Common specifications and bag type classification of woven bags

Woven Polypropylene Bags and Sacks (also known as pp woven bags or wpp bags) are the most durable plastic packaging material ever invented. They are commonly used for packing numerous dry goods and are also suitable for storage and transportation. They are both durable and cost effective.

1. Agricultural Packaging Bags: For use with chaff, farm, feed, fertilizer, flour, grain, maize, rice, seed, and other agricultural products.
   Industrial Packaging Bags: For cement, chemicals, coal, firewood, pet food, garbage, salt, shipping, and other similar products.
   There are also some typical bags like: sandbags, bopp laminated feed bags, paper laminated polypropylene bags, polypropylene tube for earthbags, and ventilated potatoes bags, etc.

Here are some specifications you will find for the pp woven bags:
1. Shape: tubular or can be back seam bag
2. Length: 300mm to 1200mm
3. Width: 300mm to 700mm
4. Top: hemmed or open mouth with cool cut/ heat cut or with valve
5. Bottom: single fold & single stitch, single fold & double stitch, double fold & single stitch, double fold & double stitch. Or with block bottom.
6. Printing type: Off set print or flexo print on plain fabric. Gravure printing on BOPP laminated fabric. One or two sides.
7. Weaving density: 10*10,12*12,14*14
8. Bag weight: As per customers’ request.
9. Air permeability: Normally need by coated or laminated bag, from 20 to 160 or as customers’ request.
10. Color: white, yellow, blue … or customized
11. Fabric weight: 55g/m2 to 220g/m2
12. Fabric treatment: anti-slip or laminated or plain and also can make ventilation holes for some Root vegetables like potatoes, onions and garlic etc…
13. PE lamination: 14g/m2 to 30g/m2
14. UV: As customers’ request.
15. Inside liner: With 100% virgin PE liner or not

Some other feature options:
1. Bag can with handle(s): D cut handle, plastic handle or customized.
2. Bag can with Easy-open top, in paper or polypropylene fabric
3. Bag can make Micro-pore or bigger ventilation holes for a breathable function.
4. Bag can with side gusset in different width as buyers’ request.
5. Bag can with product window to let the inside materials visible.
6. Bag can be combined with Kraft paper or laminated with paper/ opp film/ Aluminum plastic film.
7. Bag can with a hand-made valve or ad valve
8. Bag can with a hand-made block bottom or ad block bottom

We understand that each consumer is unique, so custom packaging is perfectly acceptable. Our packaging team will consult with you and do everything possible to meet your needs.

Please let us know if you’re interested in learning more about this topic. We are always prepared to provide you with outstanding service and high-quality bags.