Hnyav 646: Cov Yam Ntxwv Tshwj Xeeb, Muaj Pes Tsawg Leeg Thiab Ntom, Tus Lej Octane, Qhov Sib Txawv Nrog Hnyav 647 Yog Dab Tsi

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Niaj hnub no, cov kuab tshuaj tau nthuav tawm ntawm kev tsim kho kev lag luam hauv ntau qhov ncaj ncees. Cov npe suav nrog 646 thiab 647 yog qhov xav tau ntau ntawm cov neeg siv khoom hauv tsev. Thaum xub thawj siab ib muag, lawv cov ntawv sib xws zoo ib yam. Txawm li cas los xij, muaj qhov sib txawv tseem ceeb ntawm lawv, uas txiav txim siab qhov kev siv ntawm cov khoom no.

Peculiarities

Cov kuab tshuaj suav nrog cov tshuaj reagent sai sai uas muaj ntau yam ua haujlwm. Lawv yaj cov tshuaj organic thiab tsim cov tshuaj sib xyaw ua ke nrog lawv.

Lub luag haujlwm tseem ceeb ntawm cov kuab tshuaj yog ua kom cov xim thiab cov kua roj vanish, muab rau lawv kom ua haujlwm tau zoo, yog li ntawd qee qhov kev xav tau raug yuam rau lawv:

• tsis muaj kev cuam tshuam nrog cov xim thiab cov kua roj vanish;
• siab evaporation tus nqi;
• kev sib xyaw yuav tsum tsis yog hygroscopic;
• kev sib cuam tshuam ntawm cov kuab tshuaj thiab cov xim zas xim yuav tsum muaj qhov tsis muaj kev siv zog.

Cov kuab tshuaj cuam tshuam rau cov xim tsuas yog thaum lub sijhawm nws thov, tom qab uas nws evaporates yam tsis muaj ib qho cim tseg. Txhua cov xim thiab cov kua roj vanish sib xws rau qee yam hnyav.

Thinner tus lej 646 yog qhov muaj pes tsawg leeg thoob ntiaj teb nrog rau kev siv ntau yam.

Nws yog siv rau kev ua haujlwm nrog cov kua roj vanish thiab xim, thiab tseem cuam tshuam nrog epoxy thiab griftal primers.

Cov nquag ua haujlwm ntawm P646 yog:

• toluene - 50%;
• butanol - 15%;
• butyl acetate - 10%;
• cawv ethyl - 10%;
• ethyl cellosolve - 8%;
• acetone - 7%cov

Qhov sib txawv tseem ceeb ntawm 646 thiab 647 qib yog lawv cov muaj pes tsawg leeg.

Qhov tom kawg tsis muaj acetone, nws tau txiav txim siab tsis ua haujlwm, vim nws tau siv rau ntawm cov txheej uas yuav tsum tau ua tib zoo saib xyuas thiab muag heev, piv txwv li, thaum ua haujlwm nrog yas. Hauv txhua qhov xwm txheej, 646 yuav tsum raug xaiv.

Niaj hnub no, cov tuam ntxhab hnyav tab tom tshawb fawb txhawm rau txo qis cov toluene thiab acetone hauv cov tshuaj reagent. Qhov no yog vim qhov tseeb tias cov tshuaj no feem ntau siv hauv kev tsim cov tshuaj hluavtaws.

Pros thiab cons ntawm P646

Ntawm qhov tsis txaus ntseeg qhov zoo ntawm qhov hnyav, nws yuav tsum tau sau tseg:

• kev siv ntau yam - nws muaj txiaj ntsig ntawm ntau qhov chaw;
• kev ua haujlwm tshwj xeeb yaj - vim muaj cov khoom sib xyaw ua ke, cov kuab tshuaj tuaj yeem cuam tshuam nrog yuav luag txhua hom khoom siv;
• yooj yim siv - tsis muaj kev txawj tshwj xeeb yuav tsum tau ua kom cov khoom lag luam; txhua tus tsis muaj kev kawm tsim kho tuaj yeem nkag siab cov yam ntxwv ntawm kev ua haujlwm nrog cov muaj pes tsawg leeg;
• muaj - cov tshuaj reagent tuaj yeem yuav ntawm txhua lub khw muag khoom kho vajtse ntawm tus nqi pheej yig;
• thaum cov tshuaj tsis haum qhuav, saum npoo tau txais qhov ci ntxiv thiab ci ntsa iab;
• tsis tawm ntawm cov kab thiab greasy stains;
• evaporates sai thiab tsis muaj ntxhiab tsw;
• ntawm kev sib cuag nrog daim tawv nqaij tsis ua rau kub hnyiab.

Nyob rau tib lub sijhawm, cov khoom lag luam kuj muaj tus lej ntawm qhov tsis zoo:

• siab toxicity ntawm cov muaj pes tsawg leeg;
• ntxhiab tsw ntxhiab;
• nplaim taws siab.

Thinner 646 tau muab cais ua pawg txaus ntshai III. Kev nqus pa ntawm nws cov pa hloov pauv tuaj yeem ua rau mob, xeev siab, thiab ua tiav lossis ib nrab ntawm qhov tsis meej pem hauv qhov chaw.

Nws muaj qhov cuam tshuam tsis zoo rau kev ua pa, ua kom lub plab zom mov, tuaj yeem ua rau khaus ntawm daim tawv nqaij ntawm qhov muag thiab kev txhim kho ntawm daim tawv nqaij. Nrog rau kev ua haujlwm ntev nrog tshuaj lom neeg, qhov ua rau lub siab ua rau lub siab nce ntxiv, kev hloov pauv hauv cov txheej txheem biochemical ntawm cov ntshav thiab txawm tias ua rau cov pob txha puas tau sau tseg, uas ua rau muaj kab mob hnyav tshaj plaws. Tias yog vim li cas kev siv tus lej hnyav 646 xav tau cov cuab yeej tiv thaiv tshwj xeeb. Txhua txoj haujlwm tau pom zoo kom ua tiav hauv thaj chaw uas muaj cua nkag tau zoo lossis sab nraum zoov raws li txoj cai kev nyab xeeb.

Cov muaj pes tsawg leeg xav tau tshwj xeeb rau cov xwm txheej tshwj xeeb kom tsis suav nrog tso tawm cov pa tsis haum.

Nws tau khaws cia ntawm qhov kub ntawm -40 txog +40 degrees Celsius hauv lub thawv ntim cua, tsis suav nrog cov duab hluav taws xob UV ncaj qha.

Tsis txhob khaws P646 sab nraum zoov, nrog rau hauv qhov chaw uas ua haujlwm txuas . Cov nplaim taws yuav tsum raug cais tawm, txwv tsis pub haus luam yeeb nyob ze thaj chaw khaws cia - qhov no yog vim muaj qhov kub nyhiab siab ntawm qhov muaj pes tsawg leeg. Yog tias hluav taws tawg, nws raug tua nrog dej, xuab zeb lossis ua npuas dej.

Kev qhia tshwj xeeb

P646 raug muag hauv cov kua ua kua. Cov muaj pes tsawg leeg yog pob tshab, tsis tshua muaj xim daj.

Nws cov mis txiav txim siab cov txheej txheem tsis:

• qhov ntom ntawm cov tshuaj yog 0.87 g / cm3, uas yog vim li cas nws thiaj li yog hom phiaj sib xyaw nrog lwm cov kuab tshuaj thiab cov xim thiab cov kua roj vanish;
• qhov sib txawv ntawm qhov sib txawv ntawm 8 txog 15;
• coagulation naj npawb - ntau dua 35%;
• acid acid - tsawg dua lossis sib npaug rau 0.06 mg KOH / g;
• qhov nqus dej tshwj xeeb tsis tshaj 2% (raws li Fischer);
• kub npau npau - 59 degrees;
• kub hnyiab tau kub - 403 degrees;
• tsis muaj cua sov;
• tsis muaj viscosity nce;
• chav kawm txaus ntshai - III.

Cov thev naus laus zis ntawm kev tsim khoom thiab ntim khoom ntawm cov kuab tshuaj yog ua raws GOST 18188-172 tus qauv.

Thaum yuav khoom, xyuam xim rau cov qauv ntawm cov kua . Cov sib xyaw yuav tsum yog homogeneous, tsis muaj stratification thiab tsim ntawm cov pos huab. Qhov sib tov yuav tsum tsis txhob muaj cov khoom raug tshem tawm.

Nws tau muag hauv cov thawv hlau, ntxiv rau hauv cov thawv ua los ntawm iav lossis yas ruaj nrog ntim ntawm 1-10 litres. Cov muaj pes tsawg leeg tau npaj txhij rau kev siv, tsis xav tau kev npaj ua ntej. Khaws nws cov yam ntxwv ua tau zoo rau 12 lub hlis. Tom qab hnub tas sij hawm, qhov hnyav tsis pom zoo siv.

Scope ntawm daim ntawv thov

Thinner qib P646 yog siv thaum ua kho thiab ua haujlwm tiav. Nws lub hom phiaj yog txhawm rau ua kom cov xim muaj xim zoo nkauj, nrog rau cov kua roj vanish thiab nitro enamels. Cov khoom ua haujlwm zoo rau txhua hom xim thiab kua roj vanish. Cov kev tshawb fawb tsis ntev los no tau qhia tias P646 ua haujlwm tau zoo nrog alkyd, epoxy thiab melamine cov khoom, ntau hom putty thiab primers.

Nws tau ua pov thawj nws tus kheej zoo hauv cov hom kev kho thiab ua kom tiav hauv qab no:

• nqa cov xim rau qhov xav tau viscosity;
• rau thinning thickened thiab film-forming varnishes;
• hauv kev tsim cov nitro-varnishes thiab nitro-enamels;
• cov kuab tshuaj feem ntau tau ntxiv rau cov tshuaj txhuam thiab cov primer txhawm rau txhawm rau txhawm rau txhim kho qhov ywj pheej thiab tsim cov viscosity uas yuav tsum tau, uas ua rau nws muaj peev xwm ua kom thev naus laus zis qib cov nplaim kom zoo zoo.

P646 yog qhov ua tau zoo tshaj plaws, nws tuaj yeem coj tau txawm tias qhov qub tshaj plaws thiab xim qhuav tshaj plaws rau qhov xav tau sib xws.

Ib qho ntxiv, nrog nws txoj kev pab, pleev xim cov cuab yeej raug ntxuav los ntawm cov xim tawv tawv, rov ua rau lawv rov zoo li qub.

Kev degreasing ntawm qhov chaw tau txiav txim siab los ua kev cais cais ntawm kev siv cov kuab tshuaj qib 646 . Yog tias qhov saum npoo tsis degreased ua ntej thov primer, txheej yuav pib tev tawm ntawm qhov chaw ntawm cov roj uas seem, thiab cov nplaum (nplaum ntawm qhov ua tiav rau lub hauv paus) yuav ua rau tsis zoo. Txhua qhov kev ua kom yuag tuaj yeem ua haujlwm tsis zoo. Txawm li cas los xij, kev siv P646 nws muaj nws qhov tshwj xeeb. Cov kuab tshuaj no tau txiav txim siab ua nruj ua tsiv ntawm nws cov phooj ywg, nws siv yuav tsum tau saib xyuas tshwj xeeb. Acetone, uas yog ib feem ntawm cov kuab tshuaj, tuaj yeem ua rau lub hauv paus puas tsuaj, ua rau nws cov qauv tsis sib xws, thiab ua rau pom qhov tsis xws luag. Acetone tshwj xeeb yog txhoj puab heev rau yas, yog li nws tsis pom zoo kom degrease yas nto nrog nws.

Txhua txoj haujlwm nrog P646 raug pom zoo kom ua tiav ntawm qhov kub ntawm 5-30 degrees Celsius thiab txheeb ze cov av ntawm chav tsis siab dua 85%.

Cov tshuaj muaj tshuaj lom thiab tsis hloov pauv, yog li nws yog qhov zoo tshaj los siv lub tshuab ua pa thiab hnab looj tes thaum ua haujlwm . Nws raug nquahu kom hnav tsom iav tshwj xeeb los tiv thaiv koj lub qhov muag. Yog tias cov tshuaj nkag mus rau ntawm daim tawv nqaij, thaj chaw cuam tshuam yuav tsum tau kho nrog dej sov thiab xab npum. Yog tias cov tshuaj hnyav nkag mus rau hauv lub qhov muag, koj yuav tsum tau mus nrhiav kev pab kho mob tam sim ntawm qhov chaw kho mob ze tshaj plaws.

Cov kuab tshuaj yog cov khoom siv hluav taws kub heev.

Hauv chav uas ua haujlwm tiav, nws yog ib qho tseem ceeb kom tsis suav nrog qhov muaj peev xwm ua rau tawg - tsis txhob haus luam yeeb nyob ze, ua hluav taws thiab nqa vuam, txwv tsis pub qhov tshwm sim tuaj yeem yog qhov txaus ntshai tshaj plaws.

Qee tus "kws tshaj lij" pom zoo nchuav cov tshuaj hnyav rau hauv roj av kom nce tus lej octane ntawm cov roj, ntxiv rau ntxuav cov tshuaj thiab lub qhov rooj ntawm lub tsheb roj system. Txawm li cas los xij, muaj tsawg tsawg qhov tau lees paub qhov ua tiav ntawm cov kev ua no, uas txhais tau tias tsis muaj kev lees paub ntawm nws qhov ua tau zoo.

R646 noj

Cov kuab tshuaj tau ntxiv rau cov xim thiab cov kua roj vanish puag hauv qhov me me nrog qhov sib tov tas mus li kom txog thaum xav tau viscosity.

P646 yog tus nquag heev, yog li tuav cov khoom no yuav tsum tau saib xyuas, txwv tsis pub lub ntsej muag yuav raug kho yuav puas.

Khoom siv rau degreasing ib 1 sq. m yog:

• rau facade ua haujlwm, qhov ntim xav tau yuav yog 0.17 litres;
• rau qhov chaw ua los ntawm hlau lossis ntoo sab hauv tsev - 0, 12 l;
• rau ib txheej ntawm qhob - 0, 138 l;
• rau txhua hom saum npoo av hauv qhov chaw muaj huab cua txias - 0, 169 litres.

Cov tshuaj hnyav 646 yog qhov raug txiav txim siab yog ib qho ntawm cov tshuaj hnyav tshaj plaws, yog li nws tau siv dav hauv kev kho cov cuab yeej siv thev naus laus zis.

• Ua ke nrog cov kua roj vanish XB-784 . Lawv feem ntau siv hauv khw muag khoom los npog cov tso tsheb tso dej tso kua dej thiab ntxuav cov tshuaj lom neeg, tso tso quav tso zis tso quav tso tso dej tso tso quav tso quav thiab tso cov kav dej kom huv. Nws muaj peev xwm siv cov kua roj vanish thiab pleev xim rau lub hom phiaj no nkaus xwb nrog hnyav 646. Nws cov qauv siv yuav yog 0.086 l / m2.
• Ua ke nrog NTs-11 txha hniav laus . uas yog qhov tsim nyog rau kev ua cov nplaim hlau ua haujlwm nyob rau hauv cov huab cua hloov pauv nrog qib siab ntawm cov dej noo, suav nrog dej hiav txwv, nrog rau cov khoom siv roj. P646 yog siv los yaj cov xim no ntawm tus nqi 0.528 kg ib sq. m. kev pab them nqi Rau cov xim tsis yog xim hlau ua haujlwm nyob rau hauv cov xwm txheej zoo sib xws, NTs 1200 txha hniav laus tau siv, nws tau diluted raws li tus qauv ntawm 0.17 l / m2.
• Rau kev ua haujlwm kho sab hauv, koj yuav tsum muab qhov nyiam txha hniav laus NTs-25 … Qhov kev faib ua feem ntawm nws qhov hnyav yog 0, 120 litres ib square meter ntawm qhov chaw.

Txhawm rau tiv thaiv cov ntxeem tau txheej ntawm cov pob zeb thiab cib los ntawm qhov tsis zoo ntawm alkalis thiab cov kua qaub, siv cov kua nplaum. Tib lub sijhawm, nws tsuas tuaj yeem qhia nws cov neeg siv khoom muaj txiaj ntsig zoo dua thaum diluted nrog cov kuab tshuaj zoo - qhov no yuav xav tau 1.2 litres ntawm P646 ib square meter. Yog tias cov tshuaj pleev tau siv los tiv thaiv sab hauv ntawm lub teeb tso tsheb hlau luam, ntim rau cov kua qaub -hauv paus sib xyaw thiab cov ntxaij lim dej ntawm sodium cation, cov tshuaj hnyav yuav qis dua - 0, 138 l / m2.

Hniav EP-5116 siv los kho cov txheej txheej ntawm cov kav dej thiab cov roj tso dej, tau diluted nrog cov kuab tshuaj ntawm qhov sib piv ntawm 0.169 litres ib square meter.

Chaw tsim tshuaj paus

Cov khoom lag luam zoo tuaj yeem tsuas yog yuav los ntawm cov chaw tsim khoom ntseeg tau. Cov khoom lag luam uas ua tau raws li txhua qhov xav tau thiab cov txheej txheem thev naus laus zis yog tsim los ntawm ntau lub tuam txhab.

• Dmitrievsky tshuaj cog - lub tuam txhab nrog keeb kwm keeb kwm, tshwj xeeb hauv kev tsim cov tshuaj lom neeg rau kev lag luam.
• Upper Volga xim thiab cov kua roj vanish Hoobkas - tus paub zoo tus neeg xa khoom hauv tsev ntawm cov kua roj vanish, txha hniav laus, pleev xim, cov tshuaj hnyav thiab cov primers ntawm Lavxias lag luam thiab hauv CIS lub tebchaws.
• " Polycom" Cov . - yog ib tus thawj coj hauv ntu ntawm kev tsim khoom lag luam thiab tshuaj lom neeg hauv tsev.
• " Yaskhim " - tus tsim cov kuab tshuaj petrochemical zoo tshaj plaws.

Tag nrho cov tuam ntxhab no tau nce qhov xav tau rau cov khoom lag luam zoo thiab ua lawv cov haujlwm raws li GOST cov qauv.

Hauv kev xaus, ob peb qhov tseeb txog qhov hnyav uas yuav tsum tau ua hauv siab thaum pib ua haujlwm nrog cov khoom sib xyaw ua ke no:

• sib tov ntawm cov kuab tshuaj uas muaj kuab paug rau huab cua thiab cua tau suav tias yog qhov tawg heev;
• kev phom sij txaus ntshai rau lub neej thiab kev noj qab haus huv zoo nyob hauv huab cua, yog tias lub ntim nrog P646 tau khaws cia qhib, tshwm sim sai dua;
• Cov pa hnyav hnyav dua li huab cua - lawv poob qis thiab tuaj yeem nyob ncaj qha saum toj hauv av lossis hauv av;
• taws tuaj yeem ua tau txawm tias nyob deb, thaum tsis muaj kev sib cuag ncaj qha ntawm hluav taws thiab tshuaj;
• thaum cuam tshuam nrog kua txiv thiab hydroperite, cov khoom tawg tau tsim;
• qhov phom sij txaus ntshai ntawm P646 nrog chloroform thiab bromoform tau sau tseg, uas ua rau muaj teeb meem phom sij.