The following auxiliary materials and equipment should be provided by the customer.
Anti-filter meltdown cloth
Gram weight: ≥22g/ m²
Filter efficiency: KN90, KN95, KN100 or BFE95/BFE 9 standard ( Medical use)
Coil: ID40- 85mm, OD 600mm, Max. OD 700mm， Width 175mm
Inner/outer layer material for mask
Gram weight: 25-30g/ m²
Color: blue and white
Coil: ID40- 85mm, OD 600mm, Max.OD 700mm， Width 195mm
Elastic nonwoven fabrics
Thread diameter: 2.5-3.5mm(hollow)
Ultrasonic welding to mask
Aluminum nose strip
Single core: 3. 0* 0. 5mm
Automatically seamed into the mask
Coil：ID>152mm, OD≤450mm, Height &lgt;72mm
Spunbond (PP)：Single layer
Meltblown (PP): Single or multi layer
The sterilizing time is 10 to 12 hours, and after it is completed, it needs forcible resolution within the sterilizer for 12 hours, the whole process adding up to about 24 hours. After the mask is finished, the resolution time can be shortened to about 7 days to achieve the inspection standard.
The packaging box for the disposable masks come in two sizes: large 220 * 120 * 100mm, small size 180 * 100 * 70mm. Individual packaging is used for the large size, while 50-piece package is adopted for small size orders.