Fiberglass sleeving coated with Polyurethane is manufactured with E-fiberglass braided sleeving and coated with a layer of polyurethane and then thermoset to form F grade insulating sleeving.It possesses reliable heat resistance,good qualities of dielectric,fair softness and elasticity.It can be used for wiring insulation and mechanic protection for F grade electrical machinery,electrical appliances,electrical instruments,wireless sets and domestic electrical appliances.
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| Specifications︰ |
1
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Bore Diameter |
Wall Thickness |
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Nominal |
Tolerance |
Minimum |
maximum |
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1.0，1.5 |
±0.15 |
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0.75 |
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2.0，2.5 |
±0.20 |
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3 |
±0.25 |
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4.0，5.0，6.0 |
±0.25 |
0.30 |
0.75 |
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7.0，8.0，9.0，10 |
±0.50 |
0.30 |
0.75 |
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| Advantages︰ |
1
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Property |
Requirements |
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Resistance to soldering heat |
Pass(only for sleeving having nominal inner diameter up to and including
5mm) |
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Bending after heating |
No cracking or detachment of coating shall be visible after bending
around mandrels after 48±1h at 180degree |
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Bending at low temperature |
No cracking or detachment of coating shall be visible after bending
around mandrels while at -15degree |
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Breakdown voltage(KV)Straightmandrel with 25mm electrode |
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Room temp |
Elevated temp |
Damp heat |
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Central value |
≥4.0 |
≥1.6 |
≥1.2 |
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Lowest individual value
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≥2.5 |
≥1.0 |
≥0.8 |
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Insulation resistance |
103 |
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Temperature index(degree) |
155 |
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