Filling a big bag with powdered material or fine product without dispersion requires a closed loading system that connects directly to a hopper or tube. This big bag with a loading valve and flat bottom—also known as a spout super sack or FIBC with filling valve—is manufactured by Fortemo from professional-grade woven polypropylene with an inner liner, making it the standard format for automated bulk packaging processes in plants or agro-industries.
Key Benefits
- Clean and metered loading: Top valve compatible with hoppers, discharge tubes, and automated filling spouts, allowing powders, flours, binders, or grains to be packaged without loss or dispersion.
- Integrated inner liner: Additional plastic barrier that isolates the content from the outer fabric and blocks the passage of environmental moisture, dust, and cross-contamination.
- Stable stacking: Flat bottom that keeps the bag firm and cubic once filled, facilitating stacking in columns on pallets without risk of tipping.
- UV-treated virgin polypropylene: Fabric designed to withstand prolonged Caribbean solar radiation, maintaining structural strength in warehouses with translucent roofs or open-air operations.
- Careful Fortemo manufacturing: Reinforced industrial seams in critical areas and handles sized with a 5:1 safety factor for safe lifting with a crane or forklift.
Applications and typical uses
- Packaging of gray and white cement, dry mortar, plaster, and binders in mixing plants.
- Filling of grains, flours, animal feed, and animal food raw materials.
- Handling of granular fertilizers and agricultural solutions in bulk presentation.
- Automated packaging operations where bag-to-hopper connection is necessary.
Quality and durability
The combination of virgin fabric, inner liner, and UV additive is the technical standard that separates a premium big bag from a generic low-cost one in the Dominican market. Fortemo reinforces the seams of the handles and the base, the points where a generic bag first fails when handling 1500 kg loads with a crane or forklift. For packaging products that will be transported multiple times or stored indoors for months, the difference is noticeable from the first use cycle.
The internal liner isolates the contents from the outer fabric, which lets you use this sack with animal feed raw material, balanced feed, grain and flour normally. For finished human food requiring specific food-contact certification, validate the liner grade with the lot's data sheet, since regulatory requirements depend on the type of product. For industrial, agro-industrial and farming use, there is no restriction.
The spout lets you connect the sack directly to a hopper, discharge pipe or automated system, which changes three things on the line: filling is faster (no need to hold the mouth open), dust does not disperse into the room (better for the operator and the product), and dosing is more precise. In repetitive packing operations it's the difference between a manual process and one that can be automated.
Virgin polypropylene is treated with UV additives that delay degradation from solar radiation. For storage under a roof, in industrial buildings or in covered yards, it keeps structural strength for months. For prolonged direct Caribbean sun exposure, the sack still performs within its intended use range, but as with any polymer, it's worth keeping it sheltered when not in operation to extend product service life.
Still have questions?
Ask us and we will gladly help you with whatever you need.
| Protection | Yes (high) |
|---|---|
| Color | White fabric and black handles |
| Big bag dimensions | 90x90x110 cm (35.4x35.4x43.3 in) |
| Construction type | U-Panel |
| Base type | Flat base |
| Top opening type | Loading valve |
| Lifting loop type | Cross corner loops, 40 cm (16 in) free length |
| Document pocket | Yes |
| Safety factor (SF) | 5:1 |
| Safe working load (SWL) | 1500 kg (3306.9 lb) |
| Valve dimensions | 40x50 cm (15.7x19.7 in) |
| Liner material | LLDPE (linear low-density polyethylene) |
| Liner finish | Sewn to the outer layer |
| Valve style | Cross-shaped opening / star closure |
| Liner | Yes |
| Package: Width | 110.0 cm (43.31 in) |
|---|---|
| Package: Height | 42.0 cm (16.54 in) |
| Package: Depth | 55.0 cm (21.65 in) |
| Package: Weight | 46.5 kg |
Payment & Security
