BASFLEX ndi chinthu chopangidwa ndi ulusi wambiri wopangidwa ndi ulusi wa basalt. Ulusiwo umapangidwa kuchokera ku kusungunuka kwa miyala ya basalt ndipo uli ndi modulus yolimba kwambiri, mankhwala abwino kwambiri komanso kukana kutentha/kutentha. Kuphatikiza apo, ulusi wa basalt umayamwa chinyezi chochepa kwambiri poyerekeza ndi ulusi wagalasi.
Choluka cha Basflex chili ndi mphamvu yabwino kwambiri yolimbana ndi kutentha ndi malawi. Sichiyaka moto, sichimadontha madzi, ndipo sichimatulutsa utsi wambiri kapena chimakhala ndi utsi wochepa kwambiri.
Poyerekeza ndi ma straws opangidwa ndi fiberglass, Basflex ili ndi ma tensile modulus apamwamba komanso kukana kwambiri kukhudza. Ulusi wa basalt ukalowetsedwa mu alkaline medium, umakhala ndi mphamvu zochepetsera thupi ka 10 poyerekeza ndi fiberglass.