Qhov sib txawv tseem ceeb ntawm spar varnish thiab spar urethane yog cov kua roj vanish zoo li nti los yog chalk tawm dhau sijhawm, whereas spar urethane nyiam nyob rau hauv ib qho nyuaj, ci ntsa iab.
Txawm hais tias peb tab tom piav qhia txog spar urethane thiab spar urethane raws li cov ntsiab lus sib cais hauv kab lus no, spar urethane yog ib hom spar varnish. Hauv tsab xov xwm no, peb tab tom tham txog cov khoom ntawm cov ntaub ntawv qub ntawm spar varnish thiab niaj hnub spar urethane.
Spar Varnish yog dab tsi?
Spar kua roj vanish tuaj yeem piav qhia tias yog cov kua roj vanish uas yog thawj zaug tsim los rau txheej txheej ntawm spars ntawm lub nkoj caij nkoj. Qee lub sij hawm, spar varnish tseem hu ua nkoj varnish lossis yacht varnish. Spar varnish tau siv rau hauv daim ntawv thov ntawm masts thiab rigging, thiab nws muaj peev xwm tiv taus tej yam kev mob thiab. Ntxiv mus, spar varnish tso cai rau cov khoom yuav tsum tau flexed los ntawm cua loads lawv txhawb, cuam tshuam ntawm hiav txwv thiab huab cua phem, thiab cov teebmeem los ntawm UV degradation los ntawm ntev raug rau tshav ntuj.
Txhawm rau tiv thaiv flexing, cov kua roj vanish yuav tsum yoog raws thiab elastic. Yog tias cov kua roj vanish tsis elastic txaus, nws yuav tawg sai sai, cia cov dej nkag mus rau hauv cov ntoo hauv qab. Thaum ntxov, tsis muaj cov khoom siv yooj yim uas yooj yim ua haujlwm nrog. Yog li ntawd, varnish ntau lawm yog rudimentary. Txawm li cas los xij, qhov no tau txhim kho loj heev tom qab kev txhim kho hauv cov khoom siv hluav taws xob niaj hnub no.
Keeb kwm, spar varnish tshwm sim raws li cov roj luv luv uas muaj cov roj ua tiav me me xws li cov roj boiled linseed. Cov roj ua tiav no tau ua kom yooj yim rau cov kua roj vanish. Txawm li cas los xij, nws cov huab cua kuj tseem tsis zoo. Yog li ntawd, nws yuav tsum tau rov coated ntau zaus.
Tam sim no, spar varnish yog siv rau cov ntoo sab nraum zoov hauv North America. Cov kua roj vanish niaj hnub no zoo heev nyob rau hauv huab cua tsis kam thiab UV tsis kam, txawm hais tias nws qhov kev hloov pauv tsis yog qhov xav tau. Spar urethane yog hom niaj hnub spar varnish.
Spar Urethane yog dab tsi?
Spar urethane yog ib hom spar varnish uas muaj polyurethane-raws li tiav uas yog npaj siv sab nraum zoov. Yog li ntawd, cov khoom no yog resistant rau tshav ntuj, tshav kub, thiab dej. Qhov kev tiv thaiv no yog cov cuab yeej tseem ceeb tshaj plaws ntawm spar urethane.
Daim duab 01: Lub Rooj Varnished nrog Spar Urethane
Feem ntau, polyurethane varnishes yog tawv, puas-resistant, thiab ruaj. Hom kua roj vanish no yog nrov siv rau cov plag tsev hardwood. Txawm li cas los xij, qee tus neeg ua tiav ntoo xav tias cov khoom no nyuaj rau kev ua haujlwm thiab tsis tsim nyog rau kev ua tiav ntawm cov rooj tog zaum lossis lwm cov ncauj lus kom ntxaws.
Qhov txawv ntawm Spar Varnish thiab Spar Urethane yog dab tsi?
Spar varnish yog cov kua roj vanish ntoo uas yog tsim los rau cov txheej txheem ntawm lub nkoj caij nkoj, thaum spar urethane yog hom spar varnish uas muaj cov tshuaj polyurethane-raws li tiav uas tau npaj los siv hauv sab nraum zoov. Yog li ntawd, spar urethane yog ib daim ntawv niaj hnub ntawm spar varnish. Qhov sib txawv tseem ceeb ntawm cov kua roj vanish thiab spar urethane yog cov kua roj vanish zoo li nti lossis chalk tawm lub sijhawm, thaum spar urethane nyiam nyob rau hauv ib qho nyuaj, ci ntsa iab. Thaum Spar cov kua roj vanish muaj kev sib piv huab cua tsis zoo thiab UV tsis kam, spar urethane muaj huab cua zoo heev thiab UV tsis kam.
Cov hauv qab no qhia txog qhov sib txawv ntawm spar varnish thiab spar urethane hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Spar Varnish vs Spar Urethane
Spar varnish yog cov kua roj vanish ntoo uas yog tsim los rau cov txheej txheem ntawm lub nkoj caij nkoj. Qhov sib txawv tseem ceeb ntawm cov kua roj vanish thiab spar urethane yog cov kua roj vanish feem ntau ua nti los yog chalk tawm thaum lub sij hawm, whereas spar urethane nyiam nyob rau hauv ib qho nyuaj, ci ntsa iab.
