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Description :The instruments is designed for evaluating stiffness and resilient qualities of paper, plastics, cardboard, light metallic sheets, foil and other flexible materialhaving comparatively strong bending resistance. The 38 mm wide specimen clamped between a vice on a balanced pendulum supported by antifriction bearing and lower end clamp on a rotating disc then Specimen is bent by 15 degree at a constant speed and when it becomes 50 mm in load length, bending moment required to bent specimen is measured in gcm unit and the stiffness of the material is determined rotation are clockwise and counter clockwise, so that stiffness can be measured in both the directions.
Measuring range:
0-5000 Stiffness Units.
Extra Option:
Triple shear cutter for sample preparation.
Features :
Specification :
Test Range
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: 0-10,000 stiffness unit.
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Test Material
Thickness |
: 0.004 to 1/8 of an inch (if within load range of instrument)
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Pendulum
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: Two Directional
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Specimen Size
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: 38 X 70 mm (15 X 2.75 inch)
for bending distance of 5 cm. 38 X 38 mm (15 X 15 inch) for bending distance of 1 cm. |
Load
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: n5000 unit at 15 degree (standard bending) 10000 unit at 7.5 degree (standard bending)
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Roll Diameter
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: 10.5 mm and 11 mm factory calibrated
accuracy of ±1% full scale in each range. |
Drive
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: by small gear motor rated for 220V AC, 2 rpm,
50 Hz electrical components sealed in housing. |
The Tester conforms to following
international Standards: |
: TAPPI 489 m-69
ASTM D-747-61-T JIS P-8185 |
The instrument is provided with accessories, including a shear for cutting material test specimens, additional weight for extending the test range and 10 unit compensator weight for 0-10 stiffness unit.
Shipping Data
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Gross weight
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