Lai Wu YingFeng Building Material Co.,Ltd
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Payment Terms: | T/T,L/C |
Place of Origin: | Shandong, China (Mainland) |
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Performance requirements | Notes | |||||||
50 | 80 | 100 | 150 | 200 | ||||
Filtration fabric | Longitudinal tensile strength | KN/5cm | >1.0 | GB/T3923.1-97 | ||||
Longitudinal elongation | % | 12~25 | GB/T3923.1-97 | |||||
Transverse tensile strength | KN/5cm | ≥0.8 | GB/T3923.1-97 | |||||
Transverse elongation | % | 15~30 | GB/T3923.1-97 | |||||
Sphere bursting strength | KN | ≥1.1 | SL/T235-1999 | |||||
Penetration K20 | cm/s | ≥0.1 | SL/T235-1999 | |||||
Equivalent aperture O95 | mm | 0.06~0.25 | GB/T14799-93 | |||||
Tube | Flattening 1% | N | ≥120 | ≥200 | ≥440 | ≥800 | ≥1200 | SL/T235-1999 |
Flattening 2% | N | ≥180 | ≥440 | ≥800 | ≥1200 | ≥1500 | SL/T235-1999 | |
Flattening 3% | N | ≥370 | ≥820 | ≥1500 | ≥1600 | ≥1800 | SL/T235-1999 | |
Flattening 4% | N | ≥700 | ≥1280 | ≥2500 | ≥2000 | ≥2400 | SL/T235-1999 | |
Flattening 5% | N | ≥1200 | ≥1600 | ≥3000 | ≥3200 | ≥3500 | SL/T235-1999 | |
Tube roughness | 0.014 | Manning fomula | ||||||
Tube lead to water deal cm3 /s×10-3 | 0.44 | 1.672 | ≥0.13 | ≥0.13 | ≥0.13 | J=1/250 |