Special features
About the BTRA developed mask
Introduction:
Reusable cotton face masks are preferred over disposable non-woven mask due to its comfort. However, the fabric used for mask is normally open weave with large pores size. The porous nature of textiles means that viruses and bacteria can be trapped within the fabric structure, which possibly lowers the risk of the viruses being transferred. Therefore, we aimed to develop the protective face by reducing the porous size using nano fibre membrane technology.
- No throughout cut for improved protection
- High bacterial filtration efficiency (98%)
- Low pressure drop high breathability
- Adjustable ear loop for more comfort
- Anti- fogging adjustable nose clip
- Compliance as per IS 16289 class 2 mask requirements
About the BTRA developed mask
Introduction:
Reusable cotton face masks are preferred over disposable non-woven mask due to its comfort. However, the fabric used for mask is normally open weave with large pores size. The porous nature of textiles means that viruses and bacteria can be trapped within the fabric structure, which possibly lowers the risk of the viruses being transferred. Therefore, we aimed to develop the protective face by reducing the porous size using nano fibre membrane technology.
Objectives of the Project:
The main objective of this study aims to develop the reusable protective face mask with high bacterial filtration efficiency
Special features of BTRA developed face mask are
The main objective of this study aims to develop the reusable protective face mask with high bacterial filtration efficiency
Special features of BTRA developed face mask are
-
Product name-
SaafAir
- Five layers protective face mask
- Front and back soft comfortable cotton
- 2nd& 4th non-woven,
- middle layer- nano fibre membrane technology (BTRA developed)
- No throughout cut for improved protection
- High bacterial filtration efficiency (98%)
- Low pressure drop/ high breathability
- Adjustable ear loop for more comfort
- Anti- fogging adjustable nose clip
- Compliance as per IS 16289 class 2 mask requirements
Electro spinning of nano fibres
The needleless electrospinning machine from ELMARCO (NS IS500 U) with wire electrode was used for the nanofiber spinning was used. Electrospinning parameters such as concentration of polymer, positive electrode voltage, negative electrode voltage, the distance between the electrode and relative humidity were standardized. Nanofiber layer spun at optimised parameters and nano membrane was obtained for 98% bacterial filtration efficiency. This Nano- membrane was used middle layer for the bacterial filtration purpose.
The needleless electrospinning machine from ELMARCO (NS IS500 U) with wire electrode was used for the nanofiber spinning was used. Electrospinning parameters such as concentration of polymer, positive electrode voltage, negative electrode voltage, the distance between the electrode and relative humidity were standardized. Nanofiber layer spun at optimised parameters and nano membrane was obtained for 98% bacterial filtration efficiency. This Nano- membrane was used middle layer for the bacterial filtration purpose.
