news ASTM F1671 Anti-seepage Verification of Medical Positive Pressure Protective Garment Sealing Strip Foaming Retardant 1027 ASTM F1671 Anti-permeability Verification of Medical Positive Pressure Protective Garment Sealing St... 03/1970ASTM F1671 Anti-seepage Verification of Medical Positive Pressure Protective Garment Sealing Strip Foaming Retardant 1027