
Develops and produces foldable, reusable bulk goods covers (seal-IT) for Octabins, wire mesh boxes and Gaylords.

FreeLeaves GmbH
Bad OeynhausenNew on Amplifa
About FreeLeaves / seal-IT
FreeLeaves GmbH, based in Bad Oeynhausen, develops and produces bulk goods covers for plastic granulates and other bulk materials under the seal-IT brand. The covers fit universally on Octabins, wire mesh boxes and Gaylords of various sizes and shapes and protect the contents from dust, foreign particles, mixing and moisture. They are foldable, maintenance-free, reusable and equipped with up to three openings for suction pipes (diameter 30–80 mm) for multi-machine feeding. Optionally, the covers are grounded against static charge, fitted with a replaceable fleece for moisture absorption, or equipped with positions for sensors such as temperature, fill level and humidity measurement. A compartment for the material accompanying card and a crystal-clear center section for visual inspection are part of the equipment. Production takes place in Germany, with worldwide delivery. Customers include plastics processors such as Alutrim Europe, Heinze Kunststofftechnik, ProMinent, 3P Präzisions Plastic Produkte and TKT Kunststofftechnik.
- Site
- Bad Oeynhausen
- Processes
- Manufacture of bulk goods covers (seal-IT covers) for Octabins, wire mesh boxes and Gaylords, Individualization of the cover: up to three openings for suction pipes for multi-machine feeding, Bulk goods covers (seal-IT cover) for Octabins, wire mesh boxes and Gaylords, Individual adaptation to container shape and size, Up to three openings for suction pipes (30–80 mm) for multi-machine feeding, Version grounded against static charge, Optional replaceable fleece for moisture absorption, Positions for sensors (temperature, fill level, humidity) and monitoring kit
- Materials
- Various Materials, Replaceable Fleece, Conductive Version
- Industries
- Plastics processing / Injection molding, Chemistry, Mechanical engineering, Water treatment / Dosing systems, Water treatment / Dosing systems (customer industry)
- 01
Development and design
- 02
Production in Germany
- 03
Individual adaptation to container shape and size
- 04
Worldwide shipping
Materials and Equipment Variants
Various Materials
The covers can be made from various materials; specific materials are not specified.
Replaceable Fleece
Optional equipment for absorbing moisture from the container interior.
Conductive Version
Grounded variant of the cover against static charge.
Locations
Bad Oeynhausen
DEHead office, contact and sales (Zum Wolfswald 1)
- Materials
- Various materials (not specified in detail)
Products

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of bulk goods covers (seal-IT covers) for Octabins, wire mesh boxes and GaylordsPlastics | – | – | – | – | various materials (not specified in detail) |
| Individualization of the cover: up to three openings for suction pipes for multi-machine feedingPlastics | Diameter between 30 mm and 80 mm | – | – | – | various materials (not specified in detail) |
Additional services
Reference customers
History
- 2020
Start of collaboration with ProMinent GmbH (according to user report Chemie-Technik).
- 2021
Trade publications in GKV (January) and VDWF im Dialog 4/2021; start of collaboration with TKT Kunststofftechnik.