... 07 standard of USA -Nelson lab inspection -BFE95,BFE98,BFE99 -Low penetration rate Medcal meltblown fabrics OEMSMS laminated material is made ... of spunbond+meltblown+spunbond ,softness,high strength,low penetration ,excellent filtration efficiency,low pressure drop,good dust holding capacity,high hydro-head and ... -07,NIOSH,CE EN149:2001,AS1716Inspection: American TSI-8130 Automated Filter Testers