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No. | Item Index Specification | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 800 | Remarks |
1 | Unit area mass deviation,% | -8 | -8 | -8 | -8 | -7 | -7 | -7 | -7 | -6 | -6 | -6 | |
2 | thickness, mm ≥ | 0.9 | 1.3 | 1.7 | 2.1 | 2.4 | 2.7 | 3 | 3.3 | 3.6 | 4.1 | 5 | |
3 | Width deviation, % | -0.5 | |||||||||||
4 | Breaking strength, KN/M ≥ | 0.08 | 0.12 | 0.16 | 0.2 | 0.24 | 0.28 | 0.33 | 0.38 | 0.42 | 0.46 | 0.6 | Vertical and horizontal |
5 | Elongation at break, % | 25-100 | |||||||||||
6 | CBR bursting strength,KN ≥ | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3.2 | 4 | |
7 | Equivalent aperture,O99(O35),mm | 0.07-0.2 | |||||||||||
8 | Vertical permeability coefficient,cm/s | KX(10 -1 -10 -3 ) | K=1.0-9.9 | ||||||||||
9 | Tear strength 3,KN ≥ | 0.08 | 0.12 | 0.16 | 0.2 | 0.24 | 0.28 | 0.33 | 0.38 | 0.42 | 0.4 | 0.6 | Vertical and horizontal |