ASTM D7854 Coated Fabric De Mattia Flex Tester
Standards
BS 3424 P9. ISO 7854
Principle
Fold a strip of coated fabric two times with their long edges stacked to form a 125 mm × 12.5 mm strip. Install the folded strip between a pair of flat clamps, one of the clamps can be reciprocated, causing the folded specimen to bend outward five times per second. This high-speed folding of the sample continues until the predetermined number of cycles or sample is significantly damaged.
Parameters
|
Item |
Specification |
|
Fixtures |
6 Group |
|
Test Speed |
5.0Hz±0.2Hz(300±12r/min) |
|
Fixture Width |
20mm |
|
Test track |
Vertical reciprocating motion |
|
Test stroke |
57mm |
|
Fixture minimum space |
13mm±0.5mm |
|
Fixture max space |
70mm±1mm |
|
Specimen size |
37.5mmx125mm |
|
Specimen quantity |
6 pcs, wrap and horizontal each 3 pcs |
|
Dimension(WxDxH) |
36x35x50cm |
|
Weight |
≈45Kg |
|
Power supply |
1∮ AC 220V 50Hz 3A |
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