The index name |
Cloth layer between |
Between overlay and cloth layer |
|
Thickness of overburden≤1.5mm |
Thickness of overburden﹥1.5mm |
||
Average of all samples |
4.5N/mm |
3.2N/mm |
3.5N/mm |
Bandwidth |
Cloth layer between |
Thickness of covering glue(mm) |
|
Working face |
The working face |
||
400 |
3-4 |
4.5/3.0 |
3.0/1.5 |
500 |
3-6 |
4.5/3.0 |
3.0/1.5 |
600 |
3-5 |
6.0/4.5 |
3.0/1.5 |
650 |
3-5 |
6.0/4.5/3.0 |
3.0/1.5 |
800 |
3-6 |
6.0/4.5/3.0 |
4.5/3.0/1.5 |
1000 |
3-7 |
6.0/4.5/3.0 |
4.5/3.0/1.5 |
1200 |
4-7 |
6.0/4.5 |
4.5/3.0/1.5 |
1400 |
4-7 |
6.0/4.5 |
4.5/3.0 |
1600 |
4-7 |
6.0/4.5 |
4.5/3.0 |
1800 |
5-7 |
6.0/4.5 |
4.5/3.0 |
2000 |
5-7 |
6.0/4.5 |
4.5/3.0 |
Grade of overburden |
Tensile strength |
Elongation at break |
Wear rate |
Rate of change of tensile strength and elongation at break after aging |
|
>= |
>= |
<= |
|||
Mpa |
kgf/cm2 |
% |
mm 3 |
% |
|
H |
24 |
240 |
450 |
120 |
-25~+25 |
D |
18 |
180 |
400 |
100 |
-25~+25 |
L |
15 |
150 |
350 |
200 |
-30~+30 |
Content type |
Fiber structure |
Fiber types |
Thickness of the polyester |
Intensity of series |
Thickness of covering glue |
Width (mm) |
Length (m) |
||||||
longitude |
latitude |
(mm/P) |
2 ply |
3 ply |
4 ply |
5 ply |
6 ply |
Top |
Bottom |
||||
nylon |
nylon |
nylon |
NN-100 |
0.7 |
200 |
300 |
400 |
500 |
600 |
1.5-8 |
0-4.5 |
400-2500 |
≦300 |
NN-125 |
0.75 |
250 |
375 |
500 |
625 |
750 |
|||||||
NN-150 |
0.8 |
300 |
450 |
600 |
750 |
900 |
|||||||
NN-200 |
0.9 |
400 |
600 |
800 |
1000 |
1200 |
500-2500 |
||||||
NN-250 |
1.1 |
500 |
750 |
1000 |
1250 |
1500 |
|||||||
NN-300 |
1.25 |
- |
900 |
1200 |
1500 |
1800 |
|||||||
NN-350 |
1.35 |
- |
1050 |
1400 |
1750 |
2100 |
800-2500 |
||||||
NN-400 |
1.7 |
- |
- |
1600 |
2000 |
2400 |
|||||||
NN-500 |
1.8 |
- |
- |
2000 |
2500 |
3000 |