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| The product is a kind of electrical insulating varnish sleeve formed
by coating alkyd-free glass fiber sleeve with modified PVC resin.
It is characterized with outstanding features of excellent flexibility,
elasticity, dielectric properties and chemical resistance. It is suitable
for wiring insulation and machine protection in electric machines,
electrical appliances, instruments, radios and other electric devices.
Length: 1000 mm (Continuous length can be negotiated between buyer
and seller.)
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General Requirement (Type II
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| Inside Diameter |
Wall Thicness |
| Normal Size |
Tolerance |
Min |
Max |
| 0.5,0.8 |
±0.10 |
0.20 |
0.50 |
| 1,1.5,2,2.5,3 |
±0.15 |
0.20 |
0.75 |
| 3.5,4,5,6,7,8 |
±0.25 |
0.20 |
0.50 |
| 9,10,12,14,16,18,20 |
±0.50 |
0.40 |
0.90 |
| Performance |
Specification |
| Heat Resistance |
suitable to the said products of nominal inside diameter
below 5mm |
| Flexibility after heat treament |
No flaking on PVC resin coating,test temperature -130
Centigrade,96hrs |
| Flexibility in low temperature |
No flaking on PVC resin coating,test temperature -25
Centigrade |
| Combustibility<=,method A |
60seconds,In addition,specimen do not burn,and no Flaming
or burning particles to ignite the cotton |
| Breakdown voltage,upright core rod,-25mm electric pole(type
II) |
Room-temperature |
High temp 130 C ,1hr |
Moisture-heat treatment 40 C, relative humidty 91-95%,96hrs
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| Mid-value(kv) |
4.0 |
1.6 |
1.2 |
| Min-value(kv) |
2.5 |
1.2 |
0.8 |
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