China's container bag standard GB/T10454-2000 stipulates the classification structure, technical requirements and inspection requirements. Among them, high-standard technical specifications ensure the quality of China's bulk bags. The specific technical requirements are as follows:

▲ Size

● Round container bag and Square container bag: the diameter is between (800-1300) mm, and the volume is between (0.5-2.3) m³.

▲Structural Technical Requirements

● The strength of the waistband should reach more than two times the strength of the base fabric.

● The waistband must be sewn on the outside of the sling to increase the strength of the sling .

● Bags with side seams must be sewn under any sling, to increase the strength of the side seams.

▲ Sewing technology requirements

● The tensile strength of the side seam must reach more than 67% of the strength of the base fabric.

● The tensile strength of the bottom seam must reach more than 42% of the strength of the base fabric.

● The sewing is required to be straight, with no broken and floating thread , no hanging stitch, and no less than three stitches at the starting and dropping positions.

● The length of the suspenders should be equal, and the seams should be even and straight.

● The container bags are required to be straight, with no obvious size problems, no obvious defects, no obvious stains on the surface, clear printed patterns on the bag body, and accurate positions.

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