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Supat <br /> It Supac geotextiles — engineered,proven money-savers. <br /> Supac is the registered trademark for a broad textiles are available in a wide range of weights up <br /> range of needlepunched nonwoven and woven to sixteen (16) ounces per square yard. Woven <br /> geotextiles manufactured and marketed by Phillips geotextiles,both slit-film and monofilament,are also <br /> Fibers Corporation.Needlepunched nonwoven geo- offered. <br /> Nonwoven Geotextiles. <br /> Supac N is manufactured with 100%man-made Supac N has the capability of passing water <br /> fibers which are mechanically interlocked by needle- through the geotextile both normally and within the <br /> punching and heat bonding. This proprietary plane. The ability for water to pass through the geo- <br /> process produces three dimensional geotextiles textile normally is usually expressed as coefficient of <br /> which are highly permeable,compact and extremely permeability(cm/sec.)or flow rate(gal/sq.ft./min.). <br /> puncture resistant. Nonwoven Supac is made from <br /> polypropylene,a petrochemical based polymer that <br /> is essentially chemically and biologically inert. Supac <br /> will not decompose in soil due to bacterial or fungal <br /> ,V ®� � action. In normal use it <br /> • - ; is unaffected by acids, \ \ <br /> � A t alkalis, oils and most <br /> chemical solvents.Ultra- s„ <br /> i o...,. pac <br /> tom. violet-light (W) stabil- <br /> ized grades of Supac N :o <br />• �� are also available. <br /> r <br /> The geotextile's coefficient of permeability <br /> Needlepunched Nonwoven should always be greater than the coefficient of <br /> Geotexble(100 x) permeability of the soil being drained or separated; <br /> for critical drainage applications the geotextile's <br /> coefficient of permeability should be ten times the <br /> Because Supac N has excellent drapability, permeability of the soil medium. <br /> puncture and abrasion resistance, it is an excellent <br /> geotextile for the drainage, embankment stabiliza- <br /> tion, protective liner and railroad trackbed stabil- <br /> ization end uses. Passage of water within the plane of Supac N is <br /> defined as lateral permeability or transmissivity and is <br /> expressed in units ofcm/sec.Feld evaluations indicate <br /> that transmissivity is an important attribute when a <br /> geotextile is used as a protective geomembrane liner <br /> and in the stabilization of railroad trackbeds. <br /> Typical properties of Supac N are shown on <br /> the technical data sheet contained in the inside <br /> back cover. <br />