Polyester and nylon multi-ply belts for medium and short distance conveying

Fabric core conveyor belts remain the workhorse of bulk handling. The carcass is built from two or more plies of polyester/nylon or nylon/nylon fabric, bonded with high-adhesion rubber skim coats and finished with covers matched to the material being carried.
EP carcasses give low elongation and good moisture resistance, making them the standard choice for general duty. NN carcasses offer higher flexibility and impact resistance, which suits short conveyors with heavy loading and small pulleys. We help you choose between them rather than overselling one type.
| Parameter | Specification |
|---|---|
| Carcass | EP (polyester warp / nylon weft) · NN (nylon warp / nylon weft) |
| Strength rating | EP100 – EP500 / NN100 – NN500 (full thickness N/mm) |
| Number of plies | 2 – 6 plies |
| Belt width | 300 – 2400 mm |
| Cover thickness | Top 1.5 – 12 mm / Bottom 1.5 – 6 mm |
| Cover grades | Y, X, W, Z (DIN 22102) · RMA Grade I & II · AS 1332 A, N, M |
| Elongation | EP approx. 1.5 – 4% / NN approx. 2.5 – 4.5% |
| Adhesion | Ply-to-ply ≥ 4.5 N/mm / Cover-to-ply ≥ 3.5 N/mm |
| Standards | DIN 22102 · GB/T 7984 · RMA · AS 1332 · JIS K 6322 · BS 490 |
Typical manufacturing range. Values can be adjusted to your drawing — confirm final specification with our engineers before ordering.
The right choice where centre distance and tension do not justify steel cord.
NN carcasses handle tight pulleys and heavy impact loading.
From light duty to heavy abrasion, with oil and fire resistant options.
Common specifications held in regular production for shorter lead times.




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