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The pre-tensioned cord of the Optibelt RED POWER 3 belts is based on a special polyester cord. Thanks to the special processing of the Optibelt RED POWER 3 cord, these belts have very little stretch and are maintenance-free , so re-tightening is not necessary. The mixture of transverse fibers above and below the cord guarantee a high dynamic load capacity of the belt and ensure great flexibility. The cover fabric is highly flexible and resistant to abrasion.
V-belts Optibelt RED POWER 3 profiles SPZ, SPA, SPB and SPC comply with DIN 7753 and ISO 4184 standards.
Optibelt RED POWER 3 v-belts of the SPA profile according to DIN 7753 have the dimensions of the wedge: width of the upper surface of the belt 12.7 mm x height of the belt 10 mm.
Electrically conductive according to ISO 1813.