Block bottom valve bags are made of 100% polypropylene, sealed bottom and mouth by hot air sealing, suitable for packing raw material, feed- ingredients, fertilizers, chemicals (powder) and cement.
Another layer of kraft paper or PE coating can be added inside of the bag.
Produce with European technology, block bottom valve bag is a superior type of product in comparison with traditional packaging products with prominent features as follows:
- High strength, no breakage and spillage of goods
- Micro perforation with good air permeability
- Better printing quality and design
- Gentle dimension, storage space saving
- Competitive cost