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UsFlex® Conveyor Belt

Unique straight warp construction Ply belt developed by Fenner Conveyors to deliver exceptional rip resistance and capacity to absorb extreme impact, with less stretch than traditional Ply belts.

Impact resistance up to three times greater

UsFlex® belting has longitudinal rip resistance more than three times that of multiple-ply belts of equivalent rating due to our unique straight-warp construction. The straight laid yarns result in virtually no crimp. This results in a belt carcass with very low stretch compared to other fabric belts, making it suitable to replace steel cord belt in some situations.

Market Applications


Crushed Stone

Hard Rock

Heavy Metals

Sand & Gravel




Why choose UsFlex®?

UsFlex® uses heavy-weight straight yarns in parallel planes – lengthwise and crosswise – locked together with a unique binder to concentrate belt strength. Our unique binder to weft combination is a built-in breaker to resist impacts and punctures.

The best carcass available for impact and tear situations

UsFlex® is our straight warp weave fabric belt carcass, engineered to provide incredibly high impact resistance, as well as industry leading resistance to rip and tear. Flexibility is gained through yarn twist and this delivers outstanding troughing ability and permits the use of smaller pulley diameters.

The low stretch properties of UsFlex® make it an alternative to Steel Cord belts in many applications, combining the strength of a Steel Cord belt with the toughness of a Ply belt.

UsFlex® has resulted in significant reductions in downtime and improvements in belt life in mining applications, solving for cord failure through impact or high edge tensions, or where rip resistance beyond traditional Breaker Fabric is required.


UsFlex Brochure

Brochure: UsFlex Conveyor Belting

CaseStudy UsFlex IronOre

Case Study: UsFlex on Hard Rock Front-End Conveyor

CaseStudy UsFlex IronOre FeederConveyors

Case Study: UsFlex on Hard Rock Feeder Conveyor

CaseStudy UsFlex Coal

Case Study: UsFlex on Soft Rock ROM Conveyor