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DIN ISO 7884-7:1998-02
Glass - Viscosity and viscometric fixed points - Part 7: Determination of annealing point and strain point by beam bending (ISO 7884-7:1987)More info
The document specifies the method of determination the annealing point and the strain point of a glass by beam bending. These values have been found useful for specifying the cooling programme in the production of glassware. The annealing point and the strain point include a well-defined temperature descrease during the measurement. This method is applicable to all glases of normal bulk-production compositions, unless the preparation of suitable test specimens is hindered by special reasons. This method is particularly suited for glasses that for one reason or another are not adoptable for flame-working.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 81.040.10 : Raw materials and raw glass |
| Number of pages | 8 |
| Replace | DIN 52312-7 (1988-12) |
| Cross references | ISO 7884-7 (1987-12), IDT |
| Set | MYSTD-20STD |
| Year | 1990 |
| Document history | DIN ISO 7884-7 (1998-02) |
| Country | Germany |
| Keyword | DIN ISO 7884;7884 |