Cov khoom siv yog lub khob xab npum thawv ua los ntawm?

Cov thawv xab npum feem ntau yog ua los ntawm cov iav siab borosilicate iav. High borosilicate iav muaj cov yam ntxwv hauv qab no:

Lead-dawb thiab muaj kev nyab xeeb: High borosilicate iav tsis muaj cov hmoov txhuas, muaj qhov sov thiab xis muaj peev xwm tiv thaiv kev noj qab haus huv zoo dua.

Siab pob tshab: siab borosilicate iav muaj zoo transparency thiab tuaj yeem qhia meej qhov zoo nkauj ntawm xab npum.

Muaj zog corrosion: cov khoom no muaj zoo corrosion tsis kam, yog yooj yim los ntxuav, thiab tuaj yeem tswj hwm nws cov gloss tau ntev.

Zoo tawg-pov thawj ua pov thawj: High borosilicate iav tau tawg-pov thawj ua haujlwm thiab muaj kev nyab xeeb dua.

Ib qho ntxiv, tus tsim thiab siv cov iav xab npum ntau kuj muaj ntau yam. Piv txwv li, qee cov iav xab npum siv peb-seem engraving thev naus laus zis, uas yog cov cua zoo nkauj thiab huab cua, cov chav nyob, chav pw thiab lwm qhov chaw.