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ERICHSEN CUPPING TESTING MACHINE
This Machine is designed to reveal the cupping qualities of metal sheets and strips . It can be used for testing the adhesion, elasticity and porosity of coats of paints or varnish by way of comparison.
The dimensions and tolerances of various machine parts and the test requirements conform to IS: 1956-1974.
The appearance of the material after fracture gives an indication of the grain structure of the material and also of its constitution to same extent.
L.C. of micrometer device is 0.01mm