Sandstone is a sedimentary rock found on the earth’s crust. These sandstones are rich in quarts and/or feldspar which are quite common in the market. Sandstone is commonly used in luxurious homes and buildings due to its natural beauty and elegance. Apart from its stunning features, most (if not, all) laboratories in the world use sandstone floors because of its capability to withstand different types of chemicals.

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The GSM test is a measurement of Grams per Square Meter, and is one of the most important methods of determining the weights of knitting fabric, non-woven fabric or paper cardboard. Woven fabric, fabric with coating, or laminated fabrics are not as commonly tested using the GSM method, therefore the customer would need to give unique specification prior to GSM testing.



