Basalt fiber ± 45 ° axial distribution，Mainly used in bridge construction, fan blades, boats, cars, sports equipment and other fields
Basalt fiber roving fabric
Twistless roving is made of parallel precursor or parallel monofilament. The monofilament diameter of basalt fiber used in roving production ranges from 3 to 23 μ M varies. The number of untwisted roving ranges from 150 to 9600 (Tex). Twistless roving can be directly used in some composite forming methods, such as winding and pultrusion. Because of its uniform tension, it can also be woven into twistless coarse gauze and fabric. In some applications, twistless roving is further shortened.
One of the important uses of twistless roving is to weave checkered cloth or unidirectional twistless roving fabric of various thicknesses, which are mostly used in the forming process of hand pasted FRP. There are the following requirements for strong twistless roving: ① good wear resistance; ② Good zonality; ③ The untwisted roving for weaving needs to be forced dried before weaving; ④ The tension of untwisted roving shall be uniform, and the sag shall meet certain standards; ⑤ Untwisted roving has good unwinding property; ⑥ Twistless roving has good permeability.
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