The square bottom open pocket is based on the paper plastic composite bag or kraft paper bag. The bottom of the bag is aligned, folded and glued. It is rectangular after filling. Sticking a firm bottom cover paper can increase the strength. The design of square bottom makes the bag body stable and will not collapse when filling materials. It has the characteristics of good stability, environmental protection and easy stacking. It is mainly used in powder products such as chemical powder and feed. It is also a very common packaging product in the packaging industry.
Product application: it is widely used in the outer packaging of resin, building materials, mines, activated carbon, engineering plastics, food, seeds, pigments, chemical fertilizer, dry powder mortar, building materials and other products.
Performance parameters of square bottom bag:
Surface material: kraft paper or woven material
Inner material: kraft paper or woven material
Additional materials: PP and PE moisture-proof films can be added
1. Brand new material: the inner layer is PP or PE woven cloth, the outer layer is composite kraft paper, and the middle is composite material. This product has strong puncture and tear resistance
2. Elegant appearance: it is made of yellow or white kraft paper, and provides multi-color color printing, offset printing and general printing, with beautiful and exquisite appearance
3. Good skid resistance: kraft paper with skid resistance of more than 25 is selected for production, which is easy to stack, store and transport
4. Sunscreen and anti-corrosion: strong and durable, not easy to decay
Bag making width: 180-705mm
Printing color: 1-8
Bag length: 300-1500mm
Number of material layers: 1-4
Bag width: 70-300mm
M-type hem width: 0-200mm
Materials: all kinds of kraft paper, paper plastic composite cloth, lined with plastic film and aluminum film
The details can be customized according to customer requirements.