SNG400-3.5 geotextile is what model

SNG400-3.5 geotextile is what model

SNG400-3.5 refers to the national standard polyester staple acupuncture non-woven geotextile 400g / ㎡, width 3.5m. The index code for staple acupuncture nonwoven geotextiles is generally SNG / (1) (2) / (3) - (4) / (5). (1) that the use of raw materials fiber code: PET-polyester, PP-polypropylene, PA-nylon, PV-vinylon, PE-Ethylene (conventional polyester are generally vacant omitted code) (2) that polyester staple fiber non-woven Geotextile per unit area weight. (3) that the composite products in the polyester staple fiber non-woven geotextile weight per unit area, non-composite product vacancies. (4) width, expressed in meters (5) production department number: can express the product more specific characteristics, functions, varieties, sequences, etc., the general vacancy. For example, a 3.5m wide 400g / ㎡ polyester staple fiber nonwoven geotextile representation can be SNG / PET400-3.5, can also be expressed as SNG400-3.5