Yarns

Basalt Twisted Yarns

We are offering a broad range of yarns and twisted yarns. Our products can be designed for different resin systems including epoxy, vinyl ester and polyester. Please contact us to check the actually availability.

The twisting process

The primary cakes are rewound by means of special equipment using a certain predetermined twist direction and number of twists per meter. Yarns twisted in one direction are called single yarns, and those twisted to the right and left are called S-twist yarn and Z-twist yarn respectively.
Several single yarns twisted together are called plied or balanced yarns. Single and plied yarns are used selectively according to purpose.

Processing and applications

Basalt twisted yarns are mainly recommended for further textile processing into different types of fabrics, tapes, ropes, sleeves, geotexttile, etc.

Core Yarns

The basalt core yarn is a centric core filament as construction of basalt roving or basalt yarn encased by the staple fibers such as aramid, polyamide, polypropylene or other fibers. It is also possible to use two or more core filaments e.g. metal, aramids, PA, PES, PP. Various staple fiber qualities can be blended or used for a layered yarn construction. Applications of core yarns are e.g. production of woven fabrics, knitted goods.

Basalt Core Yarns for Composites Applications

Yarn Properties

  • Core / shell structure with a central position of the reinforcing basalt yarn or roving
  • Reinforcing filament untwisted e.g. basalt direct roving for best strength utilization
  • High strength and low elongation
  • Definable fiber-matrix fraction
  • Protection of the reinforcing fibers through the staple fibers
  • Lowered melting point
  • Various colors of surface possible
  • Skin-friendly

Basalt Yarns for Heat and Flame-Resistant Textiles

Properties

  • good teperature resistance
  • High strength and elongation
  • Good care properties, skin-friendly

Yarns as Asbestos Substitutes

Properties

  • High yarn volume
  • good temperature resitance
  • High tensile strength and low elongation

Conductive Yarns for Smart Textiles

Properties

  • Good conductivity of core
  • Good insulation of surface
  • Yarn can be dyed
  • High tensile strength through glass filament

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