Document NEJG858LgL4V6123m8LMMwDwD

ECHXOLOGXCAL S E. R V I C E 1*1. 3. r* l l T>*iln( d u in i iilin fifi.l ITI** m(o f, f l r r o l i r in r la l |iln lc ta>f |il;iil.-fm , lrirll n * ln p f a n f i n l f i n r i , *!') 'I n | .l'iiI iv j < 1 (1 ,1 * . IWINT TESTI N(! OliTITT `ii- Unint T estin e Ovilltt i Him! h y 'lh A.S.T.M . in 1rian:tdmar<tinlit:inr-rU i(ndfilhe.frdali*.!IVtmirpoiesxetliMif;cuthlrl eaomniswhatenrlyicronl ,TMr hoi:** i paini* TtiTn*ti1*n-tMai!ur,rliol.y;saen;p,aliinni*e,*a'*maimtei sIttvtintthim i)U.. S. Government In nr paini, v:trni,h, mi'l n-Iaii'd materia).. In Ibi* m ulti iln* ii^ictl veielit Ima ha liceo reparcd nf tih *l***! welj;lit *dib a .mlnhli1han w r, nini lhc rvHmlriral rittnr ha been I |iy a 5itlnm>ri;i*il paddie (ype re l'T ." irii'tinrt-liip rati Il-'a urli* in dameter The '.est cmmvner i* a standard newlueli, in lise, replares Un* pnial test aiitt aler liniU. U 1*suppurimi hy tvrim ilnr inrlal piate* prttvided [or th piatteria. Tt:sT iM ion:m :K i: I. Mix l1m* painl rnniple Omrunghly anil strain it Into the cnntntnrr. Urine the Mml*ire ol litr mimpli* tv 2.V 0.25'G ami muiiitnin it at that temperature fine ill" trst. I'iarv ih<> rmitnlncr on thu metal plate tii the platiorm and raise until the hill- type mlor 1* centrally Immersed in thn ample to the math Inscribed on the in shaft. l`f imi Mrt *1 M fftiill, * r /l.S.T.-lf. SfinJiifJl HIT 5ui)a*trMrNf J'r( //, N*n* -ll.f Mfhttmlf, CffilmlJrtpt, ff. IW'/J!, i iriiiiuU> 'm l.n k trt" f n*l*f i V***l in ti'flnl l n i l i w lfll , itu l h i t b ttii r r p l t t r i tijf lh u tiiM /crd Mi.- i) |w wKlili c lffp *** ff|*f*Uutll'|* m u ll . 0 Il T HU R I I . T H O M A S CO., P H I L A D E L P H I A 5, PA ,, U.S. A. . 15 . -^ 6 1 9 2 3 7 L rO irrta*? T K C II N 0 I, O C I C A 1, S F. U V I C K il. jlpfnre slnrlng Hip lesi, ri'ira'p (hi* tiralie and rln'cl: Ilio numiv nf revnbiilnns of llu* ruior ili inno ;*> lo 5 s^ruinK a* mrirmrod In* a stop Usine different velghlii, tli'ti;rmno th limi* m p iiri'd fnr I(l(/ rrvoluloiis ut il)i> rulnr, Sr|yc; miglili lm i vili glve ul leiisl iwn reaiings wiildn niiigp of 27 lo flit srrnm li. T inse dvler- mlnalinn* simutd lo* imult* frinii i ninnine i*lnrl. lim i 'w, II'* rnlnr siinuhi In- alluvved lo 1 leasl IO rovnlulinn! hefure Ilo* lim ine of (In* tri*t li started. tlcirriirinf, by plolting or interpolai ioti, tli** wrght li gruiiui neci*s*\*iry l produce 100 rrvolu- itimx of ilo* rolor in >`10 Formuli. n iS T IIS S K lN Krrm IInlfM nini IlKr f Krrlw* Sloriner Chart." Many jmint manufacturer* bave (ulnptnl Krt-lis Unii ralic*i ;e d n iv rd [nun tin* Krebs' SIumiut Chari. for i-aisifyin;; Ilio rniisisli'lii'y of puiiilS, The rlinrl, a* shrnvn no page 20. lahtdal"* ilo* driving weight in grulli* agallisi ila* tiiio' io mtoiuIu for Itti) revolution* uf Ilo* puddle. Tin* sani** priir**ilur** 1* 'tlhnved a* ntit above, labi ni; rare* lo maintain firn temporal ore of ilo* t an:jil<* al I (t.llf* (!, Tin* number of Krrlia Unii* t:= fouoil simply by reading in the `appropriale Hint nini mimmi. Tliiri. if '.II') grams r;m*ed t!n* puddle lo mata* Ititi revolution* iti lit) *emnds. Mi* material under lisi would have Ilo* eniioisleney of (12 K fi-li Uni!*. A paini i*onsiili*ri*rl lo In* of prop**r brushing rnnsi-.lnnry ha* le*en given ili* arbitrary valili* ni lil'l Krebs Unii*. A*(>fi: i<n;if paini*. hn*h llni'l**r unti thinner than thi* standard, were then prepared amt. of Itinsi*, rrriain ones ivt*ri*-Kcb*ct'd i< dilfer in ritiisisteney by arbitrarily given values of Iti Krebs Unit* using ilo* meiiiliii! S lornvr l'ainl Testing OutliL l 'niisw(i*iii*y of paints varying from i;n tu |le) K lein l'n iis wa* then measured. KuH<-:enl weight* were em pio)ni for rarh sample lo vary the linn* ri-iptiml fur 100 revolutions uf ilo* puddh* lypi* rotor from *21 In -to i`i,r"iu|:t, Tin* labi* slimvn on page 2*7 was tlii*n ib*rivrtl by mlerpolalion from Unse resull.i, S!rolmsro;tir Altarbnienl (National I.cail Com pane Tinier). I'nr use on ifce Slormer Visfivinieier lo nrcriffati* and improve ihe accurnry ni lite paint cor-Mslency lest at rot minimi speed uf 21)0 r.p.m., In accordance with A.S.T.M. standard inel hod D-5C2, In which Ibu rale of shear is adopted as u constant, and Ihe force rnpaired to produce thin prescribed rate in accepted as a measure of consistency. Pererihai ip dr(d under 'Mlfac/imrnf/' on pop J6. * *1 4 73 n a (ji c/i H O/ 73 n n >% 73 H H H F3 ^5 o"3 >H O z CO CONFIDENTIAL SUBJECT TO PROTECTIVE ORDER I trcrO t't ^ 0 C19238