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Description of the process

In the knitting process, machine direction and cross direction yarns are stitched together using a third yarn, creating a strong, dimensionally stable mechanical bond.

Knit goods are planar or tubular structures made by the inter-looping of loops of yarns connected by a knitting system in the length direction (warp knitting) or width direction (weft knitting).

The warp-knitting machine is fed with section beams and each end passes through a needle. Knitting elements form loops and bind the warp yarns together.

For production of knit scrim, a feeder device inserts crosswise glass weft yarn. Additional synthetic warp yarns, pulled from a beam, combine the warp and weft glass yarns together to shape the desired structure.

The weft-knitting machine is fed directly by a determined number of yarns. The loop forming device uses latch needles to create products with high flexibility.

Glass yarns can also be processed on conventional weft knitting machines. In this case, due to high bending strains, the use of plied yarns and fine filaments is required.

Major Applications include

Vetrotex yarns can be used on a warp knitting machine to produce knit scrim for self-adhesive joint tape, as well as elastic casting tape for plaster reinforcement in medical applications.

  • Asphalt reinforcement
  • Concrete reinforcement
  • Modified bitumen roofing
  • Drywall tape
  • Elasting casting tape for plaster reinforcement