Basalt fiber roving is the first-getting product during the whole production process. It is the basic raw material too to produce other composite products. ■ Compatibility with various resins. ■ Direct roving, assembled roving, twisted yarn and sewing thread are provided. ■ Packing is suitable for internal unwinding and external unwinding. ■ Specification: 9um-22um. ■ High tensile strength than E-glass and much cheaper than carbon fiber. ■ Resistant to variety and complex chemical environment. ■ Absolutely zero corrosion. ■ Outstanding temperature resistant with keeping constant performance from -200 - 700℃. ■ Anti-static, low moisture absorption.