Secondary Seal | Technologies | Corporate | Krehalon

Product range: USA - Preferred language: English

Part of the Kureha Group

Secondary Seal


The patented SSL™ (Secondary Seal) technology was developed by Krehalon to improve fresh meat packing. Krehalon developed this revolutionary technology to address the Fresh Meat industry needs for minimising blood drip in packaging and achieving the perfect ‘skin tight’ pack presentation whilst preserving product quality through shelf life. 

SSL™ minimises blood microbial spoilage in the bag. This allows broader geographical distribution of packed fresh meat products.

How SSL™ works

SSL™ uses special sealant materials to allow the inner packaging layers to fuse together through the normal production processes of vacuum packing and hot water shrinkage.

Blood drip comparison between SSL™  and standard shrink

Blood drip comporison between SSL™ (left) and standard shrink (right)

Features and benefits:

  • Preserved meat quality over extended shelf life
  • Superior ‘skin tight’ pack presentation with no post-shrink relaxation
  • Significant blood yield advantages over standard shrink products
  • Reduced leakers and vac-pack odour
  • High barrier SSL™ grades for long life meat applications

Ideal for automated packaging applications 

SSL™ is well-suited for automated packing, particularly Flovac™. Automated Shrink Bag Replacement (SBR™) systems reduce the risk of high contamination related to manual bag loading and help achieve effective secondary seal. Combining SSL™ with SBR™ can provide a ‘step change’ in pack presentation whilst driving down real pack costs.

  • Reduced labour costs
  • Reduced material usage
  • Improved production flow and output
  • Clean hermetically sealed packs
  • Reduced pack leakers

Want to find out more about SSL™?

Download our SSL™ Secondary Seal brochure to learn more about this technology and how it can address your requirements.