Grade
|
Tensile Strength/Mpa ≥
|
Breaking Elongation/% ≥
|
Abrasion Loss/mm3 ≤
|
H
|
24
|
450
|
120
|
D
|
18
|
400
|
100
|
L
|
15
|
350
|
200
|
Note:Grade H-used for transporting sharp, abrasive materials which can damage belts badly.Grade D-used for transporting highly abrasive materials.Grade L-used for transporting medium-abrasion materials.
|
Item
|
Ply to ply
|
Rubber cover to ply
|
|
Rubber cover thickness ≤1.5mm
|
Rubber cover thickness >1.5mm
|
||
All samples average value/ (N/mm) ≥
|
3.2
|
2.1
|
2.7
|
All samples min peak value/ (N/mm) ≥
|
2.7
|
1.6
|
2.2
|
Note: All samples max peak value is not more than 20N/mm.
|