A form fit liner is a customized inner liner made to match the shape of the outer FIBC bag. Unlike a simple loose liner, it is shaped according to the bag body, top filling structure and bottom discharge design. This helps the liner stay in position during filling, lifting and unloading.
The liner can help protect packed materials from moisture, dust, dirt and contamination. It also reduces product residue in corners and improves compatibility with filling equipment. For bulk materials such as plastic resin, food ingredients, chemicals, minerals and fine powders, a form-fit liner can make the packaging cleaner, more stable and easier to handle.
Different liner structures are available, including standard PE form fit liner, baffled liner, suspended liner and aluminum foil liner. Material, thickness, size, spout dimensions and barrier performance can be customized according to the product requirement.
Key Features
- Designed for 1000kg FIBC jumbo bulk bags
- Form-fit structure follows the shape of the outer bag
- Helps reduce liner twisting, tearing and folding
- Improves compatibility with filling and discharge equipment
- Protects products from moisture, dust and contamination
- Suitable for powders, granules, flakes and resin materials
- The filling spout and discharge spout can be customized
- PE, barrier film, anti-static or aluminum liner options available
Why Choose a Form Fit Liner Bag
A form fit liner can improve the performance of a standard FIBC bulk bag. Because it is shaped to match the bag, it sits more securely inside the outer woven bag and reduces wrinkles, trapped corners and product residue.
For manufacturers using filling machines or discharge equipment, this design supports smoother operation and cleaner handling. For materials that require stronger protection, barrier film or aluminum foil liners can be selected to improve moisture, oxygen and UV resistance.
Customization Options
- Liner size and shape
- Suitable FIBC capacity: 500kg to 2000kg
- Film material and thickness
- Top filling spout size
- Bottom discharge spout size
- Baffled liner structure
- Suspended liner structure
- Aluminum foil barrier liner
- Anti-static or conductive liner
- Transparent or colored liner
- Custom packing method
