Question: what is the difference between denier and gsm?
Answer: Denier is a measurement of the density or thickness of the individual fibres (threads) within the material, with the standard mass density being 1 gram to 9,000 meters of yarn. ... ¤ GSM (grams per square metre) – this refers to the overall weight of the outer fabric and as a guide is usually 310 gsm in a 1200 denier rug.