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| Customization: | Available |
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| Type: | St1250 |
| Material: | Rubber |
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Technical Data Specification | ST630 | ST800 | ST1000 | ST1250 | ST1600 | ST2000 | ST2500 | ST3150 | ST3500 |
Tensile Strength(N/mm) | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 3500 |
Max Diameter of Cord(mm) | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 6.0 | 7.5 | 8.1 | 8.6 |
Pitch of Cord(mm) | 10 | 10 | 12 | 12 | 12 | 12 | 15 | 15 | 15 |
Top Rubber Cover Thickness(mm) | 5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 8 |
Bottom Rubber Cover Thickness(mm) | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 8 | 8 |
Weight(kg/m2) | 18 | 19.5 | 22.5 | 24 | 25.9 | 31.8 | 36.1 | 40.4 | 43.8 |
Width(mm) | Cord Number | ||||||||
800 | 75 | 75 | 63 | 63 | 63 | 63 | 50 | 50 | 50 |
1000 | 95 | 95 | 79 | 79 | 79 | 79 | 64 | 64 | 64 |
1200 | 113 | 113 | 94 | 94 | 94 | 94 | 76 | 76 | 77 |
1400 | 133 | 133 | 111 | 111 | 111 | 111 | 89 | 89 | 90 |
1600 | 151 | 151 | 126 | 126 | 126 | 126 | 101 | 101 | 104 |
1800 | 171 | 143 | 143 | 143 | 143 | 114 | 114 | 117 | |
2000 | 159 | 159 | 159 | 159 | 128 | 128 | 130 | ||
2200 | 176 | 141 | 141 | 144 | |||||
Test Item | Property Indexes | |||||||
GB9770-2001 | DIN22131 | |||||||
D | H | L | P | W | X | Y | ||
Tensile Strength | Mpa≥ | 18 | 25 | 20 | 14 | 18 | 25 | 20 |
Elongation | %≥ | 400 | 450 | 400 | 350 | 400 | 450 | 400 |
Abrasion | ≤ | 90mm3 | 120mm3 | 150mm3 | 200mm3 | 90mm3 | 120mm3 | 150mm3 |
Aging test (70℃×168h) Median value of tensile strength and elongation at break | % | It shall not be less than 75% of the corresponding value before aging. | ||||||
Type | ST630 | ST800 | ST1000 | ST1250 | ST1600 | ST2000 | ST2500 | ST3100 | ST3500 |
Min. Diameter of Pulley(mm) | 500 | 630 | 800 | 1000 | 125 | 1400 | 1500 | ||









