Borosilicate gilasijẹ iru awọn ohun elo gilasi pẹlu akoonu boron ti o ga julọ, ti o jẹ aṣoju nipasẹ awọn oriṣiriṣi awọn ọja lati oriṣiriṣi awọn aṣelọpọ.Lara wọn, Schott Glass's Borofloat33® jẹ gilasi silica borate giga ti a mọ daradara, pẹlu isunmọ 80% silicon dioxide ati 13% boron oxide.Yato si Schott's Borofloat33®, awọn ohun elo gilasi miiran ti o ni boron wa ni ọja, gẹgẹbi Corning's Pyrex (7740), Eagle jara, Duran®, AF32, ati bẹbẹ lọ.
Da lori awọn oriṣiriṣi oxides irin,gilasi yanrin borate gigale ti wa ni pin si meji isori: alkali-ti o ni awọn ga-borate yanrin (fun apẹẹrẹ, Pyrex, Borofloat33®, Supremax®, Duran®) ati alkali-free ga-borate silica (pẹlu Eagle jara, AF32).Gẹgẹbi awọn iṣiro oriṣiriṣi ti imugboroja igbona, alkali-ti o ni gilasi silica borate giga le jẹ tito lẹtọ siwaju si awọn oriṣi mẹta: 2.6, 3.3, ati 4.0.Lara wọn, gilasi pẹlu olùsọdipúpọ imugboroja igbona ti 2.6 ni olusọdipúpọ kekere ati resistance otutu ti o dara julọ, ti o jẹ ki o dara bi aropo apa kan fungilasi borosilicate.Ni apa keji, gilasi pẹlu olùsọdipúpọ imugboroja igbona ti 4.0 jẹ lilo ni akọkọ fun awọn ohun elo sooro ina ati pe o ni awọn ohun-ini sooro ina to dara lẹhin toughing.Iru ti a lo julọ julọ jẹ eyiti o ni iye iwọn imugboroja gbona ti 3.3.
Paramita | 3.3 Borosilicate gilasi | Gilasi onisuga orombo |
Silikoni akoonu | 80% tabi diẹ ẹ sii | 70% |
Ojuami igara | 520 ℃ | 280 ℃ |
Annealing Point | 560 ℃ | 500 ℃ |
Ojuami Rirọ | 820 ℃ | 580 ℃ |
Atọka Refractive | 1.47 | 1.5 |
Itumọ (2mm) | 92% | 90% |
Modulu rirọ | 76 KNmm^-2 | 72 KNmm^-2 |
Wahala-Opitika olùsọdipúpọ | 2,99*10^-7 cm^2/kgf | 2,44 * 10 ^ -7 cm^2 / kg |
Iwọn otutu ti nṣiṣẹ (104dpas) | 1220 ℃ | 680 ℃ |
Imugboroosi Laini (20-300 ℃) | (3.3-3.5) ×10^-6 K^-1 | (7.6~9.0) ×10^-6 K^-1 |
Ìwúwo (20 ℃) | 2,23 g • cm^-3 | 2,51 g • cm ^ -3 |
Gbona Conductivity | 1.256 W/(m•K) | 0.963 W/(m•K) |
Resistance Omi (ISO 719) | Ipele 1 | Ipele 2 |
Resistance Acid (ISO 195) | Ipele 1 | Ipele 2 |
Idaduro Alkali (ISO 695) | Ipele 2 | Ipele 2 |
Ni akojọpọ, ni akawe si gilasi orombo soda,gilasi boroslicateni iduroṣinṣin igbona to dara julọ, iduroṣinṣin kemikali, gbigbe ina, ati awọn ohun-ini itanna.Bi abajade, o ni awọn anfani bii resistance si ogbara kemikali, mọnamọna gbona, iṣẹ ṣiṣe ẹrọ ti o dara julọ, awọn iwọn otutu iṣẹ ṣiṣe giga, ati lile giga.Nitorina, o tun mọ biooru-sooro gilasi, ooru-sooro mọnamọna gilasi, gilaasi sooro otutu otutu, ati pe a lo nigbagbogbo bi gilasi kan ti ina-sooro.O ti wa ni lilo pupọ ni awọn ile-iṣẹ bii agbara oorun, kemikali, apoti elegbogi, optoelectronics, ati awọn ọna ohun ọṣọ.