The Parameter of Coated Fabric Positive Pressure Air Duct for Coal Mining FTZSS(PVC)
Item | National standard value | Test result |
length (mm) | 10000+1000 | 10014 |
100m wind drag(N.S2/M8) | ≤54.0 | 30.00 |
100m air leakage rate (%) | ≤4.0 | 0.69 |
wind pressure(Pa) | ≥5000 | 10000 |
Expansion ratio (%) | ≤3.0 | 0.79 |
Warp-wise breaking off strength(N/50mm) | ≥1300 | 2537.0 |
Weft-wise breaking off strength(N/50mm) | ≥1300 | 2435.0 |
Warp-wise tearing strength(N) | ≥150 | 881.0 |
Weft-wise tearing strength(N) | ≥150 | 500.0 |
Surface resistance(R) | ≤3*108 | 2.6*103 |
Blast alcohol burner in Flaming burning time(single) | ≤10 | 1.8 |
Alcohol burner in Flameless burning time(single) | ≤60 | 2.7 |
Product Name | Diameter mm | Length m |
FTZSS 300*10B | 300 | 10 |
FTZSS 400*10B | 400 | 10 |
FTZSS 500*10B | 500 | 10 |
FTZSS 600*10B | 600 | 10 |
FTZSS 700*10B | 700 | 10 |
FTZSS 800*10B | 800 | 10 |
FTZSS 1000*10B | 1000 | 10 |
Coated Fabric Positive Pressure Air Duct for Coal Mining FTZSS(PVC)