ventilation air duct(air hose) for mining:
diameter: 600mm
length:10m
The feature of Yecheng brand fiberglass fabric ventilation duct:
Yecheng brand has the feature of flame resistant,anti-statics,small windage,low air leakage ratio,high intensity,convenient usage,long service life and so on. It is applicable to downhole coal-mine,metallurgy,tunnel,subway and so on,executing MT164-1995 standard.
No. | Testing item | National standard value | Test result |
1 | Length (mm) | 100000+100 | 10014 |
2 | 100m windage (N.S2/M8) | 54.0 | 30.00 |
3 | 100m air leakage ratio(%) | ≤4.0 | 0.69 |
4 | wind pressure(Pa) | 5000 | 10000 |
5 | Expansion ratio(%) | 3.0 | 0.79 |
6 | Warp-wise breaking off strength(N/50mm) | ≥1300 | 2537.0 |
7 | Weft-wise breaking off strength(N/50mm) | ≥1300 | 2435.0 |
8 | Warp-wise tearing strength(N) | ≥150 | 881.0 |
9 | Weft-wise tearing strength(N) | ≥150 | 500.0 |
10 | Surface resistance(R) | ≤3*108 | 2.6*103 |
11 | Blast alcohol burner in Flaming burning time(single) | ≤10 | 1.8 |
12 | Alcohol burner in Flameless burning time(single) | ≤60 | 2.7 |
Note:The above parameter is for your reference only,it can be modified without separate notification.