The quality requirements of gingham:
1 The fabric is even, the cloth edge is straight, the cloth surface is flat and mat-like, no stains, fluffing, creases, wrinkles, etc.;
2 warp, weft density, area weight, cloth width and roll length are in line with the standard;
3 is wound on a firm paper core and wound up neatly;
4 rapid, good resin permeability;
The dry and wet mechanical strength of the laminate made of 5 fabrics should meet the requirements.