Quality parameters of bag fabrics
Bag fabric quality parameters 600x600D:
PVC adhesive thickness: 0.56 – 0.58mm (56 – 58C). +- 0.03mm (+- 3C).
Flat bottom adhesive, twill adhesive, pearl adhesive.
Stitching density: not less than 6.2 stitches per inch.
PU adhesive thickness: 0.44 – 0.46mm (44 – 46C). +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
600x300D:
PVC adhesive thickness: 0.53 – 0.55mm (53 – 55C). +- 0.03mm (+- 3C).
Stitching density: not less than 6 stitches per inch.
PU adhesive thickness: 0.42 – 0.44mm (42 – 44C). +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
420D:
PVC adhesive thickness: 0.36 – 0.38mm (36 – 38C). +- 0.03mm (+- 3C).
0.38 – 0.41mm (38 – 41C) +-0.04mm (+- 4C)
PU adhesive thickness: 0.17 – 0.19mm (17 – 19C). +- 0.03mm (+- 3C).
Stitching density: not less than 8.6 stitches per inch.
600D Nylon, Polyester Woven Fabric:
PVC adhesive thickness: 0.56 – 0.58mm (56 – 58C). +- 0.03mm (+- 3C).
PU adhesive thickness: 0.44 – 0.46mm (44 – 46C). +- 0.03mm (+- 3C).
Stitching density: not less than 8.6 stitches per inch.
420D Nylon, Polyester Woven Fabric:
PVC adhesive thickness: 0.36 – 0.38mm +- 0.03mm (+- 3C).
PU adhesive thickness: 0.20 – 0.22mm (20 – 22C). +- 0.02mm (+- 2C).
Stitching density: not less than 8.6 stitches per inch.
840D jacquard knitted fabric:
PVC adhesive thickness: 0.39 – 0.41mm (39 – 41C). +- 0.03mm (+- 3C).
PU adhesive thickness: 0.18 – 0.20mm (18 – 20C). +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
Velvet (peach skin or khaki) fabric:
PVC adhesive thickness: 0.54 – 0.57mm (54 – 57C). +- 0.03mm (+- 3C).
PU adhesive thickness: 0.18 – 0.20mm (18 – 20C) +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
Huayao cloth:
PVC adhesive thickness: 0.75 – 78mm (75 – 78). +- 0.02mm (+- 2C).
Stitching density: not less than 6.2 stitches per inch.
420D inner lining: 0.18mm (18C).
210D inner lining: 0.18mm (18C).
190D inner lining: 0.1mm (10C).
PVC adhesive thickness: 0.56 – 0.58mm (56 – 58C). +- 0.03mm (+- 3C).
Flat bottom adhesive, twill adhesive, pearl adhesive.
Stitching density: not less than 6.2 stitches per inch.
PU adhesive thickness: 0.44 – 0.46mm (44 – 46C). +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
600x300D:
PVC adhesive thickness: 0.53 – 0.55mm (53 – 55C). +- 0.03mm (+- 3C).
Stitching density: not less than 6 stitches per inch.
PU adhesive thickness: 0.42 – 0.44mm (42 – 44C). +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
420D:
PVC adhesive thickness: 0.36 – 0.38mm (36 – 38C). +- 0.03mm (+- 3C).
0.38 – 0.41mm (38 – 41C) +-0.04mm (+- 4C)
PU adhesive thickness: 0.17 – 0.19mm (17 – 19C). +- 0.03mm (+- 3C).
Stitching density: not less than 8.6 stitches per inch.
600D Nylon, Polyester Woven Fabric:
PVC adhesive thickness: 0.56 – 0.58mm (56 – 58C). +- 0.03mm (+- 3C).
PU adhesive thickness: 0.44 – 0.46mm (44 – 46C). +- 0.03mm (+- 3C).
Stitching density: not less than 8.6 stitches per inch.
420D Nylon, Polyester Woven Fabric:
PVC adhesive thickness: 0.36 – 0.38mm +- 0.03mm (+- 3C).
PU adhesive thickness: 0.20 – 0.22mm (20 – 22C). +- 0.02mm (+- 2C).
Stitching density: not less than 8.6 stitches per inch.
840D jacquard knitted fabric:
PVC adhesive thickness: 0.39 – 0.41mm (39 – 41C). +- 0.03mm (+- 3C).
PU adhesive thickness: 0.18 – 0.20mm (18 – 20C). +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
Velvet (peach skin or khaki) fabric:
PVC adhesive thickness: 0.54 – 0.57mm (54 – 57C). +- 0.03mm (+- 3C).
PU adhesive thickness: 0.18 – 0.20mm (18 – 20C) +- 0.03mm (+- 3C).
Stitching density: not less than 6.2 stitches per inch.
Huayao cloth:
PVC adhesive thickness: 0.75 – 78mm (75 – 78). +- 0.02mm (+- 2C).
Stitching density: not less than 6.2 stitches per inch.
420D inner lining: 0.18mm (18C).
210D inner lining: 0.18mm (18C).
190D inner lining: 0.1mm (10C).