... , filtration, drainage etc.Packing sizeWidth:1-6m,Technical specification of short fiber needle punched non-woven geotextiles:According to ... 420.460.60MD and CDNeedle punched geotextile after treatment method Singeing, Calendar,Heat-setting, the film cover,steep ... actual specifications in the range of two adjacent table, according to the interpolation method to calculate the appropriate evaluation ...