Open sacks
Our range of open sacks covers solutions for different applications. We manufacture them from plastic or composite materials. We select the suitable version together with you in the project, tailored to transport, storage, processing and the desired protective performance, for example against moisture.
Our open sacks are available as gusseted sacks, cross-bottom sacks and flat sacks.
Bischof+Klein open sacks – your advantages:
- Bag film made of 100% PE (excluding printing inks, adhesives, closure materials and labels)
- Depending on product and version, recyclable solutions as well as solutions with recyclate content are available. We clarify which properties a version has within the project.
- On request, we assess recyclability according to the evaluation method of cyclos-HTP. The statement applies to the version tested.
- Protection for your product, tailored to the contents and version
- Gusseted, cross-bottom or flat sacks, depending on the application
- Filling via the open top
- Closure by welding, sewing, gluing or crimping, depending on the version
- Multicolour printing according to your specifications, tailored to your product
Individualization through additional equipment
Ventilation valve
After sealing the product, the air that has entered during filling is released via the welded-on valve. The packaging is now sealed airtight.
DuPont™ Tyvek®
Versatile, durable, breathable: Tyvek® is a DuPont™ brand nonwoven material with a low dead weight and offers extremely high resistance to water, abrasion, the ingress of bacteria, and aging.
PowFlex® ventilation
The patented PowFlex® ventilation system enables air to escape completely through a ventilation channel during the filling process.
Various ventilation systems
For our optional ventilation systems, we process the packaging mechanically using defined perforations and cuts, thereby allowing the air to escape during the filling process.
Use of recyclate
Depending on requirements, a version with recyclate is possible. We define the share within the project.
Aluminum barrier
Aluminium in the laminate as a barrier: light, UV radiation, water vapour and oxygen stay out.
Various barriers
Protection for sensitive contents: We can manufacture barriers against moisture, UV radiation and oxygen in laminates from different materials. We clarify which barrier is suitable for your product within the project.
Variations
Side gusseted sacks
- Integrated side gusset for forming a block-shaped sack on filling
- High dimensional stability and stacking capability
- Neatly arranged pallet profile
- For additional advertising space: optional printing of the side gussets
Cross bottom sacks
- Very good stability and stacking capability
- For additional advertising space: optional printing of the bottom and sides of the sack
Flat sacks
- Simple, easy-to-use converted packaging
- Manufactured from a flat sheet or tube
- Convincing cost / benefit ratio
Further products from Bischof+Klein
to the product overview
FFS films
- Films made of 100% PE (excluding printing inks, adhesives, closure materials and labels). Depending on requirements, a version with recyclate is possible. We define the share within the project. Recyclable versions can be implemented on request. Assessment according to cyclos-HTP.
AluFlex® ffs
- First-class barrier against water vapor and oxygen
- Optional: high puncture resistance: protection against fillings with sharp edges
- Tried and tested in drop tests from great heights
U-Pack® ffs
- Individual design – appealing appearance
- Reclosure systems or carrying handle integrated in FFS roll
- Barriers and viewing windows as optional equipment
PowFlex® ffs
- Film made of 100% PE (excluding printing inks, adhesives, closure materials and labels). Depending on requirements, a version with recyclate is possible. We define the share within the project. Recyclable versions can be implemented on request. Assessment according to cyclos-HTP.
- Sift-proof FFS tube with ventilation channel, optionally with barrier function
- Optimum presentation thanks to full-surface printing on the front
Cross bottom valve sacks
- Bag film made of 100% PE (excluding printing inks, adhesives, closure materials and labels)
- Depending on requirements, a version with recyclate is possible. We define the share within the project.
- Recyclable versions can be implemented on request. Assessment according to cyclos-HTP.
Stratapac™
- Twin-ply, open PE cross bottom sack for high-purity applications
- Outer layer for tool-free removal prior to transfer into the clean room
- PE inner layer manufactured under class 5 clean room conditions
SmartFlex®
- Reliable protection for containers of all types
- Optimum pallet stabilization – maximum transport security
- Depending on requirements, a version with recyclate is possible. We define the share within the project.