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Unidirectional vs Bidirectional Carbon Fiber

The SRS-600 Unidirectional weave creates a composite that's extremely strong in the direction of the fibers, but offers little to no strength in the opposite direction. With this style of fabric, there are no gaps between fibers, and those fibers lay flat. This allows for the concentrated density of fibers that provide maximum longitudinal tensile potential—greater than any other weave of fabric.

Plain and twill weaves, on the other hand, have more uniform strength since they're strongest at the points where the fibers cross in either direction.

We selected a twill weave for our SRS-660 Bidirectional fabric due to its exceptional ability to conform to complex shapes. The fabric is braid over-over-under-under and woven tightly together. This makes the fabric stronger, thicker, and better able to maintain its strength in a variety of demanding applications.

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