Here "DD Fiberglass" shows fiberglass mesh weaving defects in appearance. Fiberglass mesh appearance defects also influence fiberglass quanlity a lot. Let us see what defects appear in fiberglass mesh fabrics.
Broken end;
Loose, tight end;
Mixed end, mixed filling;
include double ends, wrong tex number, wrong plies number, misdraw;
Broken picks, sloughed-off weft;
Double pick;
Grin;
used less ends
Filling bar;
used more ends
Abutting joint;
Hole;
Break out;
Foreign matter;
Spot;
Defective selvedge;
Flying thread;
Felter;
Distortion.
These 16 defects are common fiberglass mesh defects, we should be careful in each production process to assure the quanlity.