If you want to know how to check quality of granite, you should first know that the primary minerals of granite slabs, which are igneous rocks containing grains, are quartz and feldspar, with traces of mica, amphiboles, and other minerals. Although it typically comes in chunks, it can also be delivered on-site as tile or a slab. Flooring, steps, facing, countertops, table tops, wall dados, door/window sill jamb, skirting, kitchen platforms, etc. are all made out of granite slabs.
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Granite quality grades typically varies greatly from location to location, and even within the same location, there can be substantial differences in the shading, pattern, or design of the slab.
How to check granite quality?
Here are some of the best methods for evaluating granite quality check:
Granite slabs should be either square, rectangular, or customised to the needs of the customer. The dimension must match the actual dimensions, with a tolerance of no more than 1 mm for length, 15% of the actual thickness for width, and 1 mm for thickness. Any type of construction job requires a minimum thickness of 15 to 20 mm.
It should have a consistent thickness, homogeneous crystalline texture, and colour.
It should be solid, dense, and firm. By crushing the stone with a hard item, the hardness can be determined; if stone pieces come off the slab, the slab should be rejected.
It should be examined for cutting and polishing quality, with one face properly polished and edges cut by hand or by a machine that are completely straight and at a right angle.
Granite stone slabs should have perfectly straight diagonals that are the same length.
The top layer ought to be consistent, straight, and free from cavities, holes, and broken edges. The corner must be clean and precise.
Checking the colour of anything involves rubbing it with a cloth that has been dipped in kerosene or petrol; if the fabric turns coloured, artificial colour must be present. It has to be rejected.
Three to four drops of lemon juice (citric acid) should be applied to the granite surface to test for porosity.
Now you know how to check granite stone quality.
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How to Check Quality of Granite?
Isha
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2023-06-30T19:37:46+00:00 2023-12-14T14:28:29+00:00Comment
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