STN ISO 7991
| Name: | STN ISO 7991 |
| Validity: | Valid |
| Number of pages: | 12 |
| Language: |
CS
|
| Paper: | 9,70€ |
| Electronic version |
a) Only read (without ability to print and copy)
8,73€ b) Without ability to print, with ability to copy (printscreen) 9,70€ c) With ability to print and copy (printscreen) 12,61€ |
| Slovak title | Sklo. Stanovenie stredného súčiniteľa dĺžkovej (teplotnej) rozťažnosti |
| English title | Glass. Determination of coefficient of mean linear thermal expansion |
| Release Date: | 01. 10. 1992 |
| Date of withdrawal: | |
| ICS: | 81.040.10 |
| Sorting character/National clasification code | 70 0511 |
| Level of incorporation: | obs ISO 7991:1987 |
| Official Journal | 10/92 |
| Amendments | |
| Replaced by: | |
| Repleces: | STN 70 0511:1976-02 |
| Note in Official Journal: | |
| Subject of the standard: | Tato norma urcuje metodu stanoveni stredniho soucinitele delkove teplotni roztaznosti skla ve vymezenem teplotnim rozmezi, ktere lezi v dostatecnem odstupu pod dilatometrickou transformacni teplotou, kdy prevladaji elasticke vlastnosti skla v tuhem stavu. Tato metoda plati pro vsechna technicka skla slozenim odpovidajici bezne hromadne vyrobe, neplati pro taveny kremen a sklokeramiku a ostatni skla s podobnymi nizkymi souciniteli delkove roztaznosti. |