Black Polyester Rubber EP Conveyor Belts EP300 EP350 EP400
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| Variety | Standards and main indicators |
| Ordinary steel cord conveyor belt | GB/T9770-2001 |
| Flame-retardant steel cord conveyor belt | MT668-1997 |
| General flame-retardant steel cord conveyor belt | MT668-1997 |
| Heat-resistant steel cord conveyor belt | HG2297-92 |
| Wear-resistant steel cord conveyor belt | Shaoboer wear amount ≤90mm 3 |
| Acid, alkali and oil resistant steel cord conveyor belt | HG4-846
HG4-846 |
| Cold-resistant steel cord conveyor belt | Brittleness temperature -40℃ |
Polyester conveyor belt, also known as EP conveyor belt, wear-resistant conveyor belt, automatic conveyor belt, cement conveyor belt, has high body modulus, low elongation, good heat resistance stability, impact resistance, and is suitable for medium and long distances. High tailoring, conveying materials under high-speed conditions. It is used to transport materials in coal, mine, port, metallurgy, electric power, chemical industry and other fields. According to the performance of the cover rubber, it is divided into cold-resistant type, acid-resistant type, alkali-resistant type, oil-resistant type, wear-resistant type, etc.
According to different use environments, rubber conveyor belts are divided into rubber conveyor belts and include (common type, heat-resistant type, flame-retardant type, burn-resistant type, acid and alkali resistant type, oil resistant type), heat-resistant conveyor belt, cold-resistant conveyor belt, acid and alkali resistant Conveyor belt, oil-resistant conveyor belt and other models. The minimum thickness of the cover rubber on the ordinary conveyor belt is 3.0mm, and the minimum thickness of the lower cover rubber is 1.5mm; the minimum thickness of the cover rubber on the heat-resistant conveyor belt, cold-resistant conveyor belt, acid and alkali resistant conveyor belt, and oil-resistant conveyor belt is 4.5mm, and the lower cover The minimum glue is 2.0mm. According to the specific conditions of the use environment, the thickness of the upper and lower cover rubber can be increased by 1.5mm.
| 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 |
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Black Polyester Rubber EP Conveyor Belts EP300 EP350 EP400 Images
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