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Borealis manufactures meltblown fabrics on pilot line for face mask production
Source:Adsale Plastics Network    Editor:JK    Date:18.May.2020

Borealis has announced that it has started production of meltblown fabrics for face mask applications on its unique pilot line in Linz, Austria. Borealis has managed quickly to convert the way of working from pure development to smaller scale pilot production to regularly produce rolls of fine fibre fabrics for face masks.

 

Recently developed by Borealis, a new proprietary polypropylene (PP) meltblown resin has boosted filtration properties due to its capability for finer fibres. By exploiting a network of co-operation partners in the country, as well as Borealis's pilot line is now being re-purposed, as to help meet the need for face masks.


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Meltblown pilot line in the Borealis Innovation Headquarters in Linz.


The newly developed Borealis HL912FB is being used to produce meltblown fabric to be applied for customised inlays in cotton-based mouth-nose masks, for conventional mouth-nose masks, and also for high-end face masks worn by medical professionals (FFP1 to FFP3).

 

A typical mask is made out of spunbonded outer layers and a meltblown middle layer. The spunbonded layers provide the structure while the meltblown layer is providing the barrier properties. For high-end FFP1 to FFP3 masks, more advanced meltblown structures with extremely fine fibres are essential. Borealis offers both the unique meltblown materials and a variety of spunbond PP grades.


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Roll of filtration fibres produced on the meltblown pilot line in the Borealis Innovation Headquarters.


The Borealis meltblown resins HL708FB and HL712FB are reference grades for filtration. Recently, a new resin Borealis HL912FB was introduced to the market, which can be processed at higher processing temperatures allowing the production of even finer fibres.

 

According to in-house testing, the use of Borealis HL912FB results in a significant improvement in filtration efficiency. All three grades are manufactured at Borealis facilities in Europe and made available to customers worldwide.

 

"The Covid-19 pandemic has led to a sudden steep increase in the need for PPE. We would like to assure our partners that we remain the reliable supplier of advanced polymers for the manufacture of high-quality face masks and other PPE,” says Lucrèce Foufopoulos, Borealis Executive Vice President Polyolefins, Innovation and Circular Economy Solutions.

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