Topic
Fabric weight per unit area: measurement, calculation and control.
5 notes
How to analyse a woven fabric sample: count ends and picks per inch, identify the weave, find warp and weft counts from yarn removed from the fabric, measure crimp and GSM, and write the construction in standard form.
A practical reference of typical GSM ranges for knitted and woven apparel fabrics, what moves a fabric up or down the range, and how to use the chart when reviewing a specification.
GSM is the weight of one square meter of fabric in grams. Learn how to measure it with a round cutter, calculate it from any sample size, estimate it from construction, and control it in production.
How to convert fabric weight between grams per square meter and ounces per square yard, where the 33.906 factor comes from, and why linear weight is a different number.
Single jersey is the basic weft-knit fabric behind most T-shirts. How it is made, the settings that control its weight and shrinkage, its typical problems (curling, spirality, laddering) and how to specify it.