Table 1

Chart of materials’ composition (if availibile), breathing resistance, mean filtration efficiency (FE), SD of FE, and where available, FE when damp.

FabricBrandFibre CompositionEase of Breathing Through MaterialDryDamp
Mean % FESDMean % FESD
N95 Mask3MN/A152.472.22245.681.247
Surgical MaskN/A247.461.08742.731.664
Disposable HEPA Vacuum BagsKenmoreN/A260.860.76171.934.407
Windbreaker100% Polyester347.121.33245.553.535
Jeans Denim100% Cotton345.942.17630.695.314
Washable Vacuum Bag HEPACanineCoddlerN/A243.641.85244.972.267
Thick felted woolWeir Crafts100% Merino Wool035.870.502
Cotton, Heavyweight Woven100% Cotton235.772.707
Folded SockCotton, Lycra235.361.146
Quilting Cotton100% Cotton134.542.04731.881.406
Two Sided Minky FabricN/A134.170.716
Shirting Cotton100% Cotton133.592.097
Cotton, Lightweight Woven100% Cotton030.21.499
Cotton Quilt Batting100% Cotton029.811.27
Cotton Flannel100% Cotton128.51.52930.141.196
Craft FeltMisscraftsRayon, Acrylic, Polyester027.720.748
100% Nylon Woven100% Nylon327.611.303
T-Shirt, HeavyweightGildan100% Cotton125.210.471
Cotton Jersey Knit100% Cotton024.564.8
Lycra82% Nylon, 18% Spandex021.61.477
Fusible InterfacingHTCN/A0151.672
T-Shirt, LightweightRetro Brant50% Polyester, 50% Cotton010.51.293