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700mm 1 Layer To 10 Layers Rubber Conveyor Belts
1. Specifications
(1) Core material: EP100, EP150, EP200, EP250, EP300, EP350, EP400, EP450, EP500
(2) Bandwidth: 100mm-3000mm
(3) Cloth layer: 1-10 layers
(4) Cover rubber: working surface: 0-10mm non-working surface: 0-6mm
| Physical properties of covering layer of polyester conveyor belt: | ||||
| Overlay performance level | Tensile strength Mpa, ≥ | Elongation at break% ≥ | Abrasion rate mm 3 ≤ | Change rate of tensile strength and elongation at break after aging at 70 o C×168h days |
| Strong scratch type | 24 | 450 | 120 | – 25 ~+25 |
| Strong wear type | 18 | 400 | 100 | – 25 ~+25 |
| General type | 15 | 350 | 200 | – 25 ~+25 |
| Layer bonding strength: (the highest peak value of all samples shall not exceed 20N/mm) | |||
| Item | Between layers | Between cover layer and cloth layer | |
| Covering layer thickness 0.8~1.5mm | Covering layer thickness>1.5 mm | ||
| Average value of all samples N / mm ≥ | 4.5 | 3.2 | 3.5 |
| The lowest peak value of all samples N / mm ≥ | 3.9 | 2.4 | 2.9 |
| The general flame-retardant type meets the GB10822-89 standard and the physical properties of the covering layer: | |
| The tensile strength of the covering layer Mpa is not less than | 10 |
| The elongation at break of the covering layer% not less than | 350 |
| Note: The general flame-retardant belt with a cover thickness of less than 2.0mm has no physical performance requirements for the cover | |
| Bonding strength between layers: | |||
| Index item | Between layers | Between cover layer and cloth layer | |
| Covering layer thickness ≤ 1.5 mm | Covering layer>1.5 mm | ||
| The average value of the longitudinal sample is not less than | 5 | 3.5N/mm | 3.9 N/mm |
| The lowest peak value of the longitudinal sample is not less than | 3.9 | 2.4 N/mm | 2.9 N/mm |
