Proportional Caliper Device

This test is to determine the percentage of flat particles (flake), elongated particles (needles), or cover both aggregates, as measured by the ratio of width to thickness, the amount of ductility and the ratio of length to thickness is achieved. This is achieved by the use of perforations on the device with a ratio of 1:2, 1:3, 1:4 and 1:5 the device includes a one-piece arm made of CK45 with hard chrome plating which cut by wire cut machine the plate under it made with CK45 with hard chrome plating too and dimension of 8×16".

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