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Yingfan 4500gsm Containment Barrier Sodium Bentonite Waterproof Pad Gcl , Find Complete Details about Yingfan 4500gsm Containment Barrier Sodium Bentonite Waterproof Pad Gcl,Gcl,Containment Barrier Sodium Bentonite Waterproof Pad Gcl,Waterproof Pad Gcl from Waterproof Membrane Supplier or Manufacturer-Shanghai Yingfan Environment Engineering Co., Ltd.
Yingfan 4500GSM Containment Barrier Sodium Bentonite Waterproof Pad GCL
GCL has three levels:
1)The middle level is the natual sodium bentonite
2)the surface level is non woven geotextile, white colour
3)the bottom is the PE film or woven fabric,white or black colour
Those three levels are bonded together by needle punch processing.
