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impermeable Not easily penetrated by water.
Ãâó: www.1st-water-filters.com/water-filtration-glossar...
impermeable Material that does not permit fluids to pass through it.
Ãâó: www.kgs.ku.edu/Hydro/GWtutor/PlumeBustersNM/gwGlos...
impermeable Underground formations that do not allow water to percolate through them.
Ãâó: www.dnr.state.wi.us/org/water/dwg/OpCert/HTML/glos...
impermeable The ability of a material or product to reduce or eliminate gaseous transmissions through it's mass; measured as the rate of Water Vapor Transmission (WVT). Note: Not all materials that are waterproof are vaporproof; all materials that are vaporproof are inherently waterproof.
Ãâó: www.moxie-intl.com/glossary.htm
impermeable material that does not permit fluids to pass through. impervious the quality or state of being impermeable; resisting penetration by water or plant roots. Impervious ground cover like concrete and asphalt affects quantity and quality of runoff.
Ãâó: www.aquatechnologies.com/info_glossary.htm
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