... elongation ratio,thermostable,high module,light weight,good toughness,anti-corrosive ... foundation crack reflection.FeaturesThe product has high intensity,low elongation ratio,thermostable,high module,light weight,good toughness, ... bearing stress,extense road surface service life,the high tensile strength and the low elongation ratio,no ... crack and postpone reduction reflection crack. Fiberglass geogrid