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CAT NO: DIDACTICNLE-Export-480001
Color Fastness Tester For Testing Lab Workshop.
Color Fastness Tester - For Testing Lab
The Color Fastness Tester is constructed on a rigid fabricated frame.
Rubbing is carried out by rotating a felt pad against a test specimen
placed on an anvil. The felt pad is held in a rotating holder with the
help of three sharp needles and can be raised and lowered with the help
of a lever to bring it in contact with the test specimen.
Motion
to the felt pad is given by an AC synchronous motor and belt-pulley
arrangement. The sleeve in which the rod carrying the rotating holder
slides is mounted on two ball bearings to give it a long and
trouble-free running life. Weights are provided to apply the specified
forces on felt pads for both dry and wet rubbing.The test specimens are
normally kept on a flat platform under the rotating felt pad. However,
for testing of finished products, provision has been made to replace the
flat platform by a small circular anvil that can accommodate various
finished products like shoulders of garments and shoes.
A
four-digit electronic counter with re-set counts the number of abrading
rubs of the felt pad. The counter operates only when the felt pad is
lowered on to the test specimen.The tester is finished in shore blue
metallic painting and bright chromium or zinc plating to give it a
corrosion resistant finish.
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