Woven bags
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- 产品描述
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Classification Dimension
Type/Content
Key Characteristics/Parameters
Classification by Material
PP Woven Bag
Temperature resistance -20℃~120℃, high tensile strength, accounting for more than 80% of the domestic market
PE Woven Bag
Good flexibility, strong impact resistance, mostly used in agriculture and flood control
Nylon/Polyester Woven Bag
UV-resistant, wear-resistant, suitable for food-grade or long-term outdoor use
Classification by Seaming Method
Bottom-seamed Bag
Bottom Suture (seamed at the bottom), load-bearing up to 50kg
Side and Bottom-seamed Bag
Side + bottom Suture (seamed at side and bottom), stronger leak-proof performance
Production Process
Process Step
Technical Points
Raw Material Preparation
PP/PE + Recycled Material (≤40%) + Filling Masterbatch (10%~15%)
The proportion of recycled material affects cost and strength
Wire Drawing
Melting and Extrusion → Cooling → Stretching into Flat Yarn
Draw ratio 3.1~5.1, determining the strength of flat yarn
Weaving and Printing & Cutting
Circular Loom Weaving → Printing → Cutting and Sewing
Weaving Density 36×36 roots/10cm², printing should comply with GB/T 8946 standard
Application Field
Specific Use
Typical Product Example
Industry and Agriculture
Cement Bag (annual usage 6 billion pieces), Feed Bag, Flood Control Sandbag
Cement bag load-bearing 25kg, flood control bag size 80×45cm
Food and Logistics
Rice/Flour Packaging, Logistics Freight Bag
Food-grade woven bags need to pass FDA certification
Innovative Use
Planting Container, Temporary Building Coverage Material
Modified planting bags need to be perforated for ventilation, matched with drip irrigation system
Woven bags
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