Original
By certification 
Glass fiber tube
FOB price: best price or negotiate
MOQ: 1000 kilogram
Port: Shanghai
Payment term: L/C, T/T
Packing: as customer’s require
Delivery detail: 1 month
Sample: available
Supply ability: 300 ton/month
1, Description
This product is the roll pressing product which is made of non alkali glass fiber as the base material, using epoxy phenolic resin as adhesive, formed by roll pressing. It has high mechanical strength and high electrical performance stability under humidity. It is suitable for mechanical, electrical and electronic products.
2, Properties
Item |
Test Method |
Unit |
Value |
||
Density |
GB/T5132 |
g/cm 3 |
≥1.40 |
||
Bending Strength |
Q/JBQP50 |
MPa |
≥176 |
||
Compressive Strength |
GB/T5132 |
MPa |
≥69 |
||
Shear Strength |
JB/T8150 |
MPa |
≥14.7 |
||
|
Volume resistance |
After immersion |
GB/T1410 |
Ω·m |
≥1.0×1010 |
|
Normal |
≥1.0×108 |
||||
Parallel layer insulation resistance |
After immersion |
GB10064 |
Ω |
≥1.0×1010 |
|
Normal |
≥1.0×108 |
||||
|
Dielectric loss tangent, 50Hz |
GB/T5132 |
--- |
≤0.030 |
||
Vertical voltage resistance |
GB/T5132 |
kV |
6～25mm |
≥26mm |
|
1.5mm |
7 |
12 |
|||
2.0mm |
10 |
14 |
|||
2.5mm |
13 |
16 |
|||
3.0mm |
15 |
18 |
|||
Parallel voltage resistance in (90+2) ℃ transformer oil for 5 min |
GB/T5132 |
kV |
25 |
||
Surface resistance voltage in normal air pressure after 24h damp condition |
GB/T5132 |
kV |
12 |
||
