The cover rubber’s physical properties:
sidewall cleated conveyor belt
| grade of covering rubber | Tensile strength, Mpa,≥ | Elongation at break,% ≥ | abrasion loss, mm3≤ | Change rate of tensile strength and elongation at break after 70°Cx168h aging | ||||
| laceration resistant type(H) | 24 | 450 | 120 | -25 ~ +25 | ||||
| abrasion resistant type(D) | 18 | 400 | 100 | -25 ~ +25 | ||||
| ordinary type(L) | 15 | 350 | 200 | -25 ~ +25 | ||||
Interlaminar bonding strengh:
| Item | between the fabric layers | between cover and belt carcass | |||||
| cover thickness 0.8-1.5mm | cover thickness>1.5mm | ||||||
| average value of all samples,N/mm≥ | 4.5 | 3.2 | 3.5 | ||||
| lowest peak value of all samples,N/mm≥ | 3.9 | 2.4 | 2.9 | ||||
| Remark:highest peak value of all samples shall not exceed 20N/mm | |||||||
Specifications and technical datas of EP/nylon/cotton fabric multi layers conveyor belt:
| carcass material | fabric type | single fabric thickness (mm/ply) | single fabric strength (N/mm) | Number of fabric piles | Cover rubber thickness (mm) | belt width (mm) | belt length (m) | |
| upper | bottom | |||||||
| Cotton Canvas (CC) | CC-56 | 1.10 | 56 | 2-10 | 2.0-8.0 | 0-4.5 | 400-2500 | ≤400 |
| Polyester Cotton (TC) | TC-70 | 1.00 | 70 | 2-10 | 1.5-8.0 | 0-4.5 | 400-2500 | ≤400 |
| Nylon (NN) | NN100 | 0.75 | 100 | 2-10 | 1.5-8.0 | 0-4.5 | 400-2500 | ≤400 |
| NN150 | 0.80 | 150 | ||||||
| NN200 | 0.90 | 200 | 500-2500 | |||||
| NN250 | 1.15 | 250 | ||||||
| NN300 | 1.25 | 300 | 2-6 | |||||
| NN400 | 1.45 | 400 | 800-2500 | |||||
| NN500 | 1.55 | 500 | ||||||
| Polyester (EP) | EP100 | 0.80 | 100 | 2-10 | 1.5-8.0 | 0-4.5 | 400-2500 | ≤400 |
| EP125 | 0.85 | 120 | ||||||
| EP150 | 0.90 | 150 | ||||||
| EP200 | 1.05 | 200 | 500-2500 | |||||
| EP250 | 1.25 | 250 | ||||||
| EP300 | 1.35 | 300 | 2-6 | |||||
| EP350 | 1.50 | 350 | 600-2500 | |||||
| EP400 | 1.80 | 400 | ||||||
| EP500 | 2.00 | 500 | ||||||