September 15, 2026
Category

Testing

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Cotton GSM chart for fabric weight and common uses

Use this cotton GSM chart to compare common cotton fabric weights, end uses, oz/yd² conversion, and practical testing limits. The guide also explains why GSM should be read with weave, yarn, finishing, shrinkage, and…

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GSM fabric meaning and how to read fabric weight

GSM tells buyers, designers, and testers how much one square meter of fabric weighs. This guide explains the meaning, calculation, limits, and sourcing use of fabric GSM.

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Martindale double rubs explained for upholstery fabric testing

Martindale double rubs is a common search phrase, but it combines two different abrasion-rating systems. This guide explains Martindale cycles, Wyzenbeek double rubs, ACT guideline thresholds, and the limits of using rub counts as…