Propex receives lab accreditation

July 14, 2011  |  Products

Chattanooga-based Propex Operating Co. LLC announced in a July 12 press release that the geotextile laboratory at its Ringgold, Ga., manufacturing facility has achieved the American Association for Laboratory Accreditation (A2LA) lab accreditation for quality control mechanical testing. Propex is a …
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More coir: Coir is hitting rural roads in southern India

July 8, 2011  |  Products

Transportation officials say that coir geotextiles will now be used as reinforcement material on rural roads in eight states in India. The work is undertaken by the Coir Board in collaboration with the National Institutes of Technology and other research organizations. In each of the eight states, u…
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Bonar and Natpet select NSC Nonwoven equipment

June 22, 2011  |  Products

Bonar Technical Fabrics and National Petrochemical Industrial Co. (Natpet) have purchased a nonwoven production line from NSC Nonwoven for their joint-venture company in Saudi Arabia. Bonar is a Belgium-based producer of woven and nonwoven fabrics for geotextile applications and is a business unit o…
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Craig Martin named Propex VP for Geotextile Systems

June 21, 2011  |  Products

Propex Operating Co. LLC, announced in a June 21 press release that Craig Martin has been appointed vice president of the company’s Geotextile Systems unit. He reports to Ralph Bruno, executive vice president of global sales and marketing. Martin brings to Propex more than 29 years of sales, m…
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Geotextile–drainage grid combo earns praise

June 10, 2011  |  Products

A new research report cites geotextiles in conjunction with a drainage grid surpass traditional gravel drainage for irrigation, water use, turf health Research was recently completed at Texas A&M University to analyze the widely accepted United States Golf Association (USGA) recommendations for …
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GT seam strength

June 1, 2011  |  Products

From the GMA Techline RE: GT seam strength We are starting to see more specs requiring 90% retention of original strength for seam strength on geotextiles. Is this common in the industry? What is the standard retention value? And do these values change between monofilament, slit film, and nonwovens?…
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GT ageing

June 1, 2011  |  Products

From the GMA Techline RE: GT ageing I’ve been trying to track down the best references for ageing and degradation of geotextiles and found reference to ongoing research in this area. I’ve located the Valcros Dam references. Are there others that you could recommend? Also, do you know if …
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GT weight

June 1, 2011  |  Products

From the GMA Techline RE: GT weight Is there any rule governing the geotextiles determined by weight and specification set? Or can I confirm that the properties specified in the rules are only mechanical and hydraulic properties without regard to weight? (José | Mexico) Reply: You ask a very …
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Liner system

June 1, 2011  |  Products

GMA techline answers from Bob Koerner RE: Liner system I’m working on a project that will have a liner system as follows (from top to bottom): 12in. min.—chipped tires 3ft min.—recompacted mancos shale (max hydraulic conductivity 1×10-7cm/sec) Prepared subgrade Are there any i…
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Puncture resistance

June 1, 2011  |  Products

From the GMA Techline RE: Puncture resistance We are proposing four consecutive layers of 16oz./yd2 geotextile overlying the geomembrane in the leachate pipe V-notch collection trench. Would you equate the puncture resistance of the four geotextile layers to one 64oz./yd2 geotextile? What are your t…
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