... .2. prevent highway surface from collapse, crack and being dirty.3. be convenient for construction timesaving and cut down the cost ... 900,000 1,200,000aperture stabilitykg-cm/deg 3.1 4.8 4.3 3.4resistance to installation damage%SC/%SW/%GP 95 ... -420 430-530rolls dimensions (length, width)m 50*3.9 50*3.9(5) 50*3.9 50*3.9loading capacityrolls/40HC 205 180 120 ...