GEOTEX-100% polyester long-fiber (continouns filament ) needle-punched nonwoven materials.

With UV resistance.

Excellent resistance against acid, alikalis, aging, biological attachs,etc.

Vibration in grams per square meter:  100-200gsm -- within 6%.

                                                            250-450gsm -- within 5%.

Width: maximum 600cm.

Equivalent opening size  O90,   mm.: 0.07-0.20

Vertical permeability   cm/s.   K x 10 (-1)    (K=1.7-2.9)

UV resistance: >70% strength retention after 3 monthes ourdoor weathering.