About polypropylene bag

2020年09月25日

  

Polypropylene bags are more accurately referred to as “woven” polypropylene (PP) bags. Manufacturing the woven fabric used to make PP bags includes:

  1. Melting the raw polypropylene pellets.
  2. Extruding the melted PP pellets into flat thin sheets.
  3. Cutting the extruded PP sheets into thin tapes.
  4. Rolling the long PP tapes onto bobbins.
  5. Weaving the PP fabric from the bobbins loaded on the circular or flat weaving loom . 

Weaving is a method by many threads or tapes woven in two directions (warp and weft), to form a fabric for plastic industry needs.

In the plastic woven industry, with a plastic film is drawn into filaments, woven into fabric sheet or cloth. Woven PP fabric can be cut and sewn into bulk bags, small PP sand bags, tarps and shopping bags.

Benefits of Polypropylene Woven Bags

  • 100% reusable and durable
  • Easy to clean and anti bacterial
  • Light in weight with lowest density
  • Breathable or water proof with a laminated film
  • Easy to produce, assembly and an economic material
  • Excellent resistance to stress and high resistant to cracking
  • High operational temperatures with a melting point of 166°C
  • Resistant to most alkalis and acid
  • Non Toxic
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  • What thread can be use for the polypropylene woven bags 
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  • Talking about woven bags the spun polyester bag sewing thread is motsly commonly use on the bags , It has the following characteristics: high strength, continuous thread, high temperature resistance, corrosion resistance, long-lasting preservation.compared with polypropylene yarn . 
 
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