These standards address certain characteristics of the materials used in the manufacture of gowns, such as tear resistance and seam strength, lint production and water vapour transmission. Health Canada accepts compliance with the American Society for Testing and Materials (ASTM) F2407 standard, a framework document that covers the following standards: Tensile Strength: ASTM D5034, ASTM D1682 Tear strength: ASTM D5587 (woven), ASTM D5587 (non-woven), ASTM D1424 Seam strength: ASTM D751 (stretch weave or stretch knit) Fluff production: ISO 9073 part 10 Water vapor transmission (breathability): ASTM F1868 Part B, ASTM D6701 (non-woven), ASTM D737-75