Double-layer FIBREGLASS of silicon rubber tubing ----FIBREGLASS inside and silicon rubber outside, h

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Double-layer FIBREGLASS of silicon rubber tubing ----FIBREGLASS inside...

Posting date : Mar 03, 2014

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MACHINERY & ELECTRICAL | Electrical

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85-

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Fiberglass (FG) sleeving is composed of a tightly braided, highly flexible, continuous filament E glass which has been heat-treated to remove starches and oils, and to "set" the braid. FG maintains about half of its strength at temperatures up to 750°C. FG is available in natural silver gray only. FG is used in high temperature, low voltage (up to 300V) applications such as toasters, coffee makers, and other small heating appliances. Its flexibility and expandability allows for use over irregular shapes. It is also used in wire harness assemblies as well as for thermal protection of insulated wires against damage from external heat sources. It is also an ideal choice for sleeving applications where varnishing or vacuum pressure impregnation is used. Saturated Fiberglass (FGS) sleeving is made in a similar fashion as the FG, except after heat treatment, it is saturated with acrylic resin formulated to provide excellent fray resistance when cut. The resin also stabilizes the fibers, which reduces operator skin irritation. Although the acrylic resin degrades at operating temperatures above 200°C, FGS continues to provide thermal and space factor insulation as high as 650°C with continuous operation at 450°C. FGS is used in high temperature, low voltage (up to 300V) applications such as toasters, coffee makers, and other small heating appliances. Its flexibility and expandability allows for use over irregular shapes. It is also used for thermal and cut-through protection in automotive wire harness assemblies as well as track, stage and other types of lighting devices