This is a new and innovative packaging technology, without any adhesives or stitching, just through hot air welding, the tubular woven fabric can become a finished bag within several minutes.
The step of the bag processing begins from a coated pp woven fabric, and then, cutting, folding the bottom, welding with layers, bag finishing, totally by one machine, AD* STARKON
This bag is commonly used for the automatic packaging, transportation, and storage of cement, fertilizer, granulates, animal feed, and many other dry bulk products. The bag is stronger than paper, quick to fill, and has a good moisture barrier; all qualities that have contributed to the sharp increase in the use of this packaging type.
The loading is from 25 to 50kg, and printing can be offset, flexo, and also gravure print. On both sides.
Block Bottom Bags are perforated with a star micro-perforation system which allows air to come out holding the cement or other material without allowing any seepage.
No. | Item | Specification |
1 | Shape | tubular or back seam |
2 | Length | 300mm to 1200mm |
3 | width | 39mm to 700mm |
4 | Top | hot air welded with filling valve |
5 | Bottom | hot air welded no stitching, no hole |
6 | Printing type | Off-set printing or Gravure printing on one or two sides, up to 8 colors |
7 | Mesh size | 8*8, 10*10,12*12, |
8 | Bag weight | 50g to 90g |
9 | Air permeability | 20 to 160 |
10 | Color | white, yellow, blue, or customized |
11 | Fabric weight | 58g/m2 to 220g/m2 |
12 | Fabric treatment | anti-slip or laminated or plain |
13 | PE lamination | 14g/m2 to 30g/m2 |
14 | Application | For packing the cement, stock feed, animal food, pet food, rice, chemical, etc |
15 | Inside liner | Can be combined with kraft paper and into a two layers bag |
16 | Characteristics | auto-filling, self-sealing, easy for pallet pack, save warehouse space, cost-effective compared with kraft paper bag |
17 | Material | 100% original polypropylene |
18 | Optional choice | back seamed, combined with kraft paper |
19 | Package | about 500pcs for one bale or 5000pcs one wooden pallet |
20 | Delivery Time | within 25-30 days for one 40H container |
As a professional manufacturer of the Block Bottom Valve packaging bag, we make our bags:
1. In 100% virgin raw material
2. Eco-friendly ink with the good fastness and bright colors.
3. Top grade machine to make sure a strong break-resistance, peel-resistance, stable hot air welding bag, make sure the utmost protection of your materials.
4. From tape extruding to fabric weaving to laminating and printing, to the final bag making, we have the strict inspection and testing to make sure a high-quality and durable bag for end users.
40kg pp cement bag - Standard Specification
1. Factory produce factory export.
2. Engaged in this industry since 1983, with more than 39 years of experience
3. Top-grade equipment has been introduced since 2009 to ensure higher quality and reduce the overall cost for customers.
4. Occupied a total of 160,000m2 of production area and can make sure an annual output of more than 500 million bags.
5. Professional design team, well-cooperated cylinder workshop, with sufficient experience in handling more than 6,000 kinds of bags, to meet the unique needs of customers
6. Good reputation, we aim at a long and stable relationship with our valuable customers.
7. Professional Services
*pre-sale service
Any of your questions will be taken seriously and offer you reference opinions.
* In-sale service
Make you posted on the production progress with on-site follow-up for each production step.
* After-sales service
We are responsible for EACH bag we produced. Feel free to contact us in case any questions you may have. We will answer you timely, and cooperate with you positively.
Packaging:
Bale packing: 500,1000pcs/bale or customized. Free of charge.