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DIN ISO 9385:1991-01
Glass and glass-ceramics; Knoop hardness test; identical with ISO 9385:1990
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Summary
The standard describes the conditions for determining the Knoop hardness of glass and glass ceramics. The Knoop hardness characterizes the behaviour of these materials conerning a permanent change of the surface after identitation of a solid material.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 01/01/1991 |
| Page Count | 4 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/01/1991
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