300g / m2 geotextile permeability coefficient is generally how much?
Geotextile cloth short fiber geotextile and long fiber geotextile, the two geotextile permeability coefficient is basically the same. According to the requirements of the national standard 300g / ㎡ geotextile permeability coefficient for the K * (10 negative side ~ 10 negative three power), K is between 1.0-9.9 values. From the indicators can be seen 300g / ㎡ specifications of the geotextile has a good water filter, can be used for water, filter them.
