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DIN ISO 7258:1987-02
Aerospace; polytetrafluoroethylene (PTFE) tubing for aerospace applications; methods for the determination of the density and relative density; identical with ISO 7258, edition 1984More info
This international standard specifies three methods for the determination of the density and relative desity of polytetrafluoroethylene (PTFE) tubing used in the manufacture of medium and high pressure, high temperature, PTFE hose assemblies for aerospace applications: method A: density gradient column method without a preconditioning heating and cooling cycle. Method B: displacement of water and determination of change of weight method. Method C: density gradient column method with a preconditioning heating and cooling cycle.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 23.040.70 : Hoses and hose assemblies 49.080 : Aerospace fluid systems and components |
| Number of pages | 8 |
| Replace | DIN ISO 7258 (1985-12) |
| Cross references | ISO 7258 (1984-06), IDT |
| Set | MYSTD-20STD |
| Year | 1980 |
| Document history | DIN ISO 7258 (1987-02) |
| Country | Germany |
| Keyword | 7258 |