Shellac vs Varnish
Shellac thiab cov kua roj vanish yog cov npe ntawm cov khoom tiav siv rau cov ntoo kom muaj kev tiv thaiv npog. Cov kev ua tiav no yog pob tshab thiab tsis yog tsuas yog txhim kho lub durability ntawm cov ntoo saum npoo, tab sis kuj ua rau lub npog uas zoo li ntxim nyiam. Txawm hais tias yuav luag zoo sib xws, muaj qhov sib txawv ntawm cov ntaub ntawv siv hauv ob qhov ntoo tiav. Tseem muaj qee qhov sib txawv ntawm shellac thiab kua roj vanish uas yuav tau tham txog hauv kab lus no.
Varnish
Varnish yog txheej pob tshab ua los ntawm cov resins tau los ntawm cov ntoo uas sib xyaw nrog dab lossis lwm cov roj. Cov kua yog ceev kom qhuav thiab siv tshaj ntoo thiab lwm qhov chaw, kom muaj ib tug tawv thiab meej zaj duab xis uas yog ob qho tib si zoo nkauj zoo li tiv thaiv nyob rau hauv cov xwm. Cov kua roj vanish tawm ntawm qhov chaw glossy txawm tias niaj hnub no, nws tseem ua kom tawm hauv qab tsis yog zaj duab xis ci. Cov kua roj vanish tau siv txij li lub sijhawm immemorial hla cov rooj tog ntoo los ua kom tiav uas ua rau cov chaw zoo nkauj thiab ruaj khov heev.
Shellac
Shellac yog cov khoom siv uas tsim los ntawm qee cov kab uas muaj nyob rau sab hnub tuaj Asia, tshwj xeeb yog Is Nrias teb. Nws yog hu ua lac thiab ib txwm zais los ntawm cov kab uas loj hlob ntawm ntau hom ntoo. Cov kab ua cocoons ntawm cov resin no uas yog siv los ua cov khoom siv hauv paus thiab sib xyaw nrog cawv los ua cov khoom ntshiab hu ua shellac. Cov tshuaj no tsis yog tsuas yog ua kom muaj kev tiv thaiv npog ntoo thiab lwm qhov chaw tab sis kuj nkag mus rau hauv qhov hws kom kaw qhov tsis zoo.
Shellac vs Varnish
• Varnish yog cov nroj tsuag keeb kwm, whereas shellac yog tsiaj keeb kwm.
• Varnish tau siv txij li lub sijhawm qub ntau dua li shellac raws li cov neeg Iyiv thaum ub paub.
• Shellac yog tau los ntawm kev sib xyaw cov resin tau los ntawm kev zais ntawm qee cov kab uas pom nyob rau sab hnub tuaj Asia.
• Varnish kuj kho thaum nws qhuav. Qhov no yog vim li cas nws muab kev tiv thaiv ntau dua rau cov ntoo saum npoo dua li shellac.
• Rau cov khoom qub, shellac yog qhov kev xaiv zoo dua vim tias nws tuaj yeem siv nrog cov tsho nyias nyias dua li cov kua roj vanish.
• Varnish yog tsim los ntawm kev sib xyaw ntawm cov ntoo nrog cov roj, whereas shellac yog tsim los ntawm kev sib xyaw resinous secretions ntawm kab nrog cawv.
• Shellac tsis muaj tshuaj lom, thiab qhov no tso cai rau nws siv los ua cov npog sab nrauv ntawm cov tshuaj ntsiav thiab tshuaj. Shellac kuj tseem siv los ua cov khoom siv insulating hauv cov khoom siv hluav taws xob.
• Shellac yog hom kua roj vanish tab sis tsis siv tshaj qhov chaw uas raug dej.
• Shellac yog cawv soluble thaum cov kua roj vanish tsis soluble hauv cawv.
