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DIN 52251-3:1987-04
Indirect methods of determining the frost resistance of roofing tiles; determination of coefficient of impregnation
Summary
This standard defines an direct test method (determination of coefficient of impregnation) for the determination of the frost resistance of burnt-clay roofing tiles in the internal control.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 04/01/1987 |
| Page Count | 2 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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