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Polyester conveyor belt
Polyester conveyor belts, also called EP conveyor belts, whose tension resistant body is canvas woven by polyester in warp and polyamide in weft. The belts have the characteristics of Low elongation in warp and good trough ability in weft, good water resistance, good wet strength, no mould, suitable for medium, long-distance and heavy-load transportation of materials. Because of the high initial modulus of polyester, the belts can choose a relative low safety factor.
Specification and technical data of multiply EP conveyor belt
Fabric type |
Fabric structure |
Fabric specs |
Ply thickness (mm/p) |
Strength series (N/mm) |
Cover rubber thickness (mm) |
Width (mm) |
Length m |
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Polyester (EP) |
Warp |
Weft |
2ply |
3ply |
4ply |
5ply |
6ply |
Upper |
Lower |
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Polyester (EP) |
Polyester (EP) |
EP-80 |
0.6 |
100 |
240 |
320 |
400 |
480 |
2.0~8 |
0~4.5 |
400~2500 |
≤300 |
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EP-100 |
0.75 |
200 |
300 |
400 |
500 |
600 |
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EP -150 |
1.00 |
300 |
450 |
600 |
750 |
900 |
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EP -200 |
1.10 |
400 |
600 |
800 |
1000 |
1200 |
500~2500 |
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EP -250 |
1.25 |
500 |
750 |
1000 |
1250 |
1500 |
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EP -300 |
1.35 |
600 |
900 |
1200 |
1500 |
1800 |
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EP -350 |
1.45 |
1025 |
1600 |
1750 |
2100 |
800~2500 |
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EP -400 |
1.55 |
2000 |
2000 |
2400 |
1000~25000 |
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EP-500 |
1.70 |
2500 |
3000 |
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Cover properties of the belts
Cover grade |
Tensile strength ≥ |
Elongation at break ≥ |
Abrasion ≤ |
Change rate of tensile strength and elongation after aging |
|
MPa |
kgf/cm |
% |
cm3/ /1.61km |
% |
|
Heavy(H) |
18 |
180 |
400 |
0.7 |
-25~+25 |
Medium(M) |
14 |
140 |
350 |
0.8 |
-25~+25 |
Light(L) |
10 |
100 |
300 |
1.0 |
-30~+30 |
Adhesion and elongation of the belt
Belt carcass |
Adhesive strength |
Elongation |
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Between plies N/mm |
Between rubber and carcass |
Longitudinal elongation at break%≥ |
Longitudinal elongation %≤ |
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Cotton canvas |
Rubber thickness≤1.5mm |
Rubber thickness ＞1.5mm |
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≥4.5 |
≥3.15 |
≥3.50 |
10 |
1.5 |
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