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HomeFarming NewsNew 7-layer silage barrier film is ‘up to 100 times more effective’
Catherina Cunnane
Catherina Cunnane
Catherina Cunnane hails from a sixth-generation drystock and specialised pedigree suckler enterprise in Co. Mayo. She currently holds the positions of editor and general manager at That's Farming, having joined the firm during its start-up phase in 2015.
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New 7-layer silage barrier film is ‘up to 100 times more effective’

RKW Agri has launched its Polydress® FarmGuard, a “next-generation” e7 silage barrier film.

According to the company, the film offers a “significantly improved” oxygen barrier to protect silage and easier handling.

There is “no longer a need for vacuum film”, saving farmers time, effort, and material and reducing waste.

Polydress FarmGuard

The company claims its 100 µm Polydress® FarmGuard silage barrier film is up to 100 times more effective as an oxygen barrier than standard silage films.

Moreover, it is easy to handle due to its extreme strength, as the dart drop test demonstrates.

Bernd Brenner, vice-president of sales at RKW Agri, said:

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“With this new product, we are giving our customers a seven-layer silage film that unites outstanding practical benefits with high-tech to create a truly sustainable solution for the future.”

The company claims the black-and-white barrier film features UV protection at 120 kLy, lasts 18 months in European markets.

“The excellent barrier function prevents oxygen from penetrating into the forage, ensuring the quality of the silage remains at the highest possible level for a long time. It also promotes the fermentation process.”

“Farmers benefit most from Polydress® FarmGuard when they need to store silage over longer periods.”

Maximum protection against oxygen means that:

  • The nutritional value is preserved;
  • Silage losses are avoided;
  • Also, silage can be stored for longer.

The film’s high tensile strength of 38 MPa (equivalent to 38 N/mm2) and outstanding dart drop strength (≥ 750 g) ensure superior handling and quality users can rely on.

Focus on large widths

Initially, RKW is offering Polydress® FarmGuard in widths from 8 to 16 meters / 32ft up to 50ft.

From autumn 2021, the film will also be available in extra-wide widths of up to 30 meters / 100ft and lengths of up to 300 meters / 1,000ft.

Other silage films, such as Polydress® SiloPro and Bunker Cover, will also be available from the autumn in widths of up to 39 meters / 127ft.


“We at RKW take sustainability seriously. We are committed to the responsible use of plastics, particularly in the agricultural sector.”

Among other things, this includes optimised processes in development and production that lead to less waste.

In addition, the special composition of Polydress® FarmGuard, with the EVOH oxygen barrier, does away with any need for additional vacuum underlay films for covering the silo.

This means farmers can make “multiple” savings through:

  • Lower storage costs;
  • Transport costs;
  • Personnel and handling costs;
  • Less waste at the end of the film’s useful life.

The high-quality recycled materials can be recovered to make garden furniture or other agricultural films.

Read more machinery-related news on That’s Farming.

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