What is GSM?

GSM means grams per square meter (g/m2). It refers to weights in term of grams for 1 meter wide by 1 meter long. It is a unit commonly used to measure the weight and quality of papers. Generally Speaking, the larger GSM is, the heavier and thicker the paper is. As GSM requires a standardized size for measurement, it can help make an easy comparison between two types of papers. Therefore, both print buyers and print sellers can have a clear understanding about the quality of papers being ordered.
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