Each analysis is accompanied by a report with comments summing up all the observations illustrated by photos of the noteworthy zones, measurements of weight and permeability, and the media strength and elongation graphs, together with photos of the microscopic observations made.
A synthetic view of the results of the analysis
The results of the analysis are set out in a summary table, which makes it easy to follow changes in the characteristics of a given set of bags over time.
Analysis ref. (date) | B002/0501 (Jan-2005) | C023/0601 (Jan-2006) | New felt |
Permeability in l/sq.dm/min in accordance with DIN 53887 - as it stands - after cleaning - after suction |
24 65 85 |
18 54 80 |
120 |
Weight in g/sq. m in accordance with DIN 53854 - as it stands - after cleaning - after suction |
778 705 689 |
786 695 678 |
650 |
Strength in daN/5cm in accordance with DIN 53857 - warp direction - weft direction |
76 80 |
71 74 |
70 100 |
Elongation as a % in accordance with DIN 53857 - warp direction - weft direction |
11.5 34.3 |
12.1 33.9 |
8 35 |
Service life (assembly in Jan-2004) | 12 months | 24 months |
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