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CAT NO: DIDACTICNLE-Export-390011
Martindale Abrasion Tester For Testing Lab Workshop.
Martindale Abrasion Tester -
Determination of resistance of any textile material to abrasion is
usually carried out by abrading the textile material under specified
conditions against a standard abradant. Although plane abrasion of
surface does not cover all aspects of strains that are important in
determining service life, there are occasions when such a test gives
useful information.
One of the standard equipment used for this determination is the Martindale Abrasion Tester.
This apparatus gives a controlled amount of abrasion between material
surfaces at comparatively low pressures in continuously changing
direction. Circular specimens of textile material are abraded under
known pressures under a motion, which is the resultant of two simple
harmonic motions at right angle to each other. The resistance to
abrasion is estimated by visual appearance or by finding the loss in
mass of the test specimens.
Technical Data
Maximum number of test specimens that can be tested at a time : Four
Speed of outer pegs : 47.5 ± 2 rpm
Ratio of speeds of outer pegs to central peg : 32 / 30
Stroke of pegs : 60.5 mm
Working area of specimen holder : 6.45 cm²
Pressure on test specimens : 3, 6, 9, and 12 KN/m²
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