polyester staple geofelt

Daheng Filter Cloth Co.,Ltd. 　　　　　　　

www.all-filter.com　　　　　　　　　　　　　　　　　　　　　　　　　　　

PET geotechnical cloth Back

Item	weight（g/m2）	Technical parameter							remark
Name	weight（g/m2）	Tensile strength (KN/M)	Tensile elongation（%）	Tearing strength (KN)	CBR（KN）	vertical permeating coefficient cm/s	(equivalent hole rate O_{95 )}（mm）	Size stability (%)	remark
Polyester spunbond filament geotechnical cloth	150	≥7.5	40-80	≥0.21	≥1.4		0.07-0.2		①Representative’s properties of product classified in the form. 　 ② k=1.0-9.9
	200	≥10	40-80	≥0.28	≥1.8		0.07-0.2
	250	≥12.5	40-80	≥0.35	≥2.2		0.07-0.2
	300	≥15	40-80	≥0.42	≥2.6		0.07-0.2
	400	≥20.5	40-80	≥0.56	≥3.5		0.07-0.2
	500	≥25	40-80	≥0.70	≥4.7
Compound filament geotechnical membrane(PVC.PE)	100/0.2	≥5.2	30-100	≥0.11	≥1.08
	250/0.25	≥18.5	30-100	≥0.57	≥2.93
	150/0.3/150	≥18.7	30-100	≥0.43	≥2.13
	200/0.35/300	≥28	30-100	≥1.01	≥5.79

Polyester spunbond filament felt scrim	100	≥220	≥25	70	68	≤2
	120	≥280	≥25	90	80	≤2
	160	≥380	≥25	120	150	≤2
	180	≥440	≥25	135	170	≤2
	250	≥700	≥25	180	250	≤2

Performances & characteristics

★High tensile strength, good resistance to ripping, resistance to pushing. It is more than one time of equal weight of flock geotechnical cloth especially resistance to ripping and resisting intensity more than 2200 Newton. Among pieces of stone protection slope, it can protect cloth covered without being assaulted of irregular stones.
★Good performance of extending , disperse and transmit quickly of stress, make loading evenly

★The coefficient of friction is great, It is difficult to slip while constructing.
★Good performance of resistance to chemical attack
★Anticorrosive
★Ageing-resistant, the laid of imbedding, service life is more than 50 years
★Good performance of heat-resisting and cold-resistant can stand 200~-30℃ different temperatures' changes but quality is not influenced.

The function of polyester filament geotechnological cloth

★Buffer function: It can be made for isolating layer between railway dreg and road bed, airport’s parking layer and groundsill, different dam’s material, can isolate two different grain diameter of grit and plus material or grit and groundsill or other construction materials.
★Filter function: It can be made for filter layer of dyke, dam ,river, canal and coast or concrete slope, retaining wall, etc., prevent the soil from passing and allow water or gas to pass freely at the same time.
★Protection function: It can prevent embankment from eroding from wind, wave, tide, rain, be used in the shore protection, bank protection, bottom protection, and prevent soil erosion.
★Strengthen function: It is used in highway, railway, grit dam, defending slope dyke, stadium, retaining wall, backfill soil, slope, distribute the subject stress, increase the mould amount of soil, restrain soil from moving and improve the stability.