.

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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