Yuav ua li cas yog tias gouache withered? Yuav ua li cas yuav muab ib tug thib ob lub neej mus rau xim?

Gouache - ib tug xim uas nyiam siv rau yog nqus cov tub txawg thiab amateurs. Nws kuj zoo suited rau muaj tswv yim ua ub no nrog tus me nyuam, thiab tag nrho vim hais cov xim muaj hlau yog ntxhiab, dries sai sai thiab zoo nkaus li zoo. Tab sis li cas yog gouache withered? Ntawm cov hoob kawm, koj muaj peev xwm muab pov nws thiab yuav ib lub tshiab. Txawm li cas los, muaj ib txoj kev kom txuag tau nyiaj. Nrog ib tug me ntsis kev rau siab, cov xim muaj hlau yuav tsum muab ib tug tshiab lub neej.

Gouache xim

Gouache yog tuab thiab opaque xim. Vysohnuv, nws yog matte thiab velvet. Nws yog zoo meej rau daim ntawv, canvas, cov duab los qhia los yog tus ntoo nto.

Tsis zoo li watercolors, gouache paints tsawg phau ntawv, tab sis ntau npaum li cas pigments. Qhov no ua rau nws ua tau rau tshooj unsuccessfully tau ib lub rooj zaum, yuav tsum tau mus rau xim txawm qhov tsaus ntuj nti me ntsis lighter xim. Previous khaubncaws sab nraud povtseg yuav tsis qhia los ntawm, cov duab yuav tawm tuaj zoo nkauj, ci, thiab feem ntau cov tseem ceeb - cov neeg.

Gouache muab cia rau hauv nruj nreem kaw ntim ntawm chav tsev kub. Nws yuav tsum tau muaj kev tiv thaiv los ntawm cov cua txias hauv qab no zero. Yog hais tias nws thiaj li tshwm sim hais tias rau ib co yog vim li cas twb qhuav xim (gouache), yuav ua li cas nrog lawv, yuav tsum tau tham tom qab nyob rau hauv no tsab xov xwm.

Yuav ua li cas kom zoo zoo sib tov gouache

Nws yog qhov zoo tshaj plaws los mus sib tov los yog dilute gouache rau ib tug tshwj xeeb vaj huam sib luag. Yog hais tias nws tsis tau, ces tus lwm txoj yuav yog ib qho zoo tib yam lub phaj. Cov xim yog heev yooj yim mus ntxuav.

Los ntawm lawv cov chaw ua hauj lwm, ua ntej ntawm tag nrho cov xim zoo do nyob rau hauv ib hub thiab ces kis heev ib tug me me kom muaj nuj nqis mus rau lub palette, tab sis twb muaj cov tov nrog dej los yog lwm yam xim rau muab qhov xav Hawj txawm.

Gouache yog diluted mus rau lub sib xws ntawm cov kua qab zib, tab sis koj yuav tsum paub thaum twg lawm - cov xim muaj hlau yuav tsum tsis txhob yuav translucent, koj yuav tsum tau mus nyob twj ywm heev nruj. Kua nteg Gouache dries yuav tawm tsaus bumpers. Yog hais tias cov xim muaj hlau thov heev thickly, txawm nyob rau hauv ntau yam khaubncaws sab nraud povtseg, nws yog phem rau txhim kho thiab yuav crumble, zoo li plaster.

Yuav ua li cas yog tias gouache qhuav

Tej zaum, thaum ib hub ntawm cov xim muaj hlau yog tsis nruj nreem kaw, gouache yuav qhuav tawm. Nqa nws mus ua hauj lwm mob yuav ua tau raws li nram no:

• nchuav me ntsis dej (nws yuav tsum npog me ntsis xim);
• cap nruj nreem kaw lub thawv thiab sab laug nyob rau hauv lub xeev no rau ib hnub;
• yog hais tias tus tom ntej hnub yuav xim ib tug tuab, ntxiv ib me ntsis dej thiab tawm hauv lub thawv nyob rau hauv lub thib ob hnub.

Yog hais tias, xav txog yuav ua li cas yog tias gouache withered tam sim ntawd, koj txiav txim siab yuav siv no txoj kev, dilution, nco ntsoov tias cov dej yuav ua rau cov xim muaj hlau nyias thiab translucent. Tom qab so qhuav xim txheej yuav tawg thiab discolor.

Yog li, ntau tshaj li ib zaug, koj muaj peev xwm txawm rov qab rau hauv lub hardest xim. Koj yuav tsum to taub tias rau kev ntxias ua hauj lwm rau art zoo tu qab tso xim yog tsis tsim nyog. Qhov kev xaiv no yog qhov zoo tshaj plaws siv rau cov me nyuam txoj kev creativity.

Yuav ua li cas nrog qhuav gouache (siv ib tug dej da dej)

Muaj yog ib tug thib ob txoj kev ntawm dilution gouache - ib tug dej da dej. Nws yog tsim nyog los npaj ib tug steamer ntawm hlau (nws yuav hloov los ntawm ob capacitors ntawm txawv txoj kab uas hla), toothpicks thiab boiling dej. Kauj ruam yog kauj ruam cov lus qhia rau softening gouache yog raws li nram no:

• nyob rau hauv ib lub hub nrog qhuav gouache yuav tsum tau ncuav ib boiling dej cia li yuav tsum tau them kom tiav nrog xim;
• hub nrog xim twb muab tso rau hauv lub lauj kaub nrog tus me txoj kab uas hla. Tom ntej no, ib tug loj inch lauj kaub uas muaj dej mus txog rau ib nrab, yuav tsum tau muab tso rau hauv lub thib ob lub lauj kaub ntawm cov xim muaj hlau;
• Lub kaus mom yuav tau muab tso rau hauv cov dej pleev xim thiab qab lawv;
• dej nyob rau hauv cov hlab yog coj rau ib tug boil thiab Bates hluav taws, thiaj li hais tias cov kua me ntsis bubbling;
• thawv them nrog ib tug hau;
• cov kua yuav rhaub, ces tus dej kub yuav tsum tau mus saum li yuav tsum tau;
• toothpicks yuav tsum tau mus xyuas ntau npaum li cas xim softened.

Rau tsis dhau qhuav xim yuav tsum tsis muaj ntau tshaj li 20 feeb. Yog hais tias koj tsis paub yuav ua li cas yog tias gouache qhuav li los ntawm lub xeev khob, ces cia li simmer lub rhawv zeb rau yam tsawg ib teev, txhua yam yuav tig tawm. Peb yuav tsum tau tos kom txog thaum ces, kom txog thaum lub gouache yuav tsis raug txhib kom txog thaum tus.

Paub ua li cas thaum cov xim muaj hlau (gouache) tau qhuav, koj yuav txuag rau lub purchase ntawm cov ntaub ntawv tshiab kom muaj tswv yim. Nyob rau hauv tus txheej txheem ntawm diluting cov xim muaj hlau ua ib tug kua taub hau thiab nws yuav tsim dua rau siv. Peb yuav tsum tau tsuas nco ntsoov tiv thaiv ntawm txhais tes thiab cov khaub ncaws raws li phem gouache kom.