B-Bolen is specializing in flame retardant yarn made of inherent FR fibers such as Meta aramid, Para aramid, Modacrylic, FR Viscose, Antistatic fiber and many other technical materials. They comprise essential features like fire retardant, high-temperature resistance, antistatic, high tenacity, and cut resistant.

These yarns are primarily used for protective clothing, industrial weaving, heat&cut protection, and technical applications.