Longgang Dayou Packing Co., Ltd.

How to test the density of canvas

Time:2019/9/4Author:adminClick: 1628
The fabric density analysis mirror has a scale length of 5cm. Under the analysis lens, a long strip of glass is engraved with a red line. When analyzing the density of the fabric, move the lens to align the red line on the glass sheet with the red line on the scale. Between the root yarns, starting from this