Nowadays, Basalt fiber is obtained increasing attention worldwide as a kind of promising reinforced fiber in composite field, which has the excellent mechanical properties, chemical resistance, comparative low cost, easily processing and abundance resource. In this paper, polyurethane dispersion (PUD) was employed as the surface treatment for the basalt fiber-woven fabric. Basalt woven fabric was washed by acetone solution following by different pick-up ratio PUD treating. Treated BFRP and virgin one were tested by tensile test with AE equipment, comparison and analysis have been carried out in order to discuss the change of mechanical property by changing the PUD treatment’s pick-up ratio and improved mechanical and thermal properties compared with virgin one.

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