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aint-Gobain
Vetrotex yarns can be braided to produce tubular structures for various
applications:
- because of the mechanical, thermal and electrical insulation
characteristics of glass products as well as the flexibility of the
braid structure, protection of wiring under the hood of cars
- electrical insulation of wiring for domestic appliances, aeronautics,
- sleeving, braid, rope used for thermal insulation as non asbestos
heat resistant sealing gasket, expansion gasket, flame barrier...

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A circular braiding machine is composed of two rotating sets
of bobbins on which glass filament yarns have been wound. One set
runs clockwise, the other one counter clockwise around the center
of the machine along a defined path. The bobbins of the two sets pass
alternatively outside and inside according the path that allows the
formation of the tubular braid structure. Its width is given by the
take up speed of the braiding machine. In some application, the tubular
sleeve can be braided on a core because the braiding structure can
easily conform on any complex shape, the resulting product is called
rope.
As the rubbing forces are high during braiding, plied yarns are often
used to avoid break and fuzz accumulation.
Additionally, braids can be coated, impregnated, partially or fully
heat cleaned to impart the characteristics requested by the end uses.
The end product is often called sleeving.
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The Saint-Gobain Vetrotex single
and plied
yarns can be used
for the production of braided structures.
The recommended size or linear density of the product depend
on the final end use.
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