T wt M war* II nut nil a ana rail. naaia| raawWMa It, maalu ad Id rat laad. Jth tior ridaw, M lit Mar h Or aafciitia hd ad taa w niwaai Xi I rawaidwaMa liaawf mi waara Wo imaiaa. lit wa law 4 amid an da & 1 r a 1 arv^- rffllXfrnS rw r* *** * p><,hnM iiit r W <Mf Ou A m Ut OJ f4rO( l ilirfw r W CW Uwd twm l-W I#W Je MIW 4-- Ilf fci. fTfc* ffMMV fMl M NaW 47J M fnaw< mA 19% *W M, JT% (tar wW, 7% *m m4*, wad if% gaggkm* m* 7JW fgmrmimWmm m Ar inair #w fa4 tfA MV r--*4 99% *W laW, 4T% (W Ji mJ 19% p#Mr ` I'#4h IfJ IPm) Ki. 4X7 end 4W in Fujwtt * K< (hat greater tdbmei of fine yellow tend to |tKt nrlvr (uWf. liotb ol thew pond* were dated rth a |*mwr peif* (irtiinmf 45 CWtrims ol 55 per rent red lad 20 per emi nnr jrlla, aad 25 per nrt vara. Tbe (fimey ofl penrl Ha 4X7 (onUxu (Kj pifwwMrina n wtneke 19, a iv talk* ffrady vamitlnAd mm (renbimiMa. TV primer oa jwnrl N" 4*W f'wv:U,rt ij! wlmle 27. drfj dialed rmaftor oil nmh6cd glyceryl fMahO iftfd Higfc roKTetmiim td r aaide ibuuU Lr mod with dbcretkaa imr flurb mr ol th pigment, e^erulhr in a %hnrt oil rdade, ahowad poor |donmiKV. See |nr| Ko. 473 and 4W, in Figm< S. WV* tme cwfnifnina crr uwd in Vf oil tetuclr peimrre, rim ahrrnt HIact i njetirwrd M M at cmabietitty. (Sr pond Na 490 ia F*fwr* 6 ) TV rrwkt al Mdir due tile no n# t 'tne mdr b detrimental Vfr the red lead teener* iaatV order d70|er ret* fonirakaHy h daovt cel vdieln lwe panel Km. 4X1 and 4X5 m Fifmrt I). Ina oajde d4 a* wtewr the }rolwlnt nrrtwniwnct rd ftirar primer paint*. It dxt, U count. fontnlwte to gtnl Mdmg yew. . . mi ijpiui mj '< >m' '.w> /v i 'Mi jam. -sp- LIAC78 32 flm A. Ti< PmmAa Cm--mm ft-- tmad tmm fttarntr fa--m JUa^af Oa**a^aj niywaaw Afam 41 Maaib tmfmamm m fkm tijarmm Mmimm teat^M 4. The at ei miiir--m pie inauti am toodiheri U red lead ha prinm haa bra ahm to be rt1m ta improrinf their ptrionwanre Sax d the c ran beat Bcrioonmg red bad |anb contained aia TmUm U and Fifwrtt $ ana 6 iahutrete tbit |*xrx rerjr dearly. LI AO 78 3 3 m i iiii*U>ami*r-tEa`'aMan^oi4-M*oaMw ''iWirtiiniri%-a-.M.rtfcaia>>^i. 9 5. Au4t bom thHr characterirtir naapcndinf propartace tad other properne* tprcjfK to each, the other men pigincnU seed M aal pcntrihal* Hgminlljr to proner point performance. & Where hthorfe woe need ha one butane* n a avodater at rad Wad. ihai with a micaceaua n^mrat, c*cr&rtn perfurmanre rrvaha tree* uleaioad without other aaaiiying rwgmrai*. However. the uie of bfherjt m th* peupetwn employed bt thi* tot paint would mobc b nermary to hr otah b aeparairly (or adaaxture into the pant jovt prior to aaa. 7. A drhydrajtd eador od aBtyd via cunwatrocly outeandiaf b par* furmance. So id the arren beat paint* neuad thia idarit Thi* u aUo anbatantiated by rrork perriouly reported by Ihr Rad Land Tirlnnl Ciamnictce cat a (map td tide nap panrli (2). A Another vthirW rewibto* in food performance war an a&prd madthrd Jwrt Knaced oil ptmoue-tomiuroat raraidb Thia whtb ahuaed anperiority to the caUor ad aJtryd in put on* a! the oat winding paint 9 9. HaUiau* <d the abd-tlm ad phrauLc-cvmnvnnr tantiah (t* hkle 19) did oat rraoh ot bnprored prance ptrinentance. tO. Variarione ia vehicle and piigmcat reenpoatina eetntd to nnk the rfitt at pigawiU rolunn rarutiona. A hnthae atndy of the pnddaa a mAeated. II. The (adore d the men! pater* *u thaiatamaed by (he early appearanee cd bliWfrmg and by one aetere obonate rip enrmnna . failure a* ahona ia Ftfort 7. Uarnr of the red lend tare pang* trued rare better protective performance than the torn tiac chrruute point* hamulated in accordance with you mount ^eotcatacn*. IZ Ahbmyh paait* 116 and ]U on panel Kon 46A and W received top ratine *ng the aeven otaivUadtng ted Wad hoar Irower*, the uten fwm of the paint (armolatae and arerdWr ia raOed to the haveatrail of them partititlar piganat and vehicle condonoli ana To axorr rancaaarr rutahry of pan* No. I IA the litharge portion naau he mteodored ban the iwinner id the paint jud prior ti b* npgdeaiion. Thia introdnee* a pcartiral Imwtatboi wind* may preclude ba gcaeeal an. Of the point* formulated ntth tthidt 19, No. 1M ia the oedy rot (hod among the lea. Thh vehicle doe* mb penml aa vide a bnfttadt *o pigmentation* aa miglb he deaind. IX A rrvirvi cd the aeven bed performing peeda, riving dnr ctaaiilrrulna to muidrarT of peefomnnee <d the veWte*. lead* a* to cnacindr (hat |ai Vw IJZ Mr, I IA ID. and I JR all nffrr the point nanalnlartr and over, red Wad In* primer* of the higtwvt cpnahty he the pro of iron aaad ateel urtactaraa eapnaad at After appronlmUeW three and one half year* tea* raprance to a ripena aura* armuapiiete. a ft*ap id aeveeal rad Wad annen p peimeea have been |roved otndarvrhng Thva with ha* added to our nice cd Wah eatendrr fnppnmt* and aynthnar Vehicle* he red Wad p la addition In ftaraiihdig hemulalum, --anfartareet. and vpacadtra I ^ilWBR.Wgp" i !.J"yUUMJ" 1 rirtjfrijffiii [| iufj-'i j- t