FIELD: chemistry.
SUBSTANCE: glass contains the following components in wt %: SiO2 - 55-70; Al2O3 - 0.1-5; B2O3 - 0.1-8; Na2O - 10-20; CaO - 0.1-7; SrO - 0.1-5.5; P2O5 - 0.2-6; ZnO - 0.1-11; BaO - 0.1-6.2; K2O - 0.1-5.0; CeO2 - 0.3-2; F - 0.2-7; TiO2 - 0.1-4. Glass has the following properties: value of temperature coefficient of linear expansion equals 79-86-10-7 1/°C; amount of released crystal phase is not more than 4 wt %.
EFFECT: increase of thermosensitivity effect.
2 tbl
| Title | Year | Author | Number |
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|
RU2315010C1 |
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|
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| THERMOSENSITIVE GLASS | 1993 |
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|
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