NP^® SiOPack^® is a Water-based, inorganic SiO₂ thin-film technology, which gives paper, cardboard and moulded fibre parts a Highly effective barrier against moisture, oils/greases and microorganisms lends.
The coating comes without polymer-based plastics and enables complete Recyclable and compostable paper packaging.

In short:
NP^® SiOPack^® replaces plastic coatings with an ultra-thin, mineral protective layer of silicon dioxide (SiO₂).

The coating is applied using a Sol-gel process applied directly to the paper surface.
After drying, the result is a Transparent SiO₂ layer just a few nanometres thick, which:

• hydrophobic properties (protection against moisture)

• oleophobic properties (protection against grease & oil)

• Mechanical flexibility

united - without changing the feel, printability or appearance of the paper.

Yes. NP^® SiOPack^® is a Sustainable, plastic-free barrier coating and offers the following environmental benefits:

• compostable

• Recyclable in the paper stream

• PFAS-free

• Free from microplastics

• Water-based, without solvents or fluoropolymers

NP thus fulfils^® SiOPack^® Central requirements for Environmentally friendly packaging solution

NP^® SiOPack^® is versatile and is suitable for, among other things

• Food packaging
  (e.g. bread roll bags, window bags, take-away trays)

• Pharma & healthcare
  (e.g. packaging for tablets, ointments, medical products)

• Cosmetics & chemicals
  (e.g. packaging for creams, liquids, powders)

• Technical applications
  (e.g. paper composites for the automotive and electronics industries)

Yes, in addition to rigid packaging, NP^® SiOPack^® also ideal for Flexible paper packaging how:

• Bag

• Wrapping papers

• Wrapping papers

The SiO₂ layer remains functional even when bent and folded.

For food packaging, NP offers^® SiOPack^® decisive advantages:

• Plastic-free barrier against grease, moisture & microorganisms

• food safe according to BfR XXXVI

• Compostable and recyclable

• Ideal for baked goods, take-away and fresh food packaging

The coating thickness is approx. 5-100 nanometres.
Despite the extremely low layer thickness, NP^® SiOPack^® one Highly effective barrier protection.

NP^® SiOPack^® is compatible with:

• coated and uncoated paper

• Cardboard box

• Moulded fibre parts

The technology is inline and offline-capable and can be applied using the following methods:

• Slot die coating

• Squeegee coating

• Roller coating

Retrofitting existing production lines is generally not necessary. not required.

NP^® SiOPack^®:

• Replaces conventional plastic barriers

• Reduces the use of materials

• Reduces CO₂ emissions compared to polymer coatings

• utilises a water-based, solvent-free technology

The production is based on natural, mineral raw materials (SiO₂).
The coating is:

• biologically harmless

• compostable

• Recyclable in the paper stream

NP^® SiOPack^® fulfils a. o:

• BfR XXXVI - Food safety

• PTS-RH 021:2012 - Recyclability

• PFAS-free

• microplastic-free

NP^® SiOPack^® is compatible with standard coating systems and:

• Drying at < 120 °C

• Reduced energy consumption

Yes, the technology is for Production speeds of up to 300 m/min and therefore ideal for large industrial series.

Yes. NP^® SiOPack^® complies with the applicable Food safety guidelines according to BfR XXXVI and can be used without hesitation for food packaging.

Please contact us for prices, availability and orders:

📧 info@siopack.eu
or via our contact form on the website.

Yes, we provide Samples available, so that you can test the SiO₂ barrier coating under real production conditions.

You can find detailed application examples on our website or in a personalised advice from our team of experts.