The construction of general purpose conveyor belts:
• multiply EP carcass (warp polyester + weft polyamide)
• special rubber layer with good fabric adhesion properties (skimmed layer) • high abrasion resistant cover
• special quality of cover on request
Fabric type | Fabric structure | Fabric specs | Ply thickness (mm/p) | (N/mm) Stiength series | (mm) Cover thickness | (mm) Width | (m) Length | ||||||
Warp | weft | 2Ply | 3Ply | 4Ply | 5Ply | 6Ply | Upper | Lower | |||||
Polyester (EP) | Polyester (EP) | Polyamine (P) | EP-80 | 0.6 | 160 | 240 | 320 | 400 | 480 | 1.5-12 | 0-4.5 | 400-2500 | ≤300 |
EP-100 | 0.75 | 200 | 300 | 400 | 500 | 600 | 500-2500 | ||||||
EP-150 | 1 | 300 | 450 | 600 | 750 | 900 | |||||||
EP-200 | 1.1 | 400 | 600 | 800 | 1000 | 1200 | |||||||
EP-250 | 1.25 | 500 | 750 | 1000 | 1250 | 1500 | |||||||
EP-300 | 1.35 | 600 | 900 | 1200 | 1500 | 1800 | |||||||
EP-350 | 1.45 | - | 1050 | 1400 | 1750 | 2100 | 800-2500 | ||||||
EP-400 | 1.55 | - | - | 1600 | 2000 | 2400 | |||||||
EP-450 | 1.7 | - | - | 2000 | 2500 | 3000 | 1000-2500 |
Adhesive strength and elongation performance meet the following table
Belt carcass | Adhesive strength | |||||||
Betweenplies | (N/mm) Betweenrubber and carcass | Longitudinal elongation at break | Longitudinal elongation at reterence | |||||
Rubber thickness≤1.5mm | Rubber thickness>1.5 | |||||||
canvas | ≥4.50 | ≥3.15 | ≥3.50 | 10 | 2 | |||
1. DIN 22012
Standards | Cover Rubber | ||||
Tensile Strength | Elongation at Break | Abrasion | |||
DIN 22102 | Mpa (N/mm) | % | MM3 | ||
DIN 22102-Z | 15 | 350 | 250 | ||
DIN 22102-W | 18 | 400 | 90 | ||
DIN 22102-Y | 20 | 400 | 150 | ||
DIN 22102-X | 25 | 450 | 120 |
Some other letter identification
Standards | Cover Rubber | ||||
DIN 22102-E | Anti Static | ||||
DIN 22102-K | Anti-static and flame retardant | ||||
DIN 22102-T | Heat resistant | ||||
DIN 22102-R | Cold resistant | ||||
DIN 22102-G | Oil resistance | ||||
DIN 22102-A | For food | ||||
DIN 22102-C | Chemical resistant |
2. RMA
Standards | Cover Rubber | ||||
Tensile Strength | Elongation at Break | Abrasion | |||
RMA | Mpa (N/mm2) | % | MM3 | ||
RMA-I | 17 | 400 | 200 | ||
RMA-II | 14 | 400 | 250 |